From c978ae6785bd9c18cecdff486fabaec405c7835f Mon Sep 17 00:00:00 2001 From: Mikhail Pershin Date: Fri, 26 Jul 2013 15:29:22 +0400 Subject: [PATCH] LU-3467 ofd: use unified handler for OST requests Switch OST/OFD request processing to the unified request handle. Signed-off-by: Mikhail Pershin Change-Id: I27a2f8c2345b1aad3d714eab1e138d0c9d2ec258 Reviewed-on: http://review.whamcloud.com/7130 Tested-by: Jenkins Tested-by: Maloo Reviewed-by: Andreas Dilger Reviewed-by: Alex Zhuravlev --- lustre/include/linux/obd_class.h | 2 +- lustre/include/lu_target.h | 56 +- lustre/include/lustre_req_layout.h | 2 +- lustre/include/obd_support.h | 1 + lustre/ldlm/ldlm_lib.c | 11 +- lustre/mdt/mdt_handler.c | 42 +- lustre/mdt/mdt_lproc.c | 2 + lustre/obdclass/genops.c | 8 +- lustre/obdclass/linux/linux-obdo.c | 2 +- lustre/obdecho/echo_client.c | 28 +- lustre/ofd/lproc_ofd.c | 34 +- lustre/ofd/ofd_dev.c | 1029 ++++++++++++++++- lustre/ofd/ofd_internal.h | 106 +- lustre/ofd/ofd_io.c | 70 +- lustre/ofd/ofd_obd.c | 58 +- lustre/ofd/ofd_trans.c | 152 +-- lustre/osp/osp_precreate.c | 12 +- lustre/ost/ost_handler.c | 2219 ++---------------------------------- lustre/ost/ost_internal.h | 25 - lustre/ptlrpc/layout.c | 16 +- lustre/target/tgt_handler.c | 926 ++++++++++++++- lustre/target/tgt_internal.h | 6 + lustre/target/tgt_lastrcvd.c | 50 +- lustre/target/tgt_main.c | 17 + 24 files changed, 2378 insertions(+), 2496 deletions(-) diff --git a/lustre/include/linux/obd_class.h b/lustre/include/linux/obd_class.h index ecdd66d..2d2abbd 100644 --- a/lustre/include/linux/obd_class.h +++ b/lustre/include/linux/obd_class.h @@ -55,7 +55,7 @@ /* obdo.c */ #ifdef __KERNEL__ void obdo_from_la(struct obdo *dst, struct lu_attr *la, __u64 valid); -void la_from_obdo(struct lu_attr *la, struct obdo *dst, obd_flag valid); +void la_from_obdo(struct lu_attr *la, const struct obdo *dst, obd_flag valid); void obdo_refresh_inode(struct inode *dst, struct obdo *src, obd_flag valid); void obdo_to_inode(struct inode *dst, struct obdo *src, obd_flag valid); #define ll_inode_flags(inode) (inode->i_flags) diff --git a/lustre/include/lu_target.h b/lustre/include/lu_target.h index aa2c142..6755af8 100644 --- a/lustre/include/lu_target.h +++ b/lustre/include/lu_target.h @@ -55,8 +55,12 @@ struct lu_target { rwlock_t lut_sptlrpc_lock; struct sptlrpc_rule_set lut_sptlrpc_rset; int lut_sec_level; + + spinlock_t lut_flags_lock; unsigned int lut_mds_capa:1, - lut_oss_capa:1; + lut_oss_capa:1, + lut_syncjournal:1, + lut_sync_lock_cancel:2; /* LAST_RCVD parameters */ /** last_rcvd file */ @@ -96,15 +100,20 @@ struct tgt_session_info { struct lu_target *tsi_tgt; const struct mdt_body *tsi_mdt_body; + struct ost_body *tsi_ost_body; struct lu_object *tsi_corpus; + struct lu_fid tsi_fid; + struct ldlm_res_id tsi_resid; /* * Additional fail id that can be set by handler. */ int tsi_reply_fail_id; int tsi_request_fail_id; - __u32 tsi_has_trans:1; /* has txn already? */ + int tsi_has_trans:1; /* has txn already? */ + /* request JobID */ + char *tsi_jobid; }; static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env) @@ -163,6 +172,8 @@ struct tgt_handler { int th_version; /* Handler function */ int (*th_act)(struct tgt_session_info *tti); + /* Handler function for high priority requests */ + int (*th_hp)(struct tgt_session_info *tti); /* Request format for this request */ const struct req_format *th_fmt; }; @@ -196,6 +207,7 @@ char *tgt_name(struct lu_target *tgt); void tgt_counter_incr(struct obd_export *exp, int opcode); int tgt_connect_check_sptlrpc(struct ptlrpc_request *req, struct obd_export *exp); +int tgt_adapt_sptlrpc_conf(struct lu_target *tgt, int initial); int tgt_connect(struct tgt_session_info *tsi); int tgt_disconnect(struct tgt_session_info *uti); int tgt_obd_ping(struct tgt_session_info *tsi); @@ -213,6 +225,25 @@ int tgt_sec_ctx_init(struct tgt_session_info *tsi); int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi); int tgt_sec_ctx_fini(struct tgt_session_info *tsi); int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob); +int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa); +int tgt_sync(const struct lu_env *env, struct lu_target *tgt, + struct dt_object *obj); + +int tgt_io_thread_init(struct ptlrpc_thread *thread); +void tgt_io_thread_done(struct ptlrpc_thread *thread); + +int tgt_extent_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id, + __u64 start, __u64 end, struct lustre_handle *lh, + int mode, __u64 *flags); +void tgt_extent_unlock(struct lustre_handle *lh, ldlm_mode_t mode); +int tgt_brw_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id, + struct obd_ioobj *obj, struct niobuf_remote *nb, + struct lustre_handle *lh, int mode); +void tgt_brw_unlock(struct obd_ioobj *obj, struct niobuf_remote *niob, + struct lustre_handle *lh, int mode); +int tgt_brw_read(struct tgt_session_info *tsi); +int tgt_brw_write(struct tgt_session_info *tsi); +int tgt_hpreq_handler(struct ptlrpc_request *req); extern struct tgt_handler tgt_sec_ctx_handlers[]; extern struct tgt_handler tgt_obd_handlers[]; @@ -258,6 +289,10 @@ int tgt_truncate_last_rcvd(const struct lu_env *env, struct lu_target *tg, int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt, struct dt_object *obj, __u64 opdata, struct thandle *th, struct ptlrpc_request *req); +int tgt_last_rcvd_update_echo(const struct lu_env *env, struct lu_target *tgt, + struct dt_object *obj, struct thandle *th, + struct obd_export *exp); + enum { ESERIOUS = 0x0001000 }; @@ -280,6 +315,18 @@ static inline int is_serious(int rc) return (rc < 0 && -rc & ESERIOUS); } +/** + * Do not return server-side uid/gid to remote client + */ +static inline void tgt_drop_id(struct obd_export *exp, struct obdo *oa) +{ + if (unlikely(exp_connect_rmtclient(exp))) { + oa->o_uid = -1; + oa->o_gid = -1; + oa->o_valid &= ~(OBD_MD_FLUID | OBD_MD_FLGID); + } +} + /* * Unified target generic handers macros and generic functions. */ @@ -303,6 +350,11 @@ static inline int is_serious(int rc) TGT_RPC_HANDLER(MDS_FIRST_OPC, flags, name, fn, NULL, \ LUSTRE_MDS_VERSION) +/* MDT Request with a format known in advance */ +#define TGT_OST_HDL(flags, name, fn) \ + TGT_RPC_HANDLER(OST_FIRST_OPC, flags, name, fn, &RQF_ ## name, \ + LUSTRE_OST_VERSION) + /* MGS request with a format known in advance */ #define TGT_MGS_HDL(flags, name, fn) \ TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, &RQF_ ## name, \ diff --git a/lustre/include/lustre_req_layout.h b/lustre/include/lustre_req_layout.h index 3354618..c64bb8a 100644 --- a/lustre/include/lustre_req_layout.h +++ b/lustre/include/lustre_req_layout.h @@ -213,7 +213,7 @@ extern struct req_format RQF_OST_BRW_READ; extern struct req_format RQF_OST_BRW_WRITE; extern struct req_format RQF_OST_STATFS; extern struct req_format RQF_OST_SET_GRANT_INFO; -extern struct req_format RQF_OST_GET_INFO_GENERIC; +extern struct req_format RQF_OST_GET_INFO; extern struct req_format RQF_OST_GET_INFO_LAST_ID; extern struct req_format RQF_OST_GET_INFO_LAST_FID; extern struct req_format RQF_OST_SET_INFO_LAST_FID; diff --git a/lustre/include/obd_support.h b/lustre/include/obd_support.h index f1beff0..92c1a47 100644 --- a/lustre/include/obd_support.h +++ b/lustre/include/obd_support.h @@ -312,6 +312,7 @@ int obd_alloc_fail(const void *ptr, const char *name, const char *type, #define OBD_FAIL_OST_ENOINO 0x229 #define OBD_FAIL_OST_DQACQ_NET 0x230 #define OBD_FAIL_OST_STATFS_EINPROGRESS 0x231 +#define OBD_FAIL_OST_SET_INFO_NET 0x232 #define OBD_FAIL_LDLM 0x300 #define OBD_FAIL_LDLM_NAMESPACE_NEW 0x301 diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c index 4e042bb..facc975 100644 --- a/lustre/ldlm/ldlm_lib.c +++ b/lustre/ldlm/ldlm_lib.c @@ -1996,8 +1996,8 @@ static int target_recovery_thread(void *arg) thread->t_env = env; thread->t_id = -1; /* force filter_iobuf_get/put to use local buffers */ env->le_ctx.lc_thread = thread; - thread->t_data = NULL; - thread->t_watchdog = NULL; + tgt_io_thread_init(thread); /* init thread_big_cache for IO requests */ + thread->t_watchdog = NULL; CDEBUG(D_HA, "%s: started recovery thread pid %d\n", obd->obd_name, current_pid()); @@ -2092,9 +2092,10 @@ static int target_recovery_thread(void *arg) trd->trd_processing_task = 0; complete(&trd->trd_finishing); - OBD_FREE_PTR(thread); - OBD_FREE_PTR(env); - RETURN(rc); + tgt_io_thread_done(thread); + OBD_FREE_PTR(thread); + OBD_FREE_PTR(env); + RETURN(rc); } static int target_start_recovery_thread(struct lu_target *lut, diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c index 3f89faf..971e728 100644 --- a/lustre/mdt/mdt_handler.c +++ b/lustre/mdt/mdt_handler.c @@ -4108,30 +4108,6 @@ static void mdt_fini(const struct lu_env *env, struct mdt_device *m) EXIT; } -static int mdt_adapt_sptlrpc_conf(struct obd_device *obd, int initial) -{ - struct mdt_device *m = mdt_dev(obd->obd_lu_dev); - struct sptlrpc_rule_set tmp_rset; - int rc; - - sptlrpc_rule_set_init(&tmp_rset); - rc = sptlrpc_conf_target_get_rules(obd, &tmp_rset, initial); - if (rc) { - CERROR("mdt %s: failed get sptlrpc rules: %d\n", - mdt_obd_name(m), rc); - return rc; - } - - sptlrpc_target_update_exp_flavor(obd, &tmp_rset); - - write_lock(&m->mdt_lut.lut_sptlrpc_lock); - sptlrpc_rule_set_free(&m->mdt_lut.lut_sptlrpc_rset); - m->mdt_lut.lut_sptlrpc_rset = tmp_rset; - write_unlock(&m->mdt_lut.lut_sptlrpc_lock); - - return 0; -} - int mdt_postrecov(const struct lu_env *, struct mdt_device *); static int mdt_init0(const struct lu_env *env, struct mdt_device *m, @@ -4292,7 +4268,7 @@ static int mdt_init0(const struct lu_env *env, struct mdt_device *m, if (rc) GOTO(err_tgt, rc); - mdt_adapt_sptlrpc_conf(obd, 1); + tgt_adapt_sptlrpc_conf(&m->mdt_lut, 1); next = m->mdt_child; rc = next->md_ops->mdo_iocontrol(env, next, OBD_IOC_GET_MNTOPT, 0, @@ -4628,18 +4604,16 @@ static int mdt_obd_set_info_async(const struct lu_env *env, __u32 vallen, void *val, struct ptlrpc_request_set *set) { - struct obd_device *obd = exp->exp_obd; - int rc; - ENTRY; + int rc; - LASSERT(obd); + ENTRY; - if (KEY_IS(KEY_SPTLRPC_CONF)) { - rc = mdt_adapt_sptlrpc_conf(obd, 0); - RETURN(rc); - } + if (KEY_IS(KEY_SPTLRPC_CONF)) { + rc = tgt_adapt_sptlrpc_conf(class_exp2tgt(exp), 0); + RETURN(rc); + } - RETURN(0); + RETURN(0); } /** diff --git a/lustre/mdt/mdt_lproc.c b/lustre/mdt/mdt_lproc.c index 010caf4..4abb532 100644 --- a/lustre/mdt/mdt_lproc.c +++ b/lustre/mdt/mdt_lproc.c @@ -508,8 +508,10 @@ static int lprocfs_wr_capa(struct file *file, const char *buffer, return -EINVAL; } + spin_lock(&mdt->mdt_lut.lut_flags_lock); mdt->mdt_lut.lut_oss_capa = !!(val & 0x1); mdt->mdt_lut.lut_mds_capa = !!(val & 0x2); + spin_unlock(&mdt->mdt_lut.lut_flags_lock); mdt->mdt_capa_conf = 1; LCONSOLE_INFO("MDS %s %s MDS fid capability.\n", mdt_obd_name(mdt), diff --git a/lustre/obdclass/genops.c b/lustre/obdclass/genops.c index e9f95c0..2f0b54b 100644 --- a/lustre/obdclass/genops.c +++ b/lustre/obdclass/genops.c @@ -1236,14 +1236,14 @@ EXPORT_SYMBOL(class_disconnect); /* Return non-zero for a fully connected export */ int class_connected_export(struct obd_export *exp) { + int connected = 0; + if (exp) { - int connected; spin_lock(&exp->exp_lock); - connected = (exp->exp_conn_cnt > 0); + connected = (exp->exp_conn_cnt > 0) && !exp->exp_failed; spin_unlock(&exp->exp_lock); - return connected; } - return 0; + return connected; } EXPORT_SYMBOL(class_connected_export); diff --git a/lustre/obdclass/linux/linux-obdo.c b/lustre/obdclass/linux/linux-obdo.c index b393323..386e73f 100644 --- a/lustre/obdclass/linux/linux-obdo.c +++ b/lustre/obdclass/linux/linux-obdo.c @@ -102,7 +102,7 @@ void obdo_from_la(struct obdo *dst, struct lu_attr *la, __u64 valid) EXPORT_SYMBOL(obdo_from_la); /*FIXME: Just copy from obdo_from_inode*/ -void la_from_obdo(struct lu_attr *dst, struct obdo *obdo, obd_flag valid) +void la_from_obdo(struct lu_attr *dst, const struct obdo *obdo, obd_flag valid) { __u64 newvalid = 0; diff --git a/lustre/obdecho/echo_client.c b/lustre/obdecho/echo_client.c index ff5341f..b15b123 100644 --- a/lustre/obdecho/echo_client.c +++ b/lustre/obdecho/echo_client.c @@ -2782,6 +2782,9 @@ static int echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len, void *karg, void *uarg) { +#ifdef HAVE_SERVER_SUPPORT + struct tgt_session_info *tsi; +#endif struct obd_device *obd = exp->exp_obd; struct echo_device *ed = obd2echo_dev(obd); struct echo_client_obd *ec = ed->ed_ec; @@ -2795,6 +2798,9 @@ echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len, int rw = OBD_BRW_READ; int rc = 0; int i; +#ifdef HAVE_SERVER_SUPPORT + struct lu_context echo_session; +#endif ENTRY; memset(&dummy_oti, 0, sizeof(dummy_oti)); @@ -2814,10 +2820,20 @@ echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len, if (env == NULL) RETURN(-ENOMEM); - rc = lu_env_init(env, LCT_DT_THREAD | LCT_MD_THREAD); - if (rc) - GOTO(out, rc = -ENOMEM); + rc = lu_env_init(env, LCT_DT_THREAD); + if (rc) + GOTO(out_alloc, rc = -ENOMEM); +#ifdef HAVE_SERVER_SUPPORT + env->le_ses = &echo_session; + rc = lu_context_init(env->le_ses, LCT_SERVER_SESSION | LCT_NOREF); + if (unlikely(rc < 0)) + GOTO(out_env, rc); + lu_context_enter(env->le_ses); + + tsi = tgt_ses_info(env); + tsi->tsi_exp = ec->ec_exp; +#endif switch (cmd) { case OBD_IOC_CREATE: /* may create echo object */ if (!cfs_capable(CFS_CAP_SYS_ADMIN)) @@ -2989,7 +3005,13 @@ echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len, EXIT; out: +#ifdef HAVE_SERVER_SUPPORT + lu_context_exit(env->le_ses); + lu_context_fini(env->le_ses); +out_env: +#endif lu_env_fini(env); +out_alloc: OBD_FREE_PTR(env); /* XXX this should be in a helper also called by target_send_reply */ diff --git a/lustre/ofd/lproc_ofd.c b/lustre/ofd/lproc_ofd.c index e11a81b..88e54cb 100644 --- a/lustre/ofd/lproc_ofd.c +++ b/lustre/ofd/lproc_ofd.c @@ -396,11 +396,11 @@ int lprocfs_ofd_rd_sync_lock_cancel(char *page, char **start, off_t off, int count, int *eof, void *data) { struct obd_device *obd = data; - struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev); + struct lu_target *tgt = obd->u.obt.obt_lut; int rc; rc = snprintf(page, count, "%s\n", - sync_on_cancel_states[ofd->ofd_sync_lock_cancel]); + sync_on_cancel_states[tgt->lut_sync_lock_cancel]); return rc; } @@ -408,7 +408,7 @@ int lprocfs_ofd_wr_sync_lock_cancel(struct file *file, const char *buffer, unsigned long count, void *data) { struct obd_device *obd = data; - struct ofd_device *ofd = ofd_dev(obd->obd_lu_dev); + struct lu_target *tgt = obd->u.obt.obt_lut; int val = -1; int i; @@ -430,9 +430,9 @@ int lprocfs_ofd_wr_sync_lock_cancel(struct file *file, const char *buffer, if (val < 0 || val > 2) return -EINVAL; - spin_lock(&ofd->ofd_flags_lock); - ofd->ofd_sync_lock_cancel = val; - spin_unlock(&ofd->ofd_flags_lock); + spin_lock(&tgt->lut_flags_lock); + tgt->lut_sync_lock_cancel = val; + spin_unlock(&tgt->lut_flags_lock); return count; } @@ -532,16 +532,32 @@ void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars) void ofd_stats_counter_init(struct lprocfs_stats *stats) { - LASSERT(stats && stats->ls_num == LPROC_OFD_STATS_LAST); + LASSERT(stats && stats->ls_num >= LPROC_OFD_STATS_LAST); + lprocfs_counter_init(stats, LPROC_OFD_STATS_READ, - LPROCFS_CNTR_AVGMINMAX, "read", "bytes"); + LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes"); lprocfs_counter_init(stats, LPROC_OFD_STATS_WRITE, - LPROCFS_CNTR_AVGMINMAX, "write", "bytes"); + LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_GETATTR, + 0, "getattr", "reqs"); lprocfs_counter_init(stats, LPROC_OFD_STATS_SETATTR, 0, "setattr", "reqs"); lprocfs_counter_init(stats, LPROC_OFD_STATS_PUNCH, 0, "punch", "reqs"); lprocfs_counter_init(stats, LPROC_OFD_STATS_SYNC, 0, "sync", "reqs"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_DESTROY, + 0, "destroy", "reqs"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_CREATE, + 0, "create", "reqs"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_STATFS, + 0, "statfs", "reqs"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_GET_INFO, + 0, "get_info", "reqs"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_SET_INFO, + 0, "set_info", "reqs"); + lprocfs_counter_init(stats, LPROC_OFD_STATS_QUOTACTL, + 0, "quotactl", "reqs"); } + #endif /* LPROCFS */ diff --git a/lustre/ofd/ofd_dev.c b/lustre/ofd/ofd_dev.c index b7d5348..0079ecc 100644 --- a/lustre/ofd/ofd_dev.c +++ b/lustre/ofd/ofd_dev.c @@ -46,6 +46,9 @@ #include #include #include +#include +#include +#include #include "ofd_internal.h" @@ -154,7 +157,6 @@ static void ofd_stack_fini(const struct lu_env *env, struct ofd_device *m, ENTRY; lu_site_purge(env, top->ld_site, ~0); - /* process cleanup, pass mdt obd name to get obd umount flags */ lustre_cfg_bufs_reset(&bufs, obd->obd_name); if (obd->obd_force) @@ -173,6 +175,10 @@ static void ofd_stack_fini(const struct lu_env *env, struct ofd_device *m, lustre_cfg_free(lcfg); lu_site_purge(env, top->ld_site, ~0); + if (!cfs_hash_is_empty(top->ld_site->ls_obj_hash)) { + LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL); + lu_site_print(env, top->ld_site, &msgdata, lu_cdebug_printer); + } LASSERT(m->ofd_osd_exp); obd_disconnect(m->ofd_osd_exp); @@ -376,7 +382,7 @@ static int ofd_prepare(const struct lu_env *env, struct lu_device *pdev, rc = 0; } - target_recovery_init(&ofd->ofd_lut, ost_handle); + target_recovery_init(&ofd->ofd_lut, tgt_request_handle); LASSERT(obd->obd_no_conn); spin_lock(&obd->obd_dev_lock); obd->obd_no_conn = 0; @@ -435,19 +441,13 @@ static int ofd_procfs_init(struct ofd_device *ofd) RETURN(rc); } - rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_LAST); + rc = lprocfs_alloc_obd_stats(obd, LPROC_OFD_STATS_LAST); if (rc) { CERROR("%s: lprocfs_alloc_obd_stats failed: %d.\n", obd->obd_name, rc); GOTO(obd_cleanup, rc); } - /* Init OFD private stats here */ - lprocfs_counter_init(obd->obd_stats, LPROC_OFD_READ_BYTES, - LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes"); - lprocfs_counter_init(obd->obd_stats, LPROC_OFD_WRITE_BYTES, - LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes"); - obd->obd_uses_nid_stats = 1; entry = lprocfs_register("exports", obd->obd_proc_entry, NULL, NULL); @@ -469,6 +469,8 @@ static int ofd_procfs_init(struct ofd_device *ofd) GOTO(obd_cleanup, rc); } + ofd_stats_counter_init(obd->obd_stats); + rc = lprocfs_job_stats_init(obd, LPROC_OFD_STATS_LAST, ofd_stats_counter_init); if (rc) @@ -612,11 +614,1014 @@ out_free: return rc; } +int ofd_set_info_hdl(struct tgt_session_info *tsi) +{ + struct ptlrpc_request *req = tgt_ses_req(tsi); + struct ost_body *body = NULL, *repbody; + void *key, *val = NULL; + int keylen, vallen, rc = 0; + bool is_grant_shrink; + struct ofd_device *ofd = ofd_exp(tsi->tsi_exp); + + ENTRY; + + key = req_capsule_client_get(tsi->tsi_pill, &RMF_SETINFO_KEY); + if (key == NULL) { + DEBUG_REQ(D_HA, req, "no set_info key"); + RETURN(err_serious(-EFAULT)); + } + keylen = req_capsule_get_size(tsi->tsi_pill, &RMF_SETINFO_KEY, + RCL_CLIENT); + + val = req_capsule_client_get(tsi->tsi_pill, &RMF_SETINFO_VAL); + if (val == NULL) { + DEBUG_REQ(D_HA, req, "no set_info val"); + RETURN(err_serious(-EFAULT)); + } + vallen = req_capsule_get_size(tsi->tsi_pill, &RMF_SETINFO_VAL, + RCL_CLIENT); + + is_grant_shrink = KEY_IS(KEY_GRANT_SHRINK); + if (is_grant_shrink) + /* In this case the value is actually an RMF_OST_BODY, so we + * transmutate the type of this PTLRPC */ + req_capsule_extend(tsi->tsi_pill, &RQF_OST_SET_GRANT_INFO); + + rc = req_capsule_server_pack(tsi->tsi_pill); + if (rc < 0) + RETURN(rc); + + if (is_grant_shrink) { + body = req_capsule_client_get(tsi->tsi_pill, &RMF_OST_BODY); + + repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY); + *repbody = *body; + + /** handle grant shrink, similar to a read request */ + ofd_grant_prepare_read(tsi->tsi_env, tsi->tsi_exp, + &repbody->oa); + } else if (KEY_IS(KEY_EVICT_BY_NID)) { + if (vallen > 0) + obd_export_evict_by_nid(tsi->tsi_exp->exp_obd, val); + rc = 0; + } else if (KEY_IS(KEY_CAPA_KEY)) { + rc = ofd_update_capa_key(ofd, val); + } else if (KEY_IS(KEY_SPTLRPC_CONF)) { + rc = tgt_adapt_sptlrpc_conf(tsi->tsi_tgt, 0); + } else { + CERROR("%s: Unsupported key %s\n", + tgt_name(tsi->tsi_tgt), (char *)key); + rc = -EOPNOTSUPP; + } + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_SET_INFO, + tsi->tsi_jobid, 1); + + RETURN(rc); +} + +static int ofd_fiemap_get(const struct lu_env *env, struct ofd_device *ofd, + struct lu_fid *fid, struct ll_user_fiemap *fiemap) +{ + struct ofd_object *fo; + int rc; + + fo = ofd_object_find(env, ofd, fid); + if (IS_ERR(fo)) { + CERROR("%s: error finding object "DFID"\n", + ofd_name(ofd), PFID(fid)); + return PTR_ERR(fo); + } + + ofd_read_lock(env, fo); + if (ofd_object_exists(fo)) + rc = dt_fiemap_get(env, ofd_object_child(fo), fiemap); + else + rc = -ENOENT; + ofd_read_unlock(env, fo); + ofd_object_put(env, fo); + return rc; +} + +struct locked_region { + cfs_list_t list; + struct lustre_handle lh; +}; + +static int lock_region(struct ldlm_namespace *ns, struct ldlm_res_id *res_id, + unsigned long long begin, unsigned long long end, + cfs_list_t *locked) +{ + struct locked_region *region = NULL; + __u64 flags = 0; + int rc; + + LASSERT(begin <= end); + OBD_ALLOC_PTR(region); + if (region == NULL) + return -ENOMEM; + + rc = tgt_extent_lock(ns, res_id, begin, end, ®ion->lh, + LCK_PR, &flags); + if (rc != 0) + return rc; + + CDEBUG(D_OTHER, "ost lock [%llu,%llu], lh=%p\n", begin, end, + ®ion->lh); + cfs_list_add(®ion->list, locked); + + return 0; +} + +static int lock_zero_regions(struct ldlm_namespace *ns, + struct ldlm_res_id *res_id, + struct ll_user_fiemap *fiemap, + cfs_list_t *locked) +{ + __u64 begin = fiemap->fm_start; + unsigned int i; + int rc = 0; + struct ll_fiemap_extent *fiemap_start = fiemap->fm_extents; + + ENTRY; + + CDEBUG(D_OTHER, "extents count %u\n", fiemap->fm_mapped_extents); + for (i = 0; i < fiemap->fm_mapped_extents; i++) { + if (fiemap_start[i].fe_logical > begin) { + CDEBUG(D_OTHER, "ost lock [%llu,%llu]\n", + begin, fiemap_start[i].fe_logical); + rc = lock_region(ns, res_id, begin, + fiemap_start[i].fe_logical, locked); + if (rc) + RETURN(rc); + } + + begin = fiemap_start[i].fe_logical + fiemap_start[i].fe_length; + } + + if (begin < (fiemap->fm_start + fiemap->fm_length)) { + CDEBUG(D_OTHER, "ost lock [%llu,%llu]\n", + begin, fiemap->fm_start + fiemap->fm_length); + rc = lock_region(ns, res_id, begin, + fiemap->fm_start + fiemap->fm_length, locked); + } + + RETURN(rc); +} + +static void unlock_zero_regions(struct ldlm_namespace *ns, cfs_list_t *locked) +{ + struct locked_region *entry, *temp; + + cfs_list_for_each_entry_safe(entry, temp, locked, list) { + CDEBUG(D_OTHER, "ost unlock lh=%p\n", &entry->lh); + tgt_extent_unlock(&entry->lh, LCK_PR); + cfs_list_del(&entry->list); + OBD_FREE_PTR(entry); + } +} + +int ofd_get_info_hdl(struct tgt_session_info *tsi) +{ + struct obd_export *exp = tsi->tsi_exp; + struct ofd_device *ofd = ofd_exp(exp); + struct ofd_thread_info *fti = tsi2ofd_info(tsi); + void *key; + int keylen; + int replylen, rc = 0; + + ENTRY; + + /* this common part for get_info rpc */ + key = req_capsule_client_get(tsi->tsi_pill, &RMF_GETINFO_KEY); + if (key == NULL) { + DEBUG_REQ(D_HA, tgt_ses_req(tsi), "no get_info key"); + RETURN(err_serious(-EPROTO)); + } + keylen = req_capsule_get_size(tsi->tsi_pill, &RMF_GETINFO_KEY, + RCL_CLIENT); + + if (KEY_IS(KEY_LAST_ID)) { + obd_id *last_id; + struct ofd_seq *oseq; + + req_capsule_extend(tsi->tsi_pill, &RQF_OST_GET_INFO_LAST_ID); + rc = req_capsule_server_pack(tsi->tsi_pill); + if (rc) + RETURN(err_serious(rc)); + + last_id = req_capsule_server_get(tsi->tsi_pill, &RMF_OBD_ID); + + oseq = ofd_seq_load(tsi->tsi_env, ofd, + (obd_seq)exp->exp_filter_data.fed_group); + if (IS_ERR(oseq)) + rc = -EFAULT; + else + *last_id = ofd_seq_last_oid(oseq); + ofd_seq_put(tsi->tsi_env, oseq); + } else if (KEY_IS(KEY_FIEMAP)) { + struct ll_fiemap_info_key *fm_key; + struct ll_user_fiemap *fiemap; + struct lu_fid *fid = &fti->fti_fid; + + req_capsule_extend(tsi->tsi_pill, &RQF_OST_GET_INFO_FIEMAP); + + fm_key = req_capsule_client_get(tsi->tsi_pill, &RMF_FIEMAP_KEY); + rc = tgt_validate_obdo(tsi, &fm_key->oa); + if (rc) + RETURN(err_serious(rc)); + + replylen = fiemap_count_to_size(fm_key->fiemap.fm_extent_count); + req_capsule_set_size(tsi->tsi_pill, &RMF_FIEMAP_VAL, + RCL_SERVER, replylen); + + rc = req_capsule_server_pack(tsi->tsi_pill); + if (rc) + RETURN(err_serious(rc)); + + fiemap = req_capsule_server_get(tsi->tsi_pill, &RMF_FIEMAP_VAL); + if (fiemap == NULL) + RETURN(-ENOMEM); + + rc = ostid_to_fid(fid, &fm_key->oa.o_oi, 0); + if (rc != 0) + RETURN(rc); + + CDEBUG(D_INODE, "get FIEMAP of object "DFID"\n", PFID(fid)); + + *fiemap = fm_key->fiemap; + rc = ofd_fiemap_get(tsi->tsi_env, ofd, fid, fiemap); + + /* LU-3219: Lock the sparse areas to make sure dirty + * flushed back from client, then call fiemap again. */ + if (fm_key->oa.o_valid & OBD_MD_FLFLAGS && + fm_key->oa.o_flags & OBD_FL_SRVLOCK) { + cfs_list_t locked = CFS_LIST_HEAD_INIT(locked); + + ost_fid_build_resid(fid, &fti->fti_resid); + rc = lock_zero_regions(ofd->ofd_namespace, + &fti->fti_resid, fiemap, + &locked); + if (rc == 0 && !cfs_list_empty(&locked)) { + rc = ofd_fiemap_get(tsi->tsi_env, ofd, fid, + fiemap); + unlock_zero_regions(ofd->ofd_namespace, + &locked); + } + } + } else if (KEY_IS(KEY_LAST_FID)) { + struct ofd_device *ofd = ofd_exp(exp); + struct ofd_seq *oseq; + struct lu_fid *fid; + int rc; + + req_capsule_extend(tsi->tsi_pill, &RQF_OST_GET_INFO_LAST_FID); + rc = req_capsule_server_pack(tsi->tsi_pill); + if (rc) + RETURN(err_serious(rc)); + + fid = req_capsule_client_get(tsi->tsi_pill, &RMF_FID); + if (fid == NULL) + RETURN(err_serious(-EPROTO)); + + fid_le_to_cpu(&fti->fti_ostid.oi_fid, fid); + + fid = req_capsule_server_get(tsi->tsi_pill, &RMF_FID); + if (fid == NULL) + RETURN(-ENOMEM); + + oseq = ofd_seq_load(tsi->tsi_env, ofd, + ostid_seq(&fti->fti_ostid)); + if (IS_ERR(oseq)) + RETURN(PTR_ERR(oseq)); + + rc = ostid_to_fid(fid, &oseq->os_oi, + ofd->ofd_lut.lut_lsd.lsd_osd_index); + if (rc != 0) + GOTO(out_put, rc); + + CDEBUG(D_HA, "%s: LAST FID is "DFID"\n", ofd_name(ofd), + PFID(fid)); +out_put: + ofd_seq_put(tsi->tsi_env, oseq); + } else { + CERROR("%s: not supported key %s\n", tgt_name(tsi->tsi_tgt), + (char *)key); + rc = -EOPNOTSUPP; + } + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_GET_INFO, + tsi->tsi_jobid, 1); + + RETURN(rc); +} + +static int ofd_getattr_hdl(struct tgt_session_info *tsi) +{ + struct ofd_thread_info *fti = tsi2ofd_info(tsi); + struct ofd_device *ofd = ofd_exp(tsi->tsi_exp); + struct ost_body *repbody; + struct lustre_handle lh = { 0 }; + struct ofd_object *fo; + __u64 flags = 0; + ldlm_mode_t lock_mode = LCK_PR; + bool srvlock; + int rc; + + ENTRY; + + LASSERT(tsi->tsi_ost_body != NULL); + + repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY); + if (repbody == NULL) + RETURN(-ENOMEM); + + repbody->oa.o_oi = tsi->tsi_ost_body->oa.o_oi; + repbody->oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP; + + srvlock = tsi->tsi_ost_body->oa.o_valid & OBD_MD_FLFLAGS && + tsi->tsi_ost_body->oa.o_flags & OBD_FL_SRVLOCK; + + if (srvlock) { + if (unlikely(tsi->tsi_ost_body->oa.o_flags & OBD_FL_FLUSH)) + lock_mode = LCK_PW; + + rc = tgt_extent_lock(tsi->tsi_tgt->lut_obd->obd_namespace, + &tsi->tsi_resid, 0, OBD_OBJECT_EOF, &lh, + lock_mode, &flags); + if (rc != 0) + RETURN(rc); + } + + fo = ofd_object_find_exists(tsi->tsi_env, ofd, &tsi->tsi_fid); + if (IS_ERR(fo)) + GOTO(out, rc = PTR_ERR(fo)); + + rc = ofd_attr_get(tsi->tsi_env, fo, &fti->fti_attr); + if (rc == 0) { + __u64 curr_version; + + obdo_from_la(&repbody->oa, &fti->fti_attr, + OFD_VALID_FLAGS | LA_UID | LA_GID); + tgt_drop_id(tsi->tsi_exp, &repbody->oa); + + /* Store object version in reply */ + curr_version = dt_version_get(tsi->tsi_env, + ofd_object_child(fo)); + if ((__s64)curr_version != -EOPNOTSUPP) { + repbody->oa.o_valid |= OBD_MD_FLDATAVERSION; + repbody->oa.o_data_version = curr_version; + } + } + + ofd_object_put(tsi->tsi_env, fo); +out: + if (srvlock) + tgt_extent_unlock(&lh, lock_mode); + + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_GETATTR, + tsi->tsi_jobid, 1); + + repbody->oa.o_valid |= OBD_MD_FLFLAGS; + repbody->oa.o_flags = OBD_FL_FLUSH; + + RETURN(rc); +} + +static int ofd_setattr_hdl(struct tgt_session_info *tsi) +{ + struct ofd_thread_info *fti = tsi2ofd_info(tsi); + struct ofd_device *ofd = ofd_exp(tsi->tsi_exp); + struct ost_body *body = tsi->tsi_ost_body; + struct ost_body *repbody; + struct ldlm_resource *res; + struct ofd_object *fo; + struct filter_fid *ff = NULL; + int rc = 0; + + ENTRY; + + LASSERT(body != NULL); + + repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY); + if (repbody == NULL) + RETURN(-ENOMEM); + + repbody->oa.o_oi = body->oa.o_oi; + repbody->oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP; + + /* This would be very bad - accidentally truncating a file when + * changing the time or similar - bug 12203. */ + if (body->oa.o_valid & OBD_MD_FLSIZE && + body->oa.o_size != OBD_OBJECT_EOF) { + static char mdsinum[48]; + + if (body->oa.o_valid & OBD_MD_FLFID) + snprintf(mdsinum, sizeof(mdsinum) - 1, + "of parent "DFID, body->oa.o_parent_seq, + body->oa.o_parent_oid, 0); + else + mdsinum[0] = '\0'; + + CERROR("%s: setattr from %s is trying to truncate object "DFID + " %s\n", ofd_name(ofd), obd_export_nid2str(tsi->tsi_exp), + PFID(&tsi->tsi_fid), mdsinum); + RETURN(-EPERM); + } + + fo = ofd_object_find_exists(tsi->tsi_env, ofd, &tsi->tsi_fid); + if (IS_ERR(fo)) + GOTO(out, rc = PTR_ERR(fo)); + + la_from_obdo(&fti->fti_attr, &body->oa, body->oa.o_valid); + fti->fti_attr.la_valid &= ~LA_TYPE; + + if (body->oa.o_valid & OBD_MD_FLFID) { + ff = &fti->fti_mds_fid; + ofd_prepare_fidea(ff, &body->oa); + } + + /* setting objects attributes (including owner/group) */ + rc = ofd_attr_set(tsi->tsi_env, fo, &fti->fti_attr, ff); + if (rc != 0) + GOTO(out_put, rc); + + obdo_from_la(&repbody->oa, &fti->fti_attr, + OFD_VALID_FLAGS | LA_UID | LA_GID); + tgt_drop_id(tsi->tsi_exp, &repbody->oa); + + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_SETATTR, + tsi->tsi_jobid, 1); + EXIT; +out_put: + ofd_object_put(tsi->tsi_env, fo); +out: + if (rc == 0) { + /* we do not call this before to avoid lu_object_find() in + * ->lvbo_update() holding another reference on the object. + * otherwise concurrent destroy can make the object unavailable + * for 2nd lu_object_find() waiting for the first reference + * to go... deadlock! */ + res = ldlm_resource_get(ofd->ofd_namespace, NULL, + &tsi->tsi_resid, LDLM_EXTENT, 0); + if (res != NULL) { + ldlm_res_lvbo_update(res, NULL, 0); + ldlm_resource_putref(res); + } + } + return rc; +} + +static int ofd_create_hdl(struct tgt_session_info *tsi) +{ + struct ost_body *repbody; + const struct obdo *oa = &tsi->tsi_ost_body->oa; + struct obdo *rep_oa; + struct ofd_device *ofd = ofd_exp(tsi->tsi_exp); + obd_seq seq = ostid_seq(&oa->o_oi); + obd_id oid = ostid_id(&oa->o_oi); + struct ofd_seq *oseq; + int rc = 0, diff; + int sync_trans = 0; + + ENTRY; + + if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS)) + RETURN(-EROFS); + + repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY); + if (repbody == NULL) + RETURN(-ENOMEM); + + rep_oa = &repbody->oa; + rep_oa->o_oi = oa->o_oi; + + LASSERT(seq >= FID_SEQ_OST_MDT0); + LASSERT(oa->o_valid & OBD_MD_FLGROUP); + + CDEBUG(D_INFO, "ofd_create("DOSTID")\n", POSTID(&oa->o_oi)); + + oseq = ofd_seq_load(tsi->tsi_env, ofd, seq); + if (IS_ERR(oseq)) { + CERROR("%s: Can't find FID Sequence "LPX64": rc = %ld\n", + ofd_name(ofd), seq, PTR_ERR(oseq)); + RETURN(-EINVAL); + } + + if ((oa->o_valid & OBD_MD_FLFLAGS) && + (oa->o_flags & OBD_FL_RECREATE_OBJS)) { + if (!ofd_obd(ofd)->obd_recovering || + oid > ofd_seq_last_oid(oseq)) { + CERROR("%s: recreate objid "DOSTID" > last id "LPU64 + "\n", ofd_name(ofd), POSTID(&oa->o_oi), + ofd_seq_last_oid(oseq)); + GOTO(out_nolock, rc = -EINVAL); + } + /* Do nothing here, we re-create objects during recovery + * upon write replay, see ofd_preprw_write() */ + GOTO(out_nolock, rc = 0); + } + /* former ofd_handle_precreate */ + if ((oa->o_valid & OBD_MD_FLFLAGS) && + (oa->o_flags & OBD_FL_DELORPHAN)) { + /* destroy orphans */ + if (lustre_msg_get_conn_cnt(tgt_ses_req(tsi)->rq_reqmsg) < + tsi->tsi_exp->exp_conn_cnt) { + CERROR("%s: dropping old orphan cleanup request\n", + ofd_name(ofd)); + GOTO(out_nolock, rc = 0); + } + /* This causes inflight precreates to abort and drop lock */ + oseq->os_destroys_in_progress = 1; + mutex_lock(&oseq->os_create_lock); + if (!oseq->os_destroys_in_progress) { + CERROR("%s:["LPU64"] destroys_in_progress already" + " cleared\n", ofd_name(ofd), seq); + ostid_set_id(&rep_oa->o_oi, ofd_seq_last_oid(oseq)); + GOTO(out, rc = 0); + } + diff = oid - ofd_seq_last_oid(oseq); + CDEBUG(D_HA, "ofd_last_id() = "LPU64" -> diff = %d\n", + ofd_seq_last_oid(oseq), diff); + if (-diff > OST_MAX_PRECREATE) { + /* FIXME: should reset precreate_next_id on MDS */ + rc = 0; + } else if (diff < 0) { + rc = ofd_orphans_destroy(tsi->tsi_env, tsi->tsi_exp, + ofd, rep_oa); + oseq->os_destroys_in_progress = 0; + } else { + /* XXX: Used by MDS for the first time! */ + oseq->os_destroys_in_progress = 0; + } + } else { + mutex_lock(&oseq->os_create_lock); + if (lustre_msg_get_conn_cnt(tgt_ses_req(tsi)->rq_reqmsg) < + tsi->tsi_exp->exp_conn_cnt) { + CERROR("%s: dropping old precreate request\n", + ofd_name(ofd)); + GOTO(out, rc = 0); + } + /* only precreate if seq is 0, IDIF or normal and also o_id + * must be specfied */ + if ((!fid_seq_is_mdt(seq) && !fid_seq_is_norm(seq) && + !fid_seq_is_idif(seq)) || oid == 0) { + diff = 1; /* shouldn't we create this right now? */ + } else { + diff = oid - ofd_seq_last_oid(oseq); + /* Do sync create if the seq is about to used up */ + if (fid_seq_is_idif(seq) || fid_seq_is_mdt0(seq)) { + if (unlikely(oid >= IDIF_MAX_OID - 1)) + sync_trans = 1; + } else if (fid_seq_is_norm(seq)) { + if (unlikely(oid >= + LUSTRE_DATA_SEQ_MAX_WIDTH - 1)) + sync_trans = 1; + } else { + CERROR("%s : invalid o_seq "DOSTID"\n", + ofd_name(ofd), POSTID(&oa->o_oi)); + GOTO(out, rc = -EINVAL); + } + } + } + if (diff > 0) { + cfs_time_t enough_time = cfs_time_shift(DISK_TIMEOUT); + obd_id next_id; + int created = 0; + int count; + + if (!(oa->o_valid & OBD_MD_FLFLAGS) || + !(oa->o_flags & OBD_FL_DELORPHAN)) { + /* don't enforce grant during orphan recovery */ + rc = ofd_grant_create(tsi->tsi_env, + ofd_obd(ofd)->obd_self_export, + &diff); + if (rc) { + CDEBUG(D_HA, "%s: failed to acquire grant " + "space for precreate (%d): rc = %d\n", + ofd_name(ofd), diff, rc); + diff = 0; + } + } + + /* This can happen if a new OST is formatted and installed + * in place of an old one at the same index. Instead of + * precreating potentially millions of deleted old objects + * (possibly filling the OST), only precreate the last batch. + * LFSCK will eventually clean up any orphans. LU-14 */ + if (diff > 5 * OST_MAX_PRECREATE) { + diff = OST_MAX_PRECREATE / 2; + LCONSOLE_WARN("%s: precreate FID "DOSTID" is over %u " + "larger than the LAST_ID "DOSTID", only " + "precreating the last %u objects.\n", + ofd_name(ofd), POSTID(&oa->o_oi), + 5 * OST_MAX_PRECREATE, + POSTID(&oseq->os_oi), diff); + ofd_seq_last_oid_set(oseq, ostid_id(&oa->o_oi) - diff); + } + + while (diff > 0) { + next_id = ofd_seq_last_oid(oseq) + 1; + count = ofd_precreate_batch(ofd, diff); + + CDEBUG(D_HA, "%s: reserve %d objects in group "LPX64 + " at "LPU64"\n", ofd_name(ofd), + count, seq, next_id); + + if (cfs_time_after(jiffies, enough_time)) { + LCONSOLE_WARN("%s: Slow creates, %d/%d objects" + " created at a rate of %d/s\n", + ofd_name(ofd), created, + diff + created, + created / DISK_TIMEOUT); + break; + } + + rc = ofd_precreate_objects(tsi->tsi_env, ofd, next_id, + oseq, count, sync_trans); + if (rc > 0) { + created += rc; + diff -= rc; + } else if (rc < 0) { + break; + } + } + if (created > 0) + /* some objects got created, we can return + * them, even if last creation failed */ + rc = 0; + else + CERROR("%s: unable to precreate: rc = %d\n", + ofd_name(ofd), rc); + + if (!(oa->o_valid & OBD_MD_FLFLAGS) || + !(oa->o_flags & OBD_FL_DELORPHAN)) + ofd_grant_commit(tsi->tsi_env, + ofd_obd(ofd)->obd_self_export, rc); + + ostid_set_id(&rep_oa->o_oi, ofd_seq_last_oid(oseq)); + } + EXIT; + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_CREATE, + tsi->tsi_jobid, 1); +out: + mutex_unlock(&oseq->os_create_lock); +out_nolock: + if (rc == 0) + rep_oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP; + + ofd_seq_put(tsi->tsi_env, oseq); + return rc; +} + +static int ofd_destroy_hdl(struct tgt_session_info *tsi) +{ + const struct ost_body *body = tsi->tsi_ost_body; + struct ost_body *repbody; + struct ofd_device *ofd = ofd_exp(tsi->tsi_exp); + struct ofd_thread_info *fti = tsi2ofd_info(tsi); + obd_count count; + int rc = 0; + + ENTRY; + + if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS)) + RETURN(-EROFS); + + /* This is old case for clients before Lustre 2.4 */ + /* If there's a DLM request, cancel the locks mentioned in it */ + if (req_capsule_field_present(tsi->tsi_pill, &RMF_DLM_REQ, + RCL_CLIENT)) { + struct ldlm_request *dlm; + + dlm = req_capsule_client_get(tsi->tsi_pill, &RMF_DLM_REQ); + if (dlm == NULL) + RETURN(-EFAULT); + ldlm_request_cancel(tgt_ses_req(tsi), dlm, 0); + } + + repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY); + repbody->oa.o_oi = body->oa.o_oi; + + /* check that o_misc makes sense */ + if (body->oa.o_valid & OBD_MD_FLOBJCOUNT) + count = body->oa.o_misc; + else + count = 1; /* default case - single destroy */ + + /** + * There can be sequence of objects to destroy. Therefore this request + * may have multiple transaction involved in. It is OK, we need only + * the highest used transno to be reported back in reply but not for + * replays, they must report their transno + */ + if (fti->fti_transno == 0) /* not replay */ + fti->fti_mult_trans = 1; + + CDEBUG(D_HA, "%s: Destroy object "DOSTID" count %d\n", ofd_name(ofd), + POSTID(&body->oa.o_oi), count); + while (count > 0) { + int lrc; + + lrc = ostid_to_fid(&fti->fti_fid, &repbody->oa.o_oi, 0); + if (lrc != 0) { + if (rc == 0) + rc = lrc; + GOTO(out, rc); + } + lrc = ofd_destroy_by_fid(tsi->tsi_env, ofd, &fti->fti_fid, 0); + if (lrc == -ENOENT) { + CDEBUG(D_INODE, + "%s: destroying non-existent object "DFID"\n", + ofd_name(ofd), PFID(&fti->fti_fid)); + /* rewrite rc with -ENOENT only if it is 0 */ + if (rc == 0) + rc = lrc; + } else if (lrc != 0) { + CERROR("%s: error destroying object "DFID": %d\n", + ofd_name(ofd), PFID(&fti->fti_fid), + rc); + rc = lrc; + } + count--; + ostid_inc_id(&repbody->oa.o_oi); + } + + /* if we have transaction then there were some deletions, we don't + * need to return ENOENT in that case because it will not wait + * for commit of these deletions. The ENOENT must be returned only + * if there were no transations. + */ + if (rc == -ENOENT) { + if (fti->fti_transno != 0) + rc = 0; + } else if (rc != 0) { + /* + * If we have at least one transaction then llog record + * on server will be removed upon commit, so for rc != 0 + * we return no transno and llog record will be reprocessed. + */ + fti->fti_transno = 0; + } + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_DESTROY, + tsi->tsi_jobid, 1); +out: + RETURN(rc); +} + +static int ofd_statfs_hdl(struct tgt_session_info *tsi) +{ + struct obd_statfs *osfs; + int rc; + + ENTRY; + + osfs = req_capsule_server_get(tsi->tsi_pill, &RMF_OBD_STATFS); + + rc = ofd_statfs(tsi->tsi_env, tsi->tsi_exp, osfs, + cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), 0); + if (rc != 0) + CERROR("%s: statfs failed: rc = %d\n", + tgt_name(tsi->tsi_tgt), rc); + + if (OBD_FAIL_CHECK(OBD_FAIL_OST_STATFS_EINPROGRESS)) + rc = -EINPROGRESS; + + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_STATFS, + tsi->tsi_jobid, 1); + + RETURN(rc); +} + +static int ofd_sync_hdl(struct tgt_session_info *tsi) +{ + struct ost_body *body = tsi->tsi_ost_body; + struct ost_body *repbody; + struct ofd_thread_info *fti = tsi2ofd_info(tsi); + struct ofd_device *ofd = ofd_exp(tsi->tsi_exp); + struct ofd_object *fo = NULL; + int rc = 0; + + ENTRY; + + repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY); + + /* if no objid is specified, it means "sync whole filesystem" */ + if (!fid_is_zero(&tsi->tsi_fid)) { + fo = ofd_object_find_exists(tsi->tsi_env, ofd, &tsi->tsi_fid); + if (IS_ERR(fo)) + RETURN(PTR_ERR(fo)); + } + + rc = tgt_sync(tsi->tsi_env, tsi->tsi_tgt, + fo != NULL ? ofd_object_child(fo) : NULL); + if (rc) + GOTO(put, rc); + + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_SYNC, + tsi->tsi_jobid, 1); + if (fo == NULL) + RETURN(0); + + repbody->oa.o_oi = body->oa.o_oi; + repbody->oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP; + + rc = ofd_attr_get(tsi->tsi_env, fo, &fti->fti_attr); + if (rc == 0) + obdo_from_la(&repbody->oa, &fti->fti_attr, + OFD_VALID_FLAGS); + else + /* don't return rc from getattr */ + rc = 0; + EXIT; +put: + if (fo != NULL) + ofd_object_put(tsi->tsi_env, fo); + return rc; +} + +static int ofd_punch_hdl(struct tgt_session_info *tsi) +{ + const struct obdo *oa = &tsi->tsi_ost_body->oa; + struct ost_body *repbody; + struct ofd_thread_info *info = tsi2ofd_info(tsi); + struct ldlm_namespace *ns = tsi->tsi_tgt->lut_obd->obd_namespace; + struct ldlm_resource *res; + struct ofd_object *fo; + struct filter_fid *ff = NULL; + __u64 flags = 0; + struct lustre_handle lh = { 0, }; + int rc; + __u64 start, end; + bool srvlock; + + ENTRY; + + /* check that we do support OBD_CONNECT_TRUNCLOCK. */ + CLASSERT(OST_CONNECT_SUPPORTED & OBD_CONNECT_TRUNCLOCK); + + if ((oa->o_valid & (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS)) != + (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS)) + RETURN(err_serious(-EPROTO)); + + repbody = req_capsule_server_get(tsi->tsi_pill, &RMF_OST_BODY); + if (repbody == NULL) + RETURN(err_serious(-ENOMEM)); + + /* punch start,end are passed in o_size,o_blocks throught wire */ + start = oa->o_size; + end = oa->o_blocks; + + if (end != OBD_OBJECT_EOF) /* Only truncate is supported */ + RETURN(-EPROTO); + + /* standard truncate optimization: if file body is completely + * destroyed, don't send data back to the server. */ + if (start == 0) + flags |= LDLM_FL_AST_DISCARD_DATA; + + repbody->oa.o_oi = oa->o_oi; + repbody->oa.o_valid = OBD_MD_FLID; + + srvlock = oa->o_valid & OBD_MD_FLFLAGS && + oa->o_flags & OBD_FL_SRVLOCK; + + if (srvlock) { + rc = tgt_extent_lock(ns, &tsi->tsi_resid, start, end, &lh, + LCK_PW, &flags); + if (rc != 0) + RETURN(rc); + } + + CDEBUG(D_INODE, "calling punch for object "DFID", valid = "LPX64 + ", start = "LPD64", end = "LPD64"\n", PFID(&tsi->tsi_fid), + oa->o_valid, start, end); + + fo = ofd_object_find_exists(tsi->tsi_env, ofd_exp(tsi->tsi_exp), + &tsi->tsi_fid); + if (IS_ERR(fo)) + GOTO(out, rc = PTR_ERR(fo)); + + la_from_obdo(&info->fti_attr, oa, + OBD_MD_FLMTIME | OBD_MD_FLATIME | OBD_MD_FLCTIME); + info->fti_attr.la_size = start; + info->fti_attr.la_valid |= LA_SIZE; + + if (oa->o_valid & OBD_MD_FLFID) { + ff = &info->fti_mds_fid; + ofd_prepare_fidea(ff, oa); + } + + rc = ofd_object_punch(tsi->tsi_env, fo, start, end, &info->fti_attr, + ff); + if (rc) + GOTO(out_put, rc); + + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_PUNCH, + tsi->tsi_jobid, 1); + EXIT; +out_put: + ofd_object_put(tsi->tsi_env, fo); +out: + if (srvlock) + tgt_extent_unlock(&lh, LCK_PW); + if (rc == 0) { + /* we do not call this before to avoid lu_object_find() in + * ->lvbo_update() holding another reference on the object. + * otherwise concurrent destroy can make the object unavailable + * for 2nd lu_object_find() waiting for the first reference + * to go... deadlock! */ + res = ldlm_resource_get(ns, NULL, &tsi->tsi_resid, + LDLM_EXTENT, 0); + if (res != NULL) { + ldlm_res_lvbo_update(res, NULL, 0); + ldlm_resource_putref(res); + } + } + return rc; +} + + +static int ofd_quotactl(struct tgt_session_info *tsi) +{ + struct obd_quotactl *oqctl, *repoqc; + int rc; + + ENTRY; + + oqctl = req_capsule_client_get(tsi->tsi_pill, &RMF_OBD_QUOTACTL); + if (oqctl == NULL) + RETURN(err_serious(-EPROTO)); + + repoqc = req_capsule_server_get(tsi->tsi_pill, &RMF_OBD_QUOTACTL); + if (repoqc == NULL) + RETURN(err_serious(-ENOMEM)); + + /* report success for quota on/off for interoperability with current MDT + * stack */ + if (oqctl->qc_cmd == Q_QUOTAON || oqctl->qc_cmd == Q_QUOTAOFF) + RETURN(0); + + *repoqc = *oqctl; + rc = lquotactl_slv(tsi->tsi_env, tsi->tsi_tgt->lut_bottom, repoqc); + + ofd_counter_incr(tsi->tsi_exp, LPROC_OFD_STATS_QUOTACTL, + tsi->tsi_jobid, 1); + + RETURN(rc); +} + +#define OBD_FAIL_OST_READ_NET OBD_FAIL_OST_BRW_NET +#define OBD_FAIL_OST_WRITE_NET OBD_FAIL_OST_BRW_NET +#define OST_BRW_READ OST_READ +#define OST_BRW_WRITE OST_WRITE + +static struct tgt_handler ofd_tgt_handlers[] = { +TGT_RPC_HANDLER(OST_FIRST_OPC, + 0, OST_CONNECT, tgt_connect, + &RQF_CONNECT, LUSTRE_OBD_VERSION), +TGT_RPC_HANDLER(OST_FIRST_OPC, + 0, OST_DISCONNECT, tgt_disconnect, + &RQF_OST_DISCONNECT, LUSTRE_OBD_VERSION), +TGT_RPC_HANDLER(OST_FIRST_OPC, + 0, OST_SET_INFO, ofd_set_info_hdl, + &RQF_OBD_SET_INFO, LUSTRE_OST_VERSION), +TGT_OST_HDL(0, OST_GET_INFO, ofd_get_info_hdl), +TGT_OST_HDL(HABEO_CORPUS| HABEO_REFERO, OST_GETATTR, ofd_getattr_hdl), +TGT_OST_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, + OST_SETATTR, ofd_setattr_hdl), +TGT_OST_HDL(0 | HABEO_REFERO | MUTABOR, + OST_CREATE, ofd_create_hdl), +TGT_OST_HDL(0 | HABEO_REFERO | MUTABOR, + OST_DESTROY, ofd_destroy_hdl), +TGT_OST_HDL(0 | HABEO_REFERO, OST_STATFS, ofd_statfs_hdl), +TGT_OST_HDL(HABEO_CORPUS| HABEO_REFERO, OST_BRW_READ, tgt_brw_read), +/* don't set CORPUS flag for brw_write because -ENOENT may be valid case */ +TGT_OST_HDL(MUTABOR, OST_BRW_WRITE, tgt_brw_write), +TGT_OST_HDL(HABEO_CORPUS| HABEO_REFERO | MUTABOR, + OST_PUNCH, ofd_punch_hdl), +TGT_OST_HDL(HABEO_CORPUS| HABEO_REFERO, OST_SYNC, ofd_sync_hdl), +TGT_OST_HDL(0 | HABEO_REFERO, OST_QUOTACTL, ofd_quotactl), +}; + static struct tgt_opc_slice ofd_common_slice[] = { { - .tos_opc_start = UPDATE_OBJ, - .tos_opc_end = UPDATE_LAST_OPC, - .tos_hs = tgt_out_handlers + .tos_opc_start = OST_FIRST_OPC, + .tos_opc_end = OST_LAST_OPC, + .tos_hs = ofd_tgt_handlers + }, + { + .tos_opc_start = OBD_FIRST_OPC, + .tos_opc_end = OBD_LAST_OPC, + .tos_hs = tgt_obd_handlers + }, + { + .tos_opc_start = LDLM_FIRST_OPC, + .tos_opc_end = LDLM_LAST_OPC, + .tos_hs = tgt_dlm_handlers + }, + { + .tos_opc_start = UPDATE_OBJ, + .tos_opc_end = UPDATE_LAST_OPC, + .tos_hs = tgt_out_handlers }, { .tos_opc_start = SEQ_FIRST_OPC, diff --git a/lustre/ofd/ofd_internal.h b/lustre/ofd/ofd_internal.h index 5d1b880..1667d0d 100644 --- a/lustre/ofd/ofd_internal.h +++ b/lustre/ofd/ofd_internal.h @@ -72,37 +72,37 @@ struct ofd_mod_data { #define OFD_FMD_MAX_NUM_DEFAULT 128 #define OFD_FMD_MAX_AGE_DEFAULT ((obd_timeout + 10) * HZ) -enum { - LPROC_OFD_READ_BYTES = 0, - LPROC_OFD_WRITE_BYTES = 1, - LPROC_OFD_LAST, -}; - -/* for job stats */ +/* request stats */ enum { LPROC_OFD_STATS_READ = 0, - LPROC_OFD_STATS_WRITE = 1, - LPROC_OFD_STATS_SETATTR = 2, - LPROC_OFD_STATS_PUNCH = 3, - LPROC_OFD_STATS_SYNC = 4, + LPROC_OFD_STATS_WRITE, + LPROC_OFD_STATS_GETATTR, + LPROC_OFD_STATS_SETATTR, + LPROC_OFD_STATS_PUNCH, + LPROC_OFD_STATS_SYNC, + LPROC_OFD_STATS_DESTROY, + LPROC_OFD_STATS_CREATE, + LPROC_OFD_STATS_STATFS, + LPROC_OFD_STATS_GET_INFO, + LPROC_OFD_STATS_SET_INFO, + LPROC_OFD_STATS_QUOTACTL, LPROC_OFD_STATS_LAST, }; static inline void ofd_counter_incr(struct obd_export *exp, int opcode, char *jobid, long amount) { + if (exp->exp_obd && exp->exp_obd->obd_stats) + lprocfs_counter_add(exp->exp_obd->obd_stats, opcode, amount); + if (exp->exp_obd && exp->exp_obd->u.obt.obt_jobstats.ojs_hash && (exp_connect_flags(exp) & OBD_CONNECT_JOBSTATS)) lprocfs_job_stats_log(exp->exp_obd, jobid, opcode, amount); if (exp->exp_nid_stats != NULL && exp->exp_nid_stats->nid_stats != NULL) { - if (opcode == LPROC_OFD_STATS_READ) - lprocfs_counter_add(exp->exp_nid_stats->nid_stats, - LPROC_OFD_READ_BYTES, amount); - else if (opcode == LPROC_OFD_STATS_WRITE) - lprocfs_counter_add(exp->exp_nid_stats->nid_stats, - LPROC_OFD_WRITE_BYTES, amount); + lprocfs_counter_add(exp->exp_nid_stats->nid_stats, opcode, + amount); } } @@ -180,8 +180,6 @@ struct ofd_device { unsigned long ofd_raid_degraded:1, /* sync journal on writes */ ofd_syncjournal:1, - /* sync on lock cancel */ - ofd_sync_lock_cancel:2, /* shall we grant space to clients not * supporting OBD_CONNECT_GRANT_PARAM? */ ofd_grant_compat_disable:1; @@ -338,6 +336,12 @@ extern struct obd_ops ofd_obd_ops; int ofd_statfs_internal(const struct lu_env *env, struct ofd_device *ofd, struct obd_statfs *osfs, __u64 max_age, int *from_cache); +int ofd_orphans_destroy(const struct lu_env *env, struct obd_export *exp, + struct ofd_device *ofd, struct obdo *oa); +int ofd_destroy_by_fid(const struct lu_env *env, struct ofd_device *ofd, + const struct lu_fid *fid, int orphan); +int ofd_statfs(const struct lu_env *env, struct obd_export *exp, + struct obd_statfs *osfs, __u64 max_age, __u32 flags); /* ofd_fs.c */ obd_id ofd_seq_last_oid(struct ofd_seq *oseq); @@ -415,6 +419,21 @@ int ofd_attr_get(const struct lu_env *env, struct ofd_object *fo, int ofd_attr_handle_ugid(const struct lu_env *env, struct ofd_object *fo, struct lu_attr *la, int is_setattr); +static inline +struct ofd_object *ofd_object_find_exists(const struct lu_env *env, + struct ofd_device *ofd, + struct lu_fid *fid) +{ + struct ofd_object *fo; + + fo = ofd_object_find(env, ofd, fid); + if (!IS_ERR(fo) && !ofd_object_exists(fo)) { + ofd_object_put(env, fo); + fo = ERR_PTR(-ENOENT); + } + return fo; +} + /* ofd_grants.c */ #define OFD_GRANT_RATIO_SHIFT 8 static inline __u64 ofd_grant_reserved(struct ofd_device *ofd, obd_size bavail) @@ -499,24 +518,22 @@ int ofd_intent_policy(struct ldlm_namespace *ns, struct ldlm_lock **lockp, void *req_cookie, ldlm_mode_t mode, __u64 flags, void *data); -static inline struct ofd_thread_info * ofd_info(const struct lu_env *env) +static inline struct ofd_thread_info *ofd_info(const struct lu_env *env) { struct ofd_thread_info *info; + lu_env_refill((void *)env); info = lu_context_key_get(&env->le_ctx, &ofd_thread_key); LASSERT(info); - LASSERT(info->fti_env); - LASSERT(info->fti_env == env); return info; } -static inline struct ofd_thread_info * ofd_info_init(const struct lu_env *env, - struct obd_export *exp) +static inline struct ofd_thread_info *ofd_info_init(const struct lu_env *env, + struct obd_export *exp) { struct ofd_thread_info *info; - info = lu_context_key_get(&env->le_ctx, &ofd_thread_key); - LASSERT(info); + info = ofd_info(env); LASSERT(info->fti_exp == NULL); LASSERT(info->fti_env == NULL); LASSERT(info->fti_attr.la_valid == 0); @@ -529,6 +546,32 @@ static inline struct ofd_thread_info * ofd_info_init(const struct lu_env *env, return info; } +static inline struct ofd_thread_info *tsi2ofd_info(struct tgt_session_info *tsi) +{ + struct ptlrpc_request *req = tgt_ses_req(tsi); + struct ofd_thread_info *info; + + info = ofd_info(tsi->tsi_env); + LASSERT(info->fti_exp == NULL); + LASSERT(info->fti_env == NULL); + LASSERT(info->fti_attr.la_valid == 0); + + info->fti_env = tsi->tsi_env; + info->fti_exp = tsi->tsi_exp; + info->fti_has_trans = 0; + + info->fti_xid = req->rq_xid; + /** VBR: take versions from request */ + if (req->rq_reqmsg != NULL && + lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) { + __u64 *pre_version = lustre_msg_get_versions(req->rq_reqmsg); + + info->fti_pre_version = pre_version ? pre_version[0] : 0; + info->fti_transno = lustre_msg_get_transno(req->rq_reqmsg); + } + return info; +} + static inline void ofd_oti2info(struct ofd_thread_info *info, struct obd_trans_info *oti) { @@ -555,15 +598,14 @@ static inline void ofd_info2oti(struct ofd_thread_info *info, static inline void ofd_slc_set(struct ofd_device *ofd) { if (ofd->ofd_syncjournal == 1) - ofd->ofd_sync_lock_cancel = NEVER_SYNC_ON_CANCEL; - else if (ofd->ofd_sync_lock_cancel == NEVER_SYNC_ON_CANCEL) - ofd->ofd_sync_lock_cancel = ALWAYS_SYNC_ON_CANCEL; + ofd->ofd_lut.lut_sync_lock_cancel = NEVER_SYNC_ON_CANCEL; + else if (ofd->ofd_lut.lut_sync_lock_cancel == NEVER_SYNC_ON_CANCEL) + ofd->ofd_lut.lut_sync_lock_cancel = ALWAYS_SYNC_ON_CANCEL; } -static inline void ofd_prepare_fidea(struct filter_fid *ff, struct obdo *oa) +static inline void ofd_prepare_fidea(struct filter_fid *ff, + const struct obdo *oa) { - if (!(oa->o_valid & OBD_MD_FLGROUP)) - ostid_set_seq_mdt0(&oa->o_oi); /* packing fid and converting it to LE for storing into EA. * Here ->o_stripe_idx should be filled by LOV and rest of * fields - by client. */ diff --git a/lustre/ofd/ofd_io.c b/lustre/ofd/ofd_io.c index b90bc8a..a67e6c7 100644 --- a/lustre/ofd/ofd_io.c +++ b/lustre/ofd/ofd_io.c @@ -46,8 +46,7 @@ static int ofd_preprw_read(const struct lu_env *env, struct obd_export *exp, struct ofd_device *ofd, struct lu_fid *fid, struct lu_attr *la, int niocount, struct niobuf_remote *rnb, int *nr_local, - struct niobuf_local *lnb, - struct obd_trans_info *oti) + struct niobuf_local *lnb, char *jobid) { struct ofd_object *fo; int i, j, rc, tot_bytes = 0; @@ -88,10 +87,8 @@ static int ofd_preprw_read(const struct lu_env *env, struct obd_export *exp, rc = dt_read_prep(env, ofd_object_child(fo), lnb, *nr_local); if (unlikely(rc)) GOTO(buf_put, rc); - lprocfs_counter_add(ofd_obd(ofd)->obd_stats, - LPROC_OFD_READ_BYTES, tot_bytes); - ofd_counter_incr(exp, LPROC_OFD_STATS_READ, - oti->oti_jobid, tot_bytes); + + ofd_counter_incr(exp, LPROC_OFD_STATS_READ, jobid, tot_bytes); RETURN(0); buf_put: @@ -107,8 +104,7 @@ static int ofd_preprw_write(const struct lu_env *env, struct obd_export *exp, struct lu_attr *la, struct obdo *oa, int objcount, struct obd_ioobj *obj, struct niobuf_remote *rnb, int *nr_local, - struct niobuf_local *lnb, - struct obd_trans_info *oti) + struct niobuf_local *lnb, char *jobid) { struct ofd_object *fo; int i, j, k, rc = 0, tot_bytes = 0; @@ -152,9 +148,6 @@ static int ofd_preprw_write(const struct lu_env *env, struct obd_export *exp, GOTO(out, rc = -ENOENT); } - /* Always sync if syncjournal parameter is set */ - oti->oti_sync_write = ofd->ofd_syncjournal; - /* Process incoming grant info, set OBD_BRW_GRANTED flag and grant some * space back if possible */ ofd_grant_prepare_write(env, exp, oa, rnb, obj->ioo_bufcnt); @@ -173,8 +166,6 @@ static int ofd_preprw_write(const struct lu_env *env, struct obd_export *exp, lnb[j+k].lnb_flags = rnb[i].rnb_flags; if (!(rnb[i].rnb_flags & OBD_BRW_GRANTED)) lnb[j+k].lnb_rc = -ENOSPC; - if (!(rnb[i].rnb_flags & OBD_BRW_ASYNC)) - oti->oti_sync_write = 1; /* remote client can't break through quota */ if (exp_connect_rmtclient(exp)) lnb[j+k].lnb_flags &= ~OBD_BRW_NOQUOTA; @@ -190,10 +181,7 @@ static int ofd_preprw_write(const struct lu_env *env, struct obd_export *exp, if (unlikely(rc != 0)) GOTO(err, rc); - lprocfs_counter_add(ofd_obd(ofd)->obd_stats, - LPROC_OFD_WRITE_BYTES, tot_bytes); - ofd_counter_incr(exp, LPROC_OFD_STATS_WRITE, - oti->oti_jobid, tot_bytes); + ofd_counter_incr(exp, LPROC_OFD_STATS_WRITE, jobid, tot_bytes); RETURN(0); err: dt_bufs_put(env, ofd_object_child(fo), lnb, *nr_local); @@ -208,14 +196,16 @@ out: return rc; } -int ofd_preprw(const struct lu_env* env, int cmd, struct obd_export *exp, +int ofd_preprw(const struct lu_env *env, int cmd, struct obd_export *exp, struct obdo *oa, int objcount, struct obd_ioobj *obj, struct niobuf_remote *rnb, int *nr_local, struct niobuf_local *lnb, struct obd_trans_info *oti, struct lustre_capa *capa) { + struct tgt_session_info *tsi = tgt_ses_info(env); struct ofd_device *ofd = ofd_exp(exp); struct ofd_thread_info *info; + char *jobid; int rc = 0; if (*nr_local > PTLRPC_MAX_BRW_PAGES) { @@ -225,14 +215,22 @@ int ofd_preprw(const struct lu_env* env, int cmd, struct obd_export *exp, RETURN(-EPROTO); } - rc = lu_env_refill((struct lu_env *)env); - LASSERT(rc == 0); - info = ofd_info_init(env, exp); + if (tgt_ses_req(tsi) == NULL) { /* echo client case */ + LASSERT(oti != NULL); + lu_env_refill((struct lu_env *)env); + info = ofd_info_init(env, exp); + ofd_oti2info(info, oti); + jobid = oti->oti_jobid; + } else { + info = tsi2ofd_info(tsi); + jobid = tsi->tsi_jobid; + } LASSERT(oa != NULL); if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT)) { struct ofd_seq *oseq; + oseq = ofd_seq_load(env, ofd, ostid_seq(&oa->o_oi)); if (IS_ERR(oseq)) { CERROR("%s: Can not find seq for "DOSTID @@ -265,7 +263,7 @@ int ofd_preprw(const struct lu_env* env, int cmd, struct obd_export *exp, la_from_obdo(&info->fti_attr, oa, OBD_MD_FLGETATTR); rc = ofd_preprw_write(env, exp, ofd, &info->fti_fid, &info->fti_attr, oa, objcount, - obj, rnb, nr_local, lnb, oti); + obj, rnb, nr_local, lnb, jobid); } } else if (cmd == OBD_BRW_READ) { rc = ofd_auth_capa(exp, &info->fti_fid, ostid_seq(&oa->o_oi), @@ -274,7 +272,7 @@ int ofd_preprw(const struct lu_env* env, int cmd, struct obd_export *exp, ofd_grant_prepare_read(env, exp, oa); rc = ofd_preprw_read(env, exp, ofd, &info->fti_fid, &info->fti_attr, obj->ioo_bufcnt, - rnb, nr_local, lnb, oti); + rnb, nr_local, lnb, jobid); obdo_from_la(oa, &info->fti_attr, LA_ATIME); } } else { @@ -401,8 +399,7 @@ static int ofd_commitrw_write(const struct lu_env *env, struct ofd_device *ofd, struct lu_fid *fid, struct lu_attr *la, struct filter_fid *ff, int objcount, - int niocount, struct niobuf_local *lnb, - struct obd_trans_info *oti, int old_rc) + int niocount, struct niobuf_local *lnb, int old_rc) { struct ofd_thread_info *info = ofd_info(env); struct ofd_object *fo; @@ -410,6 +407,7 @@ ofd_commitrw_write(const struct lu_env *env, struct ofd_device *ofd, struct thandle *th; int rc = 0; int retries = 0; + int i; ENTRY; @@ -442,7 +440,15 @@ retry: if (IS_ERR(th)) GOTO(out, rc = PTR_ERR(th)); - th->th_sync |= oti->oti_sync_write; + th->th_sync |= ofd->ofd_syncjournal; + if (th->th_sync == 0) { + for (i = 0; i < niocount; i++) { + if (!(lnb[i].lnb_flags & OBD_BRW_ASYNC)) { + th->th_sync = 1; + break; + } + } + } if (OBD_FAIL_CHECK(OBD_FAIL_OST_DQACQ_NET)) GOTO(out_stop, rc = -EINPROGRESS); @@ -504,16 +510,13 @@ int ofd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp, struct niobuf_local *lnb, struct obd_trans_info *oti, int old_rc) { - struct ofd_thread_info *info; + struct ofd_thread_info *info = ofd_info(env); struct ofd_mod_data *fmd; __u64 valid; struct ofd_device *ofd = ofd_exp(exp); struct filter_fid *ff = NULL; int rc = 0; - info = ofd_info(env); - ofd_oti2info(info, oti); - LASSERT(npages > 0); rc = ostid_to_fid(&info->fti_fid, &oa->o_oi, 0); @@ -542,7 +545,7 @@ int ofd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp, rc = ofd_commitrw_write(env, ofd, &info->fti_fid, &info->fti_attr, ff, objcount, npages, - lnb, oti, old_rc); + lnb, old_rc); if (rc == 0) obdo_from_la(oa, &info->fti_attr, OFD_VALID_FLAGS | LA_GID | LA_UID); @@ -588,7 +591,7 @@ int ofd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp, } } rc = ofd_commitrw_read(env, ofd, &info->fti_fid, objcount, - npages, lnb); + npages, lnb); if (old_rc) rc = old_rc; } else { @@ -596,6 +599,7 @@ int ofd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp, rc = -EPROTO; } - ofd_info2oti(info, oti); + if (oti != NULL) + ofd_info2oti(info, oti); RETURN(rc); } diff --git a/lustre/ofd/ofd_obd.c b/lustre/ofd/ofd_obd.c index 8bcbd06..d1dffb5 100644 --- a/lustre/ofd/ofd_obd.c +++ b/lustre/ofd/ofd_obd.c @@ -79,18 +79,15 @@ static int ofd_export_stats_init(struct ofd_device *ofd, stats = exp->exp_nid_stats; LASSERT(stats != NULL); - num_stats = NUM_OBD_STATS + LPROC_OFD_LAST; + num_stats = NUM_OBD_STATS + LPROC_OFD_STATS_LAST; + stats->nid_stats = lprocfs_alloc_stats(num_stats, LPROCFS_STATS_FLAG_NOPERCPU); if (stats->nid_stats == NULL) return -ENOMEM; - lprocfs_init_ops_stats(LPROC_OFD_LAST, stats->nid_stats); - lprocfs_counter_init(stats->nid_stats, LPROC_OFD_READ_BYTES, - LPROCFS_CNTR_AVGMINMAX, "read_bytes", "bytes"); - lprocfs_counter_init(stats->nid_stats, LPROC_OFD_WRITE_BYTES, - LPROCFS_CNTR_AVGMINMAX, "write_bytes", "bytes"); - + lprocfs_init_ops_stats(LPROC_OFD_STATS_LAST, stats->nid_stats); + ofd_stats_counter_init(stats->nid_stats); rc = lprocfs_register_stats(stats->nid_proc, "stats", stats->nid_stats); if (rc) @@ -255,13 +252,6 @@ static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp, ofd = ofd_dev(obd->obd_lu_dev); - rc = lu_env_refill((struct lu_env *)env); - if (rc != 0) { - CERROR("Failure to refill session: '%d'\n", rc); - RETURN(rc); - } - - ofd_info_init(env, exp); rc = ofd_parse_connect_data(env, exp, data, false); if (rc == 0) ofd_export_stats_init(ofd, exp, localdata); @@ -291,14 +281,6 @@ static int ofd_obd_connect(const struct lu_env *env, struct obd_export **_exp, exp = class_conn2export(&conn); LASSERT(exp != NULL); - rc = lu_env_refill((struct lu_env *)env); - if (rc != 0) { - CERROR("Failure to refill session: '%d'\n", rc); - GOTO(out, rc); - } - - ofd_info_init(env, exp); - rc = ofd_parse_connect_data(env, exp, data, true); if (rc) GOTO(out, rc); @@ -345,16 +327,17 @@ static int ofd_obd_disconnect(struct obd_export *exp) ofd_grant_discard(exp); - rc = lu_env_init(&env, LCT_DT_THREAD); - if (rc) - RETURN(rc); - /* Do not erase record for recoverable client. */ if (exp->exp_obd->obd_replayable && - (!exp->exp_obd->obd_fail || exp->exp_failed)) - tgt_client_del(&env, exp); - lu_env_fini(&env); + (!exp->exp_obd->obd_fail || exp->exp_failed)) { + rc = lu_env_init(&env, LCT_DT_THREAD); + if (rc) + GOTO(out, rc); + tgt_client_del(&env, exp); + lu_env_fini(&env); + } +out: class_export_put(exp); RETURN(rc); } @@ -624,9 +607,6 @@ static int ofd_get_info(const struct lu_env *env, struct obd_export *exp, ofd_read_unlock(env, fo); ofd_object_put(env, fo); } - } else if (KEY_IS(KEY_SYNC_LOCK_CANCEL)) { - *((__u32 *) val) = ofd->ofd_sync_lock_cancel; - *vallen = sizeof(__u32); } else if (KEY_IS(KEY_LAST_FID)) { struct ofd_device *ofd = ofd_exp(exp); struct ofd_seq *oseq; @@ -749,8 +729,8 @@ int ofd_statfs_internal(const struct lu_env *env, struct ofd_device *ofd, return 0; } -static int ofd_statfs(const struct lu_env *env, struct obd_export *exp, - struct obd_statfs *osfs, __u64 max_age, __u32 flags) +int ofd_statfs(const struct lu_env *env, struct obd_export *exp, + struct obd_statfs *osfs, __u64 max_age, __u32 flags) { struct obd_device *obd = class_exp2obd(exp); struct ofd_device *ofd = ofd_dev(exp->exp_obd->obd_lu_dev); @@ -996,9 +976,8 @@ out_env: return rc; } -static int ofd_destroy_by_fid(const struct lu_env *env, - struct ofd_device *ofd, - const struct lu_fid *fid, int orphan) +int ofd_destroy_by_fid(const struct lu_env *env, struct ofd_device *ofd, + const struct lu_fid *fid, int orphan) { struct ofd_thread_info *info = ofd_info(env); struct lustre_handle lockh; @@ -1121,9 +1100,8 @@ out: RETURN(rc); } -static int ofd_orphans_destroy(const struct lu_env *env, - struct obd_export *exp, struct ofd_device *ofd, - struct obdo *oa) +int ofd_orphans_destroy(const struct lu_env *env, struct obd_export *exp, + struct ofd_device *ofd, struct obdo *oa) { struct ofd_thread_info *info = ofd_info(env); obd_id last; diff --git a/lustre/ofd/ofd_trans.c b/lustre/ofd/ofd_trans.c index 9103704..a14afe2 100644 --- a/lustre/ofd/ofd_trans.c +++ b/lustre/ofd/ofd_trans.c @@ -67,7 +67,7 @@ int ofd_trans_start(const struct lu_env *env, struct ofd_device *ofd, struct ofd_thread_info *info = ofd_info(env); int rc; - if (info->fti_exp == NULL) + if (env->le_ses == NULL || info->fti_exp == NULL) return 0; /* declare last_rcvd update */ @@ -102,109 +102,27 @@ void ofd_trans_stop(const struct lu_env *env, struct ofd_device *ofd, dt_trans_stop(env, ofd->ofd_osd, th); } -/* - * last_rcvd & last_committed update callbacks - */ -static int ofd_last_rcvd_update(struct ofd_thread_info *info, - struct thandle *th) -{ - struct ofd_device *ofd = ofd_exp(info->fti_exp); - struct filter_export_data *fed; - struct lsd_client_data *lcd; - __s32 rc = th->th_result; - __u64 *transno_p; - loff_t off; - int err; - bool lw_client = false; - - ENTRY; - - LASSERT(ofd); - LASSERT(info->fti_exp); - - if (exp_connect_flags(info->fti_exp) & OBD_CONNECT_LIGHTWEIGHT) - lw_client = true; - - fed = &info->fti_exp->exp_filter_data; - LASSERT(fed); - lcd = fed->fed_ted.ted_lcd; - /* if the export has already been disconnected, we have no last_rcvd - * slot, update server data with latest transno then */ - if (lcd == NULL) { - CWARN("commit transaction for disconnected client %s: rc %d\n", - info->fti_exp->exp_client_uuid.uuid, rc); - err = tgt_server_data_write(info->fti_env, &ofd->ofd_lut, th); - RETURN(err); - } - /* ofd connect may cause transaction before export has last_rcvd - * slot */ - if (fed->fed_ted.ted_lr_idx < 0 && !lw_client) - RETURN(0); - off = fed->fed_ted.ted_lr_off; - - transno_p = &lcd->lcd_last_transno; - lcd->lcd_last_xid = info->fti_xid; - - /* - * When we store zero transno in mcd we can lost last transno value - * because mcd contains 0, but msd is not yet written - * The server data should be updated also if the latest - * transno is rewritten by zero. See the bug 11125 for details. - */ - if (info->fti_transno == 0 && - *transno_p == ofd->ofd_lut.lut_last_transno) { - spin_lock(&ofd->ofd_lut.lut_translock); - ofd->ofd_lut.lut_lsd.lsd_last_transno = - ofd->ofd_lut.lut_last_transno; - spin_unlock(&ofd->ofd_lut.lut_translock); - tgt_server_data_write(info->fti_env, &ofd->ofd_lut, th); - } - - *transno_p = info->fti_transno; - if (lw_client) { - /* Although lightweight (LW) connections have no slot in - * last_rcvd, we still want to maintain the in-memory - * lsd_client_data structure in order to properly handle reply - * reconstruction. */ - struct lu_target *tg =&ofd->ofd_lut; - bool update = false; - - err = 0; - /* All operations performed by LW clients are synchronous and - * we store the committed transno in the last_rcvd header */ - spin_lock(&tg->lut_translock); - if (info->fti_transno > tg->lut_lsd.lsd_last_transno) { - tg->lut_lsd.lsd_last_transno = info->fti_transno; - update = true; - } - spin_unlock(&tg->lut_translock); - if (update) - err = tgt_server_data_write(info->fti_env, tg, th); - } else { - LASSERT(fed->fed_ted.ted_lr_off > 0); - err = tgt_client_data_write(info->fti_env, &ofd->ofd_lut, lcd, - &off, th); - } - - RETURN(err); -} - /* Update last_rcvd records with the latest transaction data */ int ofd_txn_stop_cb(const struct lu_env *env, struct thandle *txn, void *cookie) { - struct ofd_device *ofd = cookie; - struct ofd_thread_info *info; + struct ofd_device *ofd = cookie; + struct ofd_thread_info *info = ofd_info(env); + struct dt_object *obj; + struct tgt_session_info *tsi; + bool echo_client; + int rc; ENTRY; - info = lu_context_key_get(&env->le_ctx, &ofd_thread_key); + if (env->le_ses == NULL || info->fti_exp == NULL) + RETURN(0); + + tsi = tgt_ses_info(env); - if (info->fti_exp == NULL) - RETURN(0); + echo_client = (tgt_ses_req(tsi) == NULL); - LASSERT(ofd_exp(info->fti_exp) == ofd); - if (info->fti_has_trans) { + if (info->fti_has_trans && !echo_client) { if (info->fti_mult_trans == 0) { CERROR("More than one transaction "LPU64"\n", info->fti_transno); @@ -216,38 +134,18 @@ int ofd_txn_stop_cb(const struct lu_env *env, struct thandle *txn, info->fti_has_trans = 1; } - spin_lock(&ofd->ofd_lut.lut_translock); - if (txn->th_result != 0) { - if (info->fti_transno != 0) { - CERROR("Replay transno "LPU64" failed: rc %d\n", - info->fti_transno, txn->th_result); - info->fti_transno = 0; - } - } else if (info->fti_transno == 0) { - info->fti_transno = ++ofd->ofd_lut.lut_last_transno; - } else { - /* should be replay */ - if (info->fti_transno > ofd->ofd_lut.lut_last_transno) - ofd->ofd_lut.lut_last_transno = info->fti_transno; - } - spin_unlock(&ofd->ofd_lut.lut_translock); - /** VBR: set new versions */ - if (txn->th_result == 0 && info->fti_obj != NULL) { - dt_version_set(env, ofd_object_child(info->fti_obj), - info->fti_transno, txn); - info->fti_obj = NULL; - } - - /* filling reply data */ - CDEBUG(D_INODE, "transno = %llu, last_committed = %llu\n", - info->fti_transno, ofd_obd(ofd)->obd_last_committed); - - /* if can't add callback, do sync write */ - txn->th_sync |= !!tgt_last_commit_cb_add(txn, &ofd->ofd_lut, - info->fti_exp, - info->fti_transno); - - return ofd_last_rcvd_update(info, txn); + if (info->fti_obj != NULL) + obj = ofd_object_child(info->fti_obj); + else + obj = NULL; + + if (unlikely(echo_client)) /* echo client special case */ + rc = tgt_last_rcvd_update_echo(env, &ofd->ofd_lut, obj, txn, + tsi->tsi_exp); + else + rc = tgt_last_rcvd_update(env, &ofd->ofd_lut, obj, 0, txn, + tgt_ses_req(tsi)); + RETURN(rc); } diff --git a/lustre/osp/osp_precreate.c b/lustre/osp/osp_precreate.c index 5b8065a..20783fc 100644 --- a/lustre/osp/osp_precreate.c +++ b/lustre/osp/osp_precreate.c @@ -539,24 +539,22 @@ static int osp_get_lastfid_from_ost(const struct lu_env *env, if (req == NULL) RETURN(-ENOMEM); - req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_KEY, RCL_CLIENT, + req_capsule_set_size(&req->rq_pill, &RMF_GETINFO_KEY, RCL_CLIENT, sizeof(KEY_LAST_FID)); - req_capsule_set_size(&req->rq_pill, &RMF_SETINFO_VAL, RCL_CLIENT, - sizeof(struct lu_fid)); - rc = ptlrpc_request_pack(req, LUSTRE_OST_VERSION, OST_GET_INFO); if (rc) { ptlrpc_request_free(req); RETURN(rc); } - tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY); + tmp = req_capsule_client_get(&req->rq_pill, &RMF_GETINFO_KEY); memcpy(tmp, KEY_LAST_FID, sizeof(KEY_LAST_FID)); req->rq_no_delay = req->rq_no_resend = 1; - tmp = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_VAL); - fid_cpu_to_le((struct lu_fid *)tmp, &d->opd_last_used_fid); + last_fid = req_capsule_client_get(&req->rq_pill, &RMF_FID); + fid_cpu_to_le(last_fid, &d->opd_last_used_fid); + ptlrpc_request_set_replen(req); rc = ptlrpc_queue_wait(req); diff --git a/lustre/ost/ost_handler.c b/lustre/ost/ost_handler.c index ae982d0..1adc42f 100644 --- a/lustre/ost/ost_handler.c +++ b/lustre/ost/ost_handler.c @@ -42,21 +42,10 @@ #define DEBUG_SUBSYSTEM S_OST #include -#include #include -#include #include -#include -#include -#include -#include -#include #include -#include -#include -#include #include "ost_internal.h" -#include static int oss_num_threads; CFS_MODULE_PARM(oss_num_threads, "i", int, 0444, @@ -78,1808 +67,76 @@ static char *oss_io_cpts; CFS_MODULE_PARM(oss_io_cpts, "s", charp, 0444, "CPU partitions OSS IO threads should run on"); -/* - * this page is allocated statically when module is initializing - * it is used to simulate data corruptions, see ost_checksum_bulk() - * for details. as the original pages provided by the layers below - * can be remain in the internal cache, we do not want to modify - * them. - */ -static struct page *ost_page_to_corrupt = NULL; - -/** - * Do not return server-side uid/gid to remote client - */ -static void ost_drop_id(struct obd_export *exp, struct obdo *oa) -{ - if (exp_connect_rmtclient(exp)) { - oa->o_uid = -1; - oa->o_gid = -1; - oa->o_valid &= ~(OBD_MD_FLUID | OBD_MD_FLGID); - } -} - -/** - * Validate oa from client. - * If the request comes from 2.0 clients, currently only RSVD seq and IDIF - * req are valid. - * a. objects in Single MDT FS seq = FID_SEQ_OST_MDT0, oi_id != 0 - * b. Echo objects(seq = 2), old echo client still use oi_id/oi_seq to - * pack ost_id. Because non-zero oi_seq will make it diffcult to tell - * whether this is oi_fid or real ostid. So it will check - * OBD_CONNECT_FID, then convert the ostid to FID for old client. - * c. Old FID-disable osc will send IDIF. - * d. new FID-enable osc/osp will send normal FID. - * - * And also oi_id/f_oid should always start from 1. oi_id/f_oid = 0 will - * be used for LAST_ID file, and only being accessed inside OST now. - */ -static int ost_validate_obdo(struct obd_export *exp, struct obdo *oa, - struct obd_ioobj *ioobj) -{ - int rc = 0; - - if (unlikely(!(exp_connect_flags(exp) & OBD_CONNECT_FID) && - fid_seq_is_echo(oa->o_oi.oi.oi_seq) && oa != NULL)) { - /* Sigh 2.[123] client still sends echo req with oi_id = 0 - * during create, and we will reset this to 1, since this - * oi_id is basically useless in the following create process, - * but oi_id == 0 will make it difficult to tell whether it is - * real FID or ost_id. */ - oa->o_oi.oi_fid.f_oid = oa->o_oi.oi.oi_id ?: 1; - oa->o_oi.oi_fid.f_seq = FID_SEQ_ECHO; - oa->o_oi.oi_fid.f_ver = 0; - } else { - if (unlikely((oa == NULL) || ostid_id(&oa->o_oi) == 0)) - GOTO(out, rc = -EPROTO); - - /* Note: this check might be forced in 2.5 or 2.6, i.e. - * all of the requests are required to setup FLGROUP */ - if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP))) { - ostid_set_seq_mdt0(&oa->o_oi); - if (ioobj) - ostid_set_seq_mdt0(&ioobj->ioo_oid); - oa->o_valid |= OBD_MD_FLGROUP; - } - - if (unlikely(!(fid_seq_is_idif(ostid_seq(&oa->o_oi)) || - fid_seq_is_mdt0(ostid_seq(&oa->o_oi)) || - fid_seq_is_norm(ostid_seq(&oa->o_oi)) || - fid_seq_is_echo(ostid_seq(&oa->o_oi))))) - GOTO(out, rc = -EPROTO); - } - - if (ioobj != NULL) { - unsigned max_brw = ioobj_max_brw_get(ioobj); - - if (unlikely((max_brw & (max_brw - 1)) != 0)) { - CERROR("%s: client %s sent bad ioobj max %u for "DOSTID - ": rc = -EPROTO\n", exp->exp_obd->obd_name, - obd_export_nid2str(exp), max_brw, - POSTID(&oa->o_oi)); - GOTO(out, rc = -EPROTO); - } - ioobj->ioo_oid = oa->o_oi; - } - -out: - if (rc != 0) - CERROR("%s: client %s sent bad object "DOSTID": rc = %d\n", - exp->exp_obd->obd_name, obd_export_nid2str(exp), - oa ? ostid_seq(&oa->o_oi) : -1, - oa ? ostid_id(&oa->o_oi) : -1, rc); - return rc; -} - -void oti_to_request(struct obd_trans_info *oti, struct ptlrpc_request *req) -{ - struct oti_req_ack_lock *ack_lock; - int i; - - if (oti == NULL) - return; - - if (req->rq_repmsg) { - __u64 versions[PTLRPC_NUM_VERSIONS] = { 0 }; - lustre_msg_set_transno(req->rq_repmsg, oti->oti_transno); - versions[0] = oti->oti_pre_version; - lustre_msg_set_versions(req->rq_repmsg, versions); - } - req->rq_transno = oti->oti_transno; - - /* XXX 4 == entries in oti_ack_locks??? */ - for (ack_lock = oti->oti_ack_locks, i = 0; i < 4; i++, ack_lock++) { - if (!ack_lock->mode) - break; - /* XXX not even calling target_send_reply in some cases... */ - ptlrpc_save_lock (req, &ack_lock->lock, ack_lock->mode, 0); - } -} - -static int ost_destroy(struct obd_export *exp, struct ptlrpc_request *req, - struct obd_trans_info *oti) -{ - struct ost_body *body, *repbody; - struct lustre_capa *capa = NULL; - int rc; - ENTRY; - - /* Get the request body */ - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - RETURN(-EFAULT); - - if (ostid_id(&body->oa.o_oi) == 0) - RETURN(-EPROTO); - - rc = ost_validate_obdo(exp, &body->oa, NULL); - if (rc) - RETURN(rc); - - /* If there's a DLM request, cancel the locks mentioned in it*/ - if (req_capsule_field_present(&req->rq_pill, &RMF_DLM_REQ, RCL_CLIENT)) { - struct ldlm_request *dlm; - - dlm = req_capsule_client_get(&req->rq_pill, &RMF_DLM_REQ); - if (dlm == NULL) - RETURN (-EFAULT); - ldlm_request_cancel(req, dlm, 0); - } - - /* If there's a capability, get it */ - if (body->oa.o_valid & OBD_MD_FLOSSCAPA) { - capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1); - if (capa == NULL) { - CERROR("Missing capability for OST DESTROY"); - RETURN (-EFAULT); - } - } - - /* Prepare the reply */ - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - /* Get the log cancellation cookie */ - if (body->oa.o_valid & OBD_MD_FLCOOKIE) - oti->oti_logcookies = &body->oa.o_lcookie; - - /* Finish the reply */ - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - memcpy(&repbody->oa, &body->oa, sizeof(body->oa)); - - /* Do the destroy and set the reply status accordingly */ - req->rq_status = obd_destroy(req->rq_svc_thread->t_env, exp, - &repbody->oa, NULL, oti, NULL, capa); - RETURN(0); -} - -/** - * Helper function for getting server side [start, start+count] DLM lock - * if asked by client. - */ -static int ost_lock_get(struct obd_export *exp, struct obdo *oa, - __u64 start, __u64 count, struct lustre_handle *lh, - int mode, __u64 flags) -{ - struct ldlm_res_id res_id; - ldlm_policy_data_t policy; - __u64 end = start + count; - - ENTRY; - - LASSERT(!lustre_handle_is_used(lh)); - /* o_id and o_gr are used for localizing resource, if client miss to set - * them, do not trigger ASSERTION. */ - if (unlikely((oa->o_valid & (OBD_MD_FLID | OBD_MD_FLGROUP)) != - (OBD_MD_FLID | OBD_MD_FLGROUP))) - RETURN(-EPROTO); - - if (!(oa->o_valid & OBD_MD_FLFLAGS) || - !(oa->o_flags & OBD_FL_SRVLOCK)) - RETURN(0); - - if (mode == LCK_MINMODE) - RETURN(0); - - ostid_build_res_name(&oa->o_oi, &res_id); - CDEBUG(D_INODE, "OST-side extent lock.\n"); - - policy.l_extent.start = start & CFS_PAGE_MASK; - - /* If ->o_blocks is EOF it means "lock till the end of the - * file". Otherwise, it's size of a hole being punched (in bytes) */ - if (count == OBD_OBJECT_EOF || end < start) - policy.l_extent.end = OBD_OBJECT_EOF; - else - policy.l_extent.end = end | ~CFS_PAGE_MASK; - - RETURN(ldlm_cli_enqueue_local(exp->exp_obd->obd_namespace, &res_id, - LDLM_EXTENT, &policy, mode, &flags, - ldlm_blocking_ast, ldlm_completion_ast, - ldlm_glimpse_ast, NULL, 0, LVB_T_NONE, - NULL, lh)); -} - -/* Helper function: release lock, if any. */ -static void ost_lock_put(struct obd_export *exp, - struct lustre_handle *lh, int mode) -{ - ENTRY; - if (lustre_handle_is_used(lh)) - ldlm_lock_decref(lh, mode); - EXIT; -} - -static int ost_getattr(struct obd_export *exp, struct ptlrpc_request *req) -{ - struct ost_body *body, *repbody; - struct obd_info *oinfo; - struct lustre_handle lh = { 0 }; - struct lustre_capa *capa = NULL; - ldlm_mode_t lock_mode; - int rc; - ENTRY; - - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - RETURN(-EFAULT); - - rc = ost_validate_obdo(exp, &body->oa, NULL); - if (rc) - RETURN(rc); - - if (body->oa.o_valid & OBD_MD_FLOSSCAPA) { - capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1); - if (capa == NULL) { - CERROR("Missing capability for OST GETATTR"); - RETURN(-EFAULT); - } - } - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - repbody->oa = body->oa; - - lock_mode = LCK_MINMODE; - if (body->oa.o_valid & OBD_MD_FLFLAGS && - body->oa.o_flags & OBD_FL_SRVLOCK) { - lock_mode = LCK_PR; - if (body->oa.o_flags & OBD_FL_FLUSH) - lock_mode = LCK_PW; - } - rc = ost_lock_get(exp, &repbody->oa, 0, OBD_OBJECT_EOF, &lh, - lock_mode, 0); - if (rc) - RETURN(rc); - - OBD_ALLOC_PTR(oinfo); - if (!oinfo) - GOTO(unlock, rc = -ENOMEM); - oinfo->oi_oa = &repbody->oa; - oinfo->oi_capa = capa; - - req->rq_status = obd_getattr(req->rq_svc_thread->t_env, exp, oinfo); - - OBD_FREE_PTR(oinfo); - - ost_drop_id(exp, &repbody->oa); - - if (!(repbody->oa.o_valid & OBD_MD_FLFLAGS)) { - repbody->oa.o_valid |= OBD_MD_FLFLAGS; - repbody->oa.o_flags = 0; - } - repbody->oa.o_flags |= OBD_FL_FLUSH; - -unlock: - ost_lock_put(exp, &lh, lock_mode); - RETURN(rc); -} - -static int ost_statfs(struct ptlrpc_request *req) -{ - struct obd_statfs *osfs; - int rc; - ENTRY; - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - osfs = req_capsule_server_get(&req->rq_pill, &RMF_OBD_STATFS); - - req->rq_status = obd_statfs(req->rq_svc_thread->t_env, req->rq_export, - osfs, - cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), - 0); - if (req->rq_status != 0) - CERROR("ost: statfs failed: rc %d\n", req->rq_status); - - if (OBD_FAIL_CHECK(OBD_FAIL_OST_STATFS_EINPROGRESS)) - req->rq_status = -EINPROGRESS; - - RETURN(0); -} - -static int ost_create(struct obd_export *exp, struct ptlrpc_request *req, - struct obd_trans_info *oti) -{ - struct ost_body *body, *repbody; - int rc; - ENTRY; - - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - RETURN(-EFAULT); - - rc = ost_validate_obdo(req->rq_export, &body->oa, NULL); - if (rc) - RETURN(rc); - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - repbody->oa = body->oa; - oti->oti_logcookies = &body->oa.o_lcookie; - - req->rq_status = obd_create(req->rq_svc_thread->t_env, exp, - &repbody->oa, NULL, oti); - //obd_log_cancel(conn, NULL, 1, oti->oti_logcookies, 0); - RETURN(0); -} - -static int ost_punch(struct obd_export *exp, struct ptlrpc_request *req, - struct obd_trans_info *oti) -{ - struct ost_body *body, *repbody; - __u64 flags = 0; - struct lustre_handle lh = {0,}; - int rc; - ENTRY; - - /* check that we do support OBD_CONNECT_TRUNCLOCK. */ - CLASSERT(OST_CONNECT_SUPPORTED & OBD_CONNECT_TRUNCLOCK); - - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - RETURN(-EFAULT); - - rc = ost_validate_obdo(exp, &body->oa, NULL); - if (rc) - RETURN(rc); - - if ((body->oa.o_valid & (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS)) != - (OBD_MD_FLSIZE | OBD_MD_FLBLOCKS)) - RETURN(-EPROTO); - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - /* standard truncate optimization: if file body is completely - * destroyed, don't send data back to the server. */ - if (body->oa.o_size == 0) - flags |= LDLM_FL_AST_DISCARD_DATA; - - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - repbody->oa = body->oa; - - rc = ost_lock_get(exp, &repbody->oa, repbody->oa.o_size, - repbody->oa.o_blocks, &lh, LCK_PW, flags); - if (rc == 0) { - struct obd_info *oinfo; - struct lustre_capa *capa = NULL; - - if (repbody->oa.o_valid & OBD_MD_FLFLAGS && - repbody->oa.o_flags == OBD_FL_SRVLOCK) - /* - * If OBD_FL_SRVLOCK is the only bit set in - * ->o_flags, clear OBD_MD_FLFLAGS to avoid falling - * through filter_setattr() to filter_iocontrol(). - */ - repbody->oa.o_valid &= ~OBD_MD_FLFLAGS; - - if (repbody->oa.o_valid & OBD_MD_FLOSSCAPA) { - capa = req_capsule_client_get(&req->rq_pill, - &RMF_CAPA1); - if (capa == NULL) { - CERROR("Missing capability for OST PUNCH"); - GOTO(unlock, rc = -EFAULT); - } - } - - OBD_ALLOC_PTR(oinfo); - if (!oinfo) - GOTO(unlock, rc = -ENOMEM); - oinfo->oi_oa = &repbody->oa; - oinfo->oi_policy.l_extent.start = oinfo->oi_oa->o_size; - oinfo->oi_policy.l_extent.end = oinfo->oi_oa->o_blocks; - oinfo->oi_capa = capa; - oinfo->oi_flags = OBD_FL_PUNCH; - - req->rq_status = obd_punch(req->rq_svc_thread->t_env, exp, - oinfo, oti, NULL); - OBD_FREE_PTR(oinfo); -unlock: - ost_lock_put(exp, &lh, LCK_PW); - } - - ost_drop_id(exp, &repbody->oa); - RETURN(rc); -} - -static int ost_sync(struct obd_export *exp, struct ptlrpc_request *req, - struct obd_trans_info *oti) -{ - struct ost_body *body, *repbody; - struct obd_info *oinfo; - struct lustre_capa *capa = NULL; - int rc; - ENTRY; - - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - RETURN(-EFAULT); - - rc = ost_validate_obdo(exp, &body->oa, NULL); - if (rc) - RETURN(rc); - - if (body->oa.o_valid & OBD_MD_FLOSSCAPA) { - capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1); - if (capa == NULL) { - CERROR("Missing capability for OST SYNC"); - RETURN (-EFAULT); - } - } - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - repbody->oa = body->oa; - - OBD_ALLOC_PTR(oinfo); - if (!oinfo) - RETURN(-ENOMEM); - - oinfo->oi_oa = &repbody->oa; - oinfo->oi_capa = capa; - oinfo->oi_jobid = oti->oti_jobid; - req->rq_status = obd_sync(req->rq_svc_thread->t_env, exp, oinfo, - repbody->oa.o_size, repbody->oa.o_blocks, - NULL); - OBD_FREE_PTR(oinfo); - - ost_drop_id(exp, &repbody->oa); - RETURN(0); -} - -static int ost_setattr(struct obd_export *exp, struct ptlrpc_request *req, - struct obd_trans_info *oti) -{ - struct ost_body *body, *repbody; - struct obd_info *oinfo; - struct lustre_capa *capa = NULL; - int rc; - ENTRY; - - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - RETURN(-EFAULT); - - rc = ost_validate_obdo(req->rq_export, &body->oa, NULL); - if (rc) - RETURN(rc); - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - if (body->oa.o_valid & OBD_MD_FLOSSCAPA) { - capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1); - if (capa == NULL) { - CERROR("Missing capability for OST SETATTR"); - RETURN (-EFAULT); - } - } - - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - repbody->oa = body->oa; - - OBD_ALLOC_PTR(oinfo); - if (!oinfo) - RETURN(-ENOMEM); - oinfo->oi_oa = &repbody->oa; - oinfo->oi_capa = capa; - - req->rq_status = obd_setattr(req->rq_svc_thread->t_env, exp, oinfo, - oti); - - OBD_FREE_PTR(oinfo); - - ost_drop_id(exp, &repbody->oa); - RETURN(0); -} - -static __u32 ost_checksum_bulk(struct ptlrpc_bulk_desc *desc, int opc, - cksum_type_t cksum_type) -{ - struct cfs_crypto_hash_desc *hdesc; - unsigned int bufsize; - int i, err; - unsigned char cfs_alg = cksum_obd2cfs(cksum_type); - __u32 cksum; - - hdesc = cfs_crypto_hash_init(cfs_alg, NULL, 0); - if (IS_ERR(hdesc)) { - CERROR("Unable to initialize checksum hash %s\n", - cfs_crypto_hash_name(cfs_alg)); - return PTR_ERR(hdesc); - } - CDEBUG(D_INFO, "Checksum for algo %s\n", cfs_crypto_hash_name(cfs_alg)); - for (i = 0; i < desc->bd_iov_count; i++) { - - /* corrupt the data before we compute the checksum, to - * simulate a client->OST data error */ - if (i == 0 && opc == OST_WRITE && - OBD_FAIL_CHECK(OBD_FAIL_OST_CHECKSUM_RECEIVE)) { - int off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK; - int len = desc->bd_iov[i].kiov_len; - struct page *np = ost_page_to_corrupt; - char *ptr = kmap(desc->bd_iov[i].kiov_page) + off; - - if (np) { - char *ptr2 = kmap(np) + off; - - memcpy(ptr2, ptr, len); - memcpy(ptr2, "bad3", min(4, len)); - kunmap(np); - desc->bd_iov[i].kiov_page = np; - } else { - CERROR("can't alloc page for corruption\n"); - } - } - cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].kiov_page, - desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK, - desc->bd_iov[i].kiov_len); - - /* corrupt the data after we compute the checksum, to - * simulate an OST->client data error */ - if (i == 0 && opc == OST_READ && - OBD_FAIL_CHECK(OBD_FAIL_OST_CHECKSUM_SEND)) { - int off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK; - int len = desc->bd_iov[i].kiov_len; - struct page *np = ost_page_to_corrupt; - char *ptr = kmap(desc->bd_iov[i].kiov_page) + off; - - if (np) { - char *ptr2 = kmap(np) + off; - - memcpy(ptr2, ptr, len); - memcpy(ptr2, "bad4", min(4, len)); - kunmap(np); - desc->bd_iov[i].kiov_page = np; - } else { - CERROR("can't alloc page for corruption\n"); - } - } - } - - bufsize = 4; - err = cfs_crypto_hash_final(hdesc, (unsigned char *)&cksum, &bufsize); - if (err) - cfs_crypto_hash_final(hdesc, NULL, NULL); - - return cksum; -} - -static int ost_brw_lock_get(int mode, struct obd_export *exp, - struct obd_ioobj *obj, struct niobuf_remote *nb, - struct lustre_handle *lh) -{ - __u64 flags = 0; - int nrbufs = obj->ioo_bufcnt; - struct ldlm_res_id res_id; - ldlm_policy_data_t policy; - int i; - ENTRY; - - ostid_build_res_name(&obj->ioo_oid, &res_id); - LASSERT(mode == LCK_PR || mode == LCK_PW); - LASSERT(!lustre_handle_is_used(lh)); - - if (nrbufs == 0 || !(nb[0].flags & OBD_BRW_SRVLOCK)) - RETURN(0); - - for (i = 1; i < nrbufs; i ++) - if ((nb[0].flags & OBD_BRW_SRVLOCK) != - (nb[i].flags & OBD_BRW_SRVLOCK)) - RETURN(-EFAULT); - - policy.l_extent.start = nb[0].offset & CFS_PAGE_MASK; - policy.l_extent.end = (nb[nrbufs - 1].offset + - nb[nrbufs - 1].len - 1) | ~CFS_PAGE_MASK; - - RETURN(ldlm_cli_enqueue_local(exp->exp_obd->obd_namespace, &res_id, - LDLM_EXTENT, &policy, mode, &flags, - ldlm_blocking_ast, ldlm_completion_ast, - ldlm_glimpse_ast, NULL, 0, LVB_T_NONE, - NULL, lh)); -} - -static void ost_brw_lock_put(int mode, - struct obd_ioobj *obj, struct niobuf_remote *niob, - struct lustre_handle *lh) -{ - ENTRY; - LASSERT(mode == LCK_PR || mode == LCK_PW); - LASSERT((obj->ioo_bufcnt > 0 && (niob[0].flags & OBD_BRW_SRVLOCK)) == - lustre_handle_is_used(lh)); - if (lustre_handle_is_used(lh)) - ldlm_lock_decref(lh, mode); - EXIT; -} - -/* Allocate thread local buffers if needed */ -static struct ost_thread_local_cache *ost_tls_get(struct ptlrpc_request *r) -{ - struct ost_thread_local_cache *tls = - (struct ost_thread_local_cache *)(r->rq_svc_thread->t_data); - - /* In normal mode of operation an I/O request is serviced only - * by ll_ost_io threads each of them has own tls buffers allocated by - * ost_io_thread_init(). - * During recovery, an I/O request may be queued until any of the ost - * service threads process it. Not necessary it should be one of - * ll_ost_io threads. In that case we dynamically allocating tls - * buffers for the request service time. */ - if (unlikely(tls == NULL)) { - LASSERT(r->rq_export->exp_in_recovery); - OBD_ALLOC_PTR(tls); - if (tls != NULL) { - tls->temporary = 1; - r->rq_svc_thread->t_data = tls; - } - } - return tls; -} - -/* Free thread local buffers if they were allocated only for servicing - * this one request */ -static void ost_tls_put(struct ptlrpc_request *r) -{ - struct ost_thread_local_cache *tls = - (struct ost_thread_local_cache *)(r->rq_svc_thread->t_data); - - if (unlikely(tls->temporary)) { - OBD_FREE_PTR(tls); - r->rq_svc_thread->t_data = NULL; - } -} - -static int ost_brw_read(struct ptlrpc_request *req, struct obd_trans_info *oti) -{ - struct ptlrpc_bulk_desc *desc = NULL; - struct obd_export *exp = req->rq_export; - struct niobuf_remote *remote_nb; - struct niobuf_local *local_nb; - struct obd_ioobj *ioo; - struct ost_body *body, *repbody; - struct lustre_capa *capa = NULL; - struct l_wait_info lwi; - struct lustre_handle lockh = { 0 }; - int niocount, npages, nob = 0, rc, i; - int no_reply = 0; - struct ost_thread_local_cache *tls; - ENTRY; - - req->rq_bulk_read = 1; - - if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_READ_BULK)) - GOTO(out, rc = -EIO); - - OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_BULK, (obd_timeout + 1) / 4); - - /* Check if there is eviction in progress, and if so, wait for it to - * finish */ - if (unlikely(cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress))) { - lwi = LWI_INTR(NULL, NULL); // We do not care how long it takes - rc = l_wait_event(exp->exp_obd->obd_evict_inprogress_waitq, - !cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress), - &lwi); - } - if (exp->exp_failed) - GOTO(out, rc = -ENOTCONN); - - /* ost_body, ioobj & noibuf_remote are verified and swabbed in - * ost_rw_hpreq_check(). */ - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - GOTO(out, rc = -EFAULT); - - /* - * A req_capsule_X_get_array(pill, field, ptr_to_element_count) function - * would be useful here and wherever we get &RMF_OBD_IOOBJ and - * &RMF_NIOBUF_REMOTE. - */ - ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ); - if (ioo == NULL) - GOTO(out, rc = -EFAULT); - - rc = ost_validate_obdo(exp, &body->oa, ioo); - if (rc) - RETURN(rc); - - niocount = ioo->ioo_bufcnt; - remote_nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE); - if (remote_nb == NULL) - GOTO(out, rc = -EFAULT); - - if (body->oa.o_valid & OBD_MD_FLOSSCAPA) { - capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1); - if (capa == NULL) { - CERROR("Missing capability for OST BRW READ"); - GOTO(out, rc = -EFAULT); - } - } - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - GOTO(out, rc); - - tls = ost_tls_get(req); - if (tls == NULL) - GOTO(out_bulk, rc = -ENOMEM); - local_nb = tls->local; - - rc = ost_brw_lock_get(LCK_PR, exp, ioo, remote_nb, &lockh); - if (rc != 0) - GOTO(out_tls, rc); - - /* - * If getting the lock took more time than - * client was willing to wait, drop it. b=11330 - */ - if (cfs_time_current_sec() > req->rq_deadline || - OBD_FAIL_CHECK(OBD_FAIL_OST_DROP_REQ)) { - no_reply = 1; - CERROR("Dropping timed-out read from %s because locking" - "object "DOSTID" took %ld seconds (limit was %ld).\n", - libcfs_id2str(req->rq_peer), POSTID(&ioo->ioo_oid), - cfs_time_current_sec() - req->rq_arrival_time.tv_sec, - req->rq_deadline - req->rq_arrival_time.tv_sec); - GOTO(out_lock, rc = -ETIMEDOUT); - } - - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa)); - - npages = OST_THREAD_POOL_SIZE; - rc = obd_preprw(req->rq_svc_thread->t_env, OBD_BRW_READ, exp, - &repbody->oa, 1, ioo, remote_nb, &npages, local_nb, - oti, capa); - if (rc != 0) - GOTO(out_lock, rc); - - desc = ptlrpc_prep_bulk_exp(req, npages, ioobj_max_brw_get(ioo), - BULK_PUT_SOURCE, OST_BULK_PORTAL); - if (desc == NULL) - GOTO(out_commitrw, rc = -ENOMEM); - - nob = 0; - for (i = 0; i < npages; i++) { - int page_rc = local_nb[i].rc; - - if (page_rc < 0) { /* error */ - rc = page_rc; - break; - } - - nob += page_rc; - if (page_rc != 0) { /* some data! */ - LASSERT (local_nb[i].page != NULL); - ptlrpc_prep_bulk_page_nopin(desc, local_nb[i].page, - local_nb[i].lnb_page_offset, - page_rc); - } - - if (page_rc != local_nb[i].len) { /* short read */ - /* All subsequent pages should be 0 */ - while(++i < npages) - LASSERT(local_nb[i].rc == 0); - break; - } - } - - if (body->oa.o_valid & OBD_MD_FLCKSUM) { - cksum_type_t cksum_type = - cksum_type_unpack(repbody->oa.o_valid & OBD_MD_FLFLAGS ? - repbody->oa.o_flags : 0); - repbody->oa.o_flags = cksum_type_pack(cksum_type); - repbody->oa.o_valid = OBD_MD_FLCKSUM | OBD_MD_FLFLAGS; - repbody->oa.o_cksum = ost_checksum_bulk(desc, OST_READ,cksum_type); - CDEBUG(D_PAGE, "checksum at read origin: %x\n", - repbody->oa.o_cksum); - } else { - repbody->oa.o_valid = 0; - } - /* We're finishing using body->oa as an input variable */ - - /* Check if client was evicted while we were doing i/o before touching - network */ - if (rc == 0) { - if (likely(!CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))) - rc = target_bulk_io(exp, desc, &lwi); - no_reply = rc != 0; - } - -out_commitrw: - /* Must commit after prep above in all cases */ - rc = obd_commitrw(req->rq_svc_thread->t_env, OBD_BRW_READ, exp, - &repbody->oa, 1, ioo, remote_nb, npages, local_nb, - oti, rc); - - if (rc == 0) - ost_drop_id(exp, &repbody->oa); - -out_lock: - ost_brw_lock_put(LCK_PR, ioo, remote_nb, &lockh); -out_tls: - ost_tls_put(req); -out_bulk: - if (desc && !CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2)) - ptlrpc_free_bulk_nopin(desc); -out: - LASSERT(rc <= 0); - if (rc == 0) { - req->rq_status = nob; - ptlrpc_lprocfs_brw(req, nob); - target_committed_to_req(req); - ptlrpc_reply(req); - } else if (!no_reply) { - /* Only reply if there was no comms problem with bulk */ - target_committed_to_req(req); - req->rq_status = rc; - ptlrpc_error(req); - } else { - /* reply out callback would free */ - ptlrpc_req_drop_rs(req); - LCONSOLE_WARN("%s: Bulk IO read error with %s (at %s), " - "client will retry: rc %d\n", - exp->exp_obd->obd_name, - obd_uuid2str(&exp->exp_client_uuid), - obd_export_nid2str(exp), rc); - } - /* send a bulk after reply to simulate a network delay or reordering - * by a router */ - if (unlikely(CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))) { - wait_queue_head_t waitq; - struct l_wait_info lwi1; - - CDEBUG(D_INFO, "reorder BULK\n"); - init_waitqueue_head(&waitq); - - lwi1 = LWI_TIMEOUT_INTR(cfs_time_seconds(3), NULL, NULL, NULL); - l_wait_event(waitq, 0, &lwi1); - rc = target_bulk_io(exp, desc, &lwi); - ptlrpc_free_bulk_nopin(desc); - } - - RETURN(rc); -} - -static void ost_warn_on_cksum(struct ptlrpc_request *req, - struct ptlrpc_bulk_desc *desc, - struct niobuf_local *local_nb, int npages, - obd_count client_cksum, obd_count server_cksum, - int mmap) -{ - struct obd_export *exp = req->rq_export; - struct ost_body *body; - char *router; - char *via; - - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - LASSERT (body != NULL); - - if (req->rq_peer.nid == desc->bd_sender) { - via = router = ""; - } else { - via = " via "; - router = libcfs_nid2str(desc->bd_sender); - } - - if (mmap) { - CDEBUG_LIMIT(D_INFO, "client csum %x, server csum %x\n", - client_cksum, server_cksum); - return; - } - - LCONSOLE_ERROR_MSG(0x168, "BAD WRITE CHECKSUM: %s from %s%s%s inode " - DFID" object "DOSTID" extent ["LPU64"-"LPU64 - "]: client csum %x, server csum %x\n", - exp->exp_obd->obd_name, libcfs_id2str(req->rq_peer), - via, router, - body->oa.o_valid & OBD_MD_FLFID ? - body->oa.o_parent_seq : (__u64)0, - body->oa.o_valid & OBD_MD_FLFID ? - body->oa.o_parent_oid : 0, - body->oa.o_valid & OBD_MD_FLFID ? - body->oa.o_parent_ver : 0, - POSTID(&body->oa.o_oi), - local_nb[0].lnb_file_offset, - local_nb[npages-1].lnb_file_offset + - local_nb[npages-1].len - 1, - client_cksum, server_cksum); -} - -static int ost_brw_write(struct ptlrpc_request *req, struct obd_trans_info *oti) -{ - struct ptlrpc_bulk_desc *desc = NULL; - struct obd_export *exp = req->rq_export; - struct niobuf_remote *remote_nb; - struct niobuf_local *local_nb; - struct obd_ioobj *ioo; - struct ost_body *body, *repbody; - struct l_wait_info lwi; - struct lustre_handle lockh = {0}; - struct lustre_capa *capa = NULL; - __u32 *rcs; - int objcount, niocount, npages; - int rc, i, j; - obd_count client_cksum = 0, server_cksum = 0; - cksum_type_t cksum_type = OBD_CKSUM_CRC32; - int no_reply = 0, mmap = 0; - __u32 o_uid = 0, o_gid = 0; - struct ost_thread_local_cache *tls; - ENTRY; - - req->rq_bulk_write = 1; - - if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_WRITE_BULK)) - GOTO(out, rc = -EIO); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_WRITE_BULK2)) - GOTO(out, rc = -EFAULT); - - /* pause before transaction has been started */ - OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_BULK, (obd_timeout + 1) / 4); - - /* ost_body, ioobj & noibuf_remote are verified and swabbed in - * ost_rw_hpreq_check(). */ - body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); - if (body == NULL) - GOTO(out, rc = -EFAULT); - - objcount = req_capsule_get_size(&req->rq_pill, &RMF_OBD_IOOBJ, - RCL_CLIENT) / sizeof(*ioo); - ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ); - if (ioo == NULL) - GOTO(out, rc = -EFAULT); - - rc = ost_validate_obdo(exp, &body->oa, ioo); - if (rc) - RETURN(rc); - - for (niocount = i = 0; i < objcount; i++) - niocount += ioo[i].ioo_bufcnt; - - /* - * It'd be nice to have a capsule function to indicate how many elements - * there were in a buffer for an RMF that's declared to be an array. - * It's easy enough to compute the number of elements here though. - */ - remote_nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE); - if (remote_nb == NULL || niocount != (req_capsule_get_size(&req->rq_pill, - &RMF_NIOBUF_REMOTE, RCL_CLIENT) / sizeof(*remote_nb))) - GOTO(out, rc = -EFAULT); - - if ((remote_nb[0].flags & OBD_BRW_MEMALLOC) && - (exp->exp_connection->c_peer.nid == exp->exp_connection->c_self)) - memory_pressure_set(); - - if (body->oa.o_valid & OBD_MD_FLOSSCAPA) { - capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1); - if (capa == NULL) { - CERROR("Missing capability for OST BRW WRITE"); - GOTO(out, rc = -EFAULT); - } - } - - req_capsule_set_size(&req->rq_pill, &RMF_RCS, RCL_SERVER, - niocount * sizeof(*rcs)); - rc = req_capsule_server_pack(&req->rq_pill); - if (rc != 0) - GOTO(out, rc); - CFS_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_PACK, cfs_fail_val); - rcs = req_capsule_server_get(&req->rq_pill, &RMF_RCS); - - tls = ost_tls_get(req); - if (tls == NULL) - GOTO(out_bulk, rc = -ENOMEM); - local_nb = tls->local; - - rc = ost_brw_lock_get(LCK_PW, exp, ioo, remote_nb, &lockh); - if (rc != 0) - GOTO(out_tls, rc); - - /* - * If getting the lock took more time than - * client was willing to wait, drop it. b=11330 - */ - if (cfs_time_current_sec() > req->rq_deadline || - OBD_FAIL_CHECK(OBD_FAIL_OST_DROP_REQ)) { - no_reply = 1; - CERROR("Dropping timed-out write from %s because locking " - "object "DOSTID" took %ld seconds (limit was %ld).\n", - libcfs_id2str(req->rq_peer), POSTID(&ioo->ioo_oid), - cfs_time_current_sec() - req->rq_arrival_time.tv_sec, - req->rq_deadline - req->rq_arrival_time.tv_sec); - GOTO(out_lock, rc = -ETIMEDOUT); - } - - /* obd_preprw clobbers oa->valid, so save what we need */ - if (body->oa.o_valid & OBD_MD_FLCKSUM) { - client_cksum = body->oa.o_cksum; - if (body->oa.o_valid & OBD_MD_FLFLAGS) - cksum_type = cksum_type_unpack(body->oa.o_flags); - } - if (body->oa.o_valid & OBD_MD_FLFLAGS && body->oa.o_flags & OBD_FL_MMAP) - mmap = 1; - - /* Because we already sync grant info with client when reconnect, - * grant info will be cleared for resent req, then fed_grant and - * total_grant will not be modified in following preprw_write */ - if (lustre_msg_get_flags(req->rq_reqmsg) & (MSG_RESENT | MSG_REPLAY)) { - DEBUG_REQ(D_CACHE, req, "clear resent/replay req grant info"); - body->oa.o_valid &= ~OBD_MD_FLGRANT; - } - - if (exp_connect_rmtclient(exp)) { - o_uid = body->oa.o_uid; - o_gid = body->oa.o_gid; - } - - repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); - memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa)); - - npages = OST_THREAD_POOL_SIZE; - rc = obd_preprw(req->rq_svc_thread->t_env, OBD_BRW_WRITE, exp, - &repbody->oa, objcount, ioo, remote_nb, &npages, - local_nb, oti, capa); - if (rc != 0) - GOTO(out_lock, rc); - - desc = ptlrpc_prep_bulk_exp(req, npages, ioobj_max_brw_get(ioo), - BULK_GET_SINK, OST_BULK_PORTAL); - if (desc == NULL) - GOTO(skip_transfer, rc = -ENOMEM); - - /* NB Having prepped, we must commit... */ - for (i = 0; i < npages; i++) - ptlrpc_prep_bulk_page_nopin(desc, local_nb[i].page, - local_nb[i].lnb_page_offset, - local_nb[i].len); - - rc = sptlrpc_svc_prep_bulk(req, desc); - if (rc != 0) - GOTO(out_lock, rc); - - rc = target_bulk_io(exp, desc, &lwi); - no_reply = rc != 0; - -skip_transfer: - if (client_cksum != 0 && rc == 0) { - static int cksum_counter; - repbody->oa.o_valid |= OBD_MD_FLCKSUM | OBD_MD_FLFLAGS; - repbody->oa.o_flags &= ~OBD_FL_CKSUM_ALL; - repbody->oa.o_flags |= cksum_type_pack(cksum_type); - server_cksum = ost_checksum_bulk(desc, OST_WRITE, cksum_type); - repbody->oa.o_cksum = server_cksum; - cksum_counter++; - if (unlikely(client_cksum != server_cksum)) { - ost_warn_on_cksum(req, desc, local_nb, npages, - client_cksum, server_cksum, mmap); - cksum_counter = 0; - - } else if ((cksum_counter & (-cksum_counter)) == cksum_counter){ - CDEBUG(D_INFO, "Checksum %u from %s OK: %x\n", - cksum_counter, libcfs_id2str(req->rq_peer), - server_cksum); - } - } - - /* Must commit after prep above in all cases */ - rc = obd_commitrw(req->rq_svc_thread->t_env, OBD_BRW_WRITE, exp, - &repbody->oa, objcount, ioo, remote_nb, npages, - local_nb, oti, rc); - if (rc == -ENOTCONN) - /* quota acquire process has been given up because - * either the client has been evicted or the client - * has timed out the request already */ - no_reply = 1; - - if (exp_connect_rmtclient(exp)) { - repbody->oa.o_uid = o_uid; - repbody->oa.o_gid = o_gid; - } - - /* - * Disable sending mtime back to the client. If the client locked the - * whole object, then it has already updated the mtime on its side, - * otherwise it will have to glimpse anyway (see bug 21489, comment 32) - */ - repbody->oa.o_valid &= ~(OBD_MD_FLMTIME | OBD_MD_FLATIME); - - if (rc == 0) { - int nob = 0; - - /* set per-requested niobuf return codes */ - for (i = j = 0; i < niocount; i++) { - int len = remote_nb[i].len; - - nob += len; - rcs[i] = 0; - do { - LASSERT(j < npages); - if (local_nb[j].rc < 0) - rcs[i] = local_nb[j].rc; - len -= local_nb[j].len; - j++; - } while (len > 0); - LASSERT(len == 0); - } - LASSERT(j == npages); - ptlrpc_lprocfs_brw(req, nob); - } - -out_lock: - ost_brw_lock_put(LCK_PW, ioo, remote_nb, &lockh); -out_tls: - ost_tls_put(req); -out_bulk: - if (desc) - ptlrpc_free_bulk_nopin(desc); -out: - if (rc == 0) { - oti_to_request(oti, req); - target_committed_to_req(req); - rc = ptlrpc_reply(req); - } else if (!no_reply) { - /* Only reply if there was no comms problem with bulk */ - target_committed_to_req(req); - req->rq_status = rc; - ptlrpc_error(req); - } else { - /* reply out callback would free */ - ptlrpc_req_drop_rs(req); - LCONSOLE_WARN("%s: Bulk IO write error with %s (at %s), " - "client will retry: rc %d\n", - exp->exp_obd->obd_name, - obd_uuid2str(&exp->exp_client_uuid), - obd_export_nid2str(exp), rc); - } - memory_pressure_clr(); - RETURN(rc); -} - -/** - * Implementation of OST_SET_INFO. - * - * OST_SET_INFO is like ioctl(): heavily overloaded. Specifically, it takes a - * "key" and a value RPC buffers as arguments, with the value's contents - * interpreted according to the key. - * - * Value types that need swabbing have swabbing done explicitly, either here or - * in functions called from here. This should be corrected: all swabbing should - * be done in the capsule abstraction, as that will then allow us to move - * swabbing exclusively to the client without having to modify server code - * outside the capsule abstraction's implementation itself. To correct this - * will require minor changes to the capsule abstraction; see the comments for - * req_capsule_extend() in layout.c. - */ -static int ost_set_info(struct obd_export *exp, struct ptlrpc_request *req) -{ - struct ost_body *body = NULL, *repbody; - char *key, *val = NULL; - int keylen, vallen, rc = 0; - int is_grant_shrink = 0; - ENTRY; - - key = req_capsule_client_get(&req->rq_pill, &RMF_SETINFO_KEY); - if (key == NULL) { - DEBUG_REQ(D_HA, req, "no set_info key"); - RETURN(-EFAULT); - } - keylen = req_capsule_get_size(&req->rq_pill, &RMF_SETINFO_KEY, - RCL_CLIENT); - - vallen = req_capsule_get_size(&req->rq_pill, &RMF_SETINFO_VAL, - RCL_CLIENT); - - if ((is_grant_shrink = KEY_IS(KEY_GRANT_SHRINK))) - /* In this case the value is actually an RMF_OST_BODY, so we - * transmutate the type of this PTLRPC */ - req_capsule_extend(&req->rq_pill, &RQF_OST_SET_GRANT_INFO); - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - - if (vallen) { - if (is_grant_shrink) { - body = req_capsule_client_get(&req->rq_pill, - &RMF_OST_BODY); - if (!body) - RETURN(-EFAULT); - - repbody = req_capsule_server_get(&req->rq_pill, - &RMF_OST_BODY); - memcpy(repbody, body, sizeof(*body)); - val = (char*)repbody; - } else { - val = req_capsule_client_get(&req->rq_pill, - &RMF_SETINFO_VAL); - } - } - - if (KEY_IS(KEY_EVICT_BY_NID)) { - if (val && vallen) - obd_export_evict_by_nid(exp->exp_obd, val); - GOTO(out, rc = 0); - } else if (KEY_IS(KEY_MDS_CONN) && ptlrpc_req_need_swab(req)) { - if (vallen < sizeof(__u32)) - RETURN(-EFAULT); - __swab32s((__u32 *)val); - } - - /* OBD will also check if KEY_IS(KEY_GRANT_SHRINK), and will cast val to - * a struct ost_body * value */ - rc = obd_set_info_async(req->rq_svc_thread->t_env, exp, keylen, - key, vallen, val, NULL); -out: - lustre_msg_set_status(req->rq_repmsg, 0); - RETURN(rc); -} - -struct locked_region { - cfs_list_t list; - struct lustre_handle lh; -}; - -static int lock_region(struct obd_export *exp, struct obdo *oa, - unsigned long long begin, unsigned long long end, - cfs_list_t *locked) -{ - struct locked_region *region = NULL; - int rc; - - LASSERT(begin <= end); - OBD_ALLOC_PTR(region); - if (region == NULL) - return -ENOMEM; - - rc = ost_lock_get(exp, oa, begin, end - begin, ®ion->lh, LCK_PR, 0); - if (rc) { - OBD_FREE_PTR(region); - return rc; - } - - CDEBUG(D_OTHER, "ost lock [%llu,%llu], lh=%p\n", - begin, end, ®ion->lh); - cfs_list_add(®ion->list, locked); - - return 0; -} - -static int lock_zero_regions(struct obd_export *exp, struct obdo *oa, - struct ll_user_fiemap *fiemap, - cfs_list_t *locked) +/** + * Validate oa from client. + * If the request comes from 2.0 clients, currently only RSVD seq and IDIF + * req are valid. + * a. objects in Single MDT FS seq = FID_SEQ_OST_MDT0, oi_id != 0 + * b. Echo objects(seq = 2), old echo client still use oi_id/oi_seq to + * pack ost_id. Because non-zero oi_seq will make it diffcult to tell + * whether this is oi_fid or real ostid. So it will check + * OBD_CONNECT_FID, then convert the ostid to FID for old client. + * c. Old FID-disable osc will send IDIF. + * d. new FID-enable osc/osp will send normal FID. + * + * And also oi_id/f_oid should always start from 1. oi_id/f_oid = 0 will + * be used for LAST_ID file, and only being accessed inside OST now. + */ +static int ost_validate_obdo(struct obd_export *exp, struct obdo *oa, + struct obd_ioobj *ioobj) { - __u64 begin = fiemap->fm_start; - unsigned int i; int rc = 0; - struct ll_fiemap_extent *fiemap_start = fiemap->fm_extents; - ENTRY; - - CDEBUG(D_OTHER, "extents count %u\n", fiemap->fm_mapped_extents); - for (i = 0; i < fiemap->fm_mapped_extents; i++) { - if (fiemap_start[i].fe_logical > begin) { - CDEBUG(D_OTHER, "ost lock [%llu,%llu]\n", - begin, fiemap_start[i].fe_logical); - rc = lock_region(exp, oa, begin, - fiemap_start[i].fe_logical, locked); - if (rc) - RETURN(rc); - } - - begin = fiemap_start[i].fe_logical + fiemap_start[i].fe_length; - } - - if (begin < (fiemap->fm_start + fiemap->fm_length)) { - CDEBUG(D_OTHER, "ost lock [%llu,%llu]\n", - begin, fiemap->fm_start + fiemap->fm_length); - rc = lock_region(exp, oa, begin, - fiemap->fm_start + fiemap->fm_length, locked); - } - - RETURN(rc); -} - -static void unlock_zero_regions(struct obd_export *exp, cfs_list_t *locked) -{ - struct locked_region *entry, *temp; - cfs_list_for_each_entry_safe(entry, temp, locked, list) { - CDEBUG(D_OTHER, "ost unlock lh=%p\n", &entry->lh); - ost_lock_put(exp, &entry->lh, LCK_PR); - cfs_list_del(&entry->list); - OBD_FREE_PTR(entry); - } -} - -static int ost_get_info(struct obd_export *exp, struct ptlrpc_request *req) -{ - void *key, *reply; - int keylen, replylen, rc = 0; - struct req_capsule *pill = &req->rq_pill; - cfs_list_t locked = CFS_LIST_HEAD_INIT(locked); - struct ll_fiemap_info_key *fm_key = NULL; - struct ll_user_fiemap *fiemap; - ENTRY; - - /* this common part for get_info rpc */ - key = req_capsule_client_get(pill, &RMF_SETINFO_KEY); - if (key == NULL) { - DEBUG_REQ(D_HA, req, "no get_info key"); - RETURN(-EFAULT); - } - keylen = req_capsule_get_size(pill, &RMF_SETINFO_KEY, RCL_CLIENT); - if (KEY_IS(KEY_FIEMAP)) { - fm_key = key; - rc = ost_validate_obdo(exp, &fm_key->oa, NULL); - if (rc) - RETURN(rc); - } - - rc = obd_get_info(req->rq_svc_thread->t_env, exp, keylen, key, - &replylen, NULL, NULL); - if (rc) - RETURN(rc); - - req_capsule_set_size(pill, &RMF_GENERIC_DATA, - RCL_SERVER, replylen); + if (unlikely(!(exp_connect_flags(exp) & OBD_CONNECT_FID) && + fid_seq_is_echo(oa->o_oi.oi.oi_seq) && oa != NULL)) { + /* Sigh 2.[123] client still sends echo req with oi_id = 0 + * during create, and we will reset this to 1, since this + * oi_id is basically useless in the following create process, + * but oi_id == 0 will make it difficult to tell whether it is + * real FID or ost_id. */ + oa->o_oi.oi_fid.f_oid = oa->o_oi.oi.oi_id ?: 1; + oa->o_oi.oi_fid.f_seq = FID_SEQ_ECHO; + oa->o_oi.oi_fid.f_ver = 0; + } else { + if (unlikely((oa == NULL) || ostid_id(&oa->o_oi) == 0)) + GOTO(out, rc = -EPROTO); - rc = req_capsule_server_pack(pill); - if (rc) - RETURN(rc); - - reply = req_capsule_server_get(pill, &RMF_GENERIC_DATA); - if (reply == NULL) - RETURN(-ENOMEM); - - if (KEY_IS(KEY_LAST_FID)) { - void *val; - int vallen; - - req_capsule_extend(pill, &RQF_OST_GET_INFO_LAST_FID); - val = req_capsule_client_get(pill, &RMF_SETINFO_VAL); - vallen = req_capsule_get_size(pill, &RMF_SETINFO_VAL, - RCL_CLIENT); - if (val != NULL && vallen > 0 && replylen >= vallen) { - memcpy(reply, val, vallen); - } else { - CERROR("%s: invalid req val %p vallen %d replylen %d\n", - exp->exp_obd->obd_name, val, vallen, replylen); - RETURN(-EINVAL); + /* Note: this check might be forced in 2.5 or 2.6, i.e. + * all of the requests are required to setup FLGROUP */ + if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP))) { + ostid_set_seq_mdt0(&oa->o_oi); + if (ioobj) + ostid_set_seq_mdt0(&ioobj->ioo_oid); + oa->o_valid |= OBD_MD_FLGROUP; } - } - /* call again to fill in the reply buffer */ - rc = obd_get_info(req->rq_svc_thread->t_env, exp, keylen, key, - &replylen, reply, NULL); - - /* LU-3219: Lock the sparse areas to make sure dirty flushed back - * from client, then call fiemap again. */ - if (KEY_IS(KEY_FIEMAP) && (fm_key->oa.o_valid & OBD_MD_FLFLAGS) && - (fm_key->oa.o_flags & OBD_FL_SRVLOCK)) { - fiemap = (struct ll_user_fiemap *)reply; - fm_key = key; - - rc = lock_zero_regions(exp, &fm_key->oa, fiemap, &locked); - if (rc == 0 && !cfs_list_empty(&locked)) - rc = obd_get_info(req->rq_svc_thread->t_env, exp, - keylen, key, &replylen, reply, NULL); - unlock_zero_regions(exp, &locked); - if (rc) - RETURN(rc); + if (unlikely(!(fid_seq_is_idif(ostid_seq(&oa->o_oi)) || + fid_seq_is_mdt0(ostid_seq(&oa->o_oi)) || + fid_seq_is_norm(ostid_seq(&oa->o_oi)) || + fid_seq_is_echo(ostid_seq(&oa->o_oi))))) + GOTO(out, rc = -EPROTO); } - lustre_msg_set_status(req->rq_repmsg, 0); - - RETURN(rc); -} - -static int ost_handle_quotactl(struct ptlrpc_request *req) -{ - struct obd_quotactl *oqctl, *repoqc; - int rc; - ENTRY; - - oqctl = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL); - if (oqctl == NULL) - GOTO(out, rc = -EPROTO); - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - GOTO(out, rc); - - repoqc = req_capsule_server_get(&req->rq_pill, &RMF_OBD_QUOTACTL); - req->rq_status = obd_quotactl(req->rq_export, oqctl); - *repoqc = *oqctl; - -out: - RETURN(rc); -} - -static int ost_handle_quotacheck(struct ptlrpc_request *req) -{ - struct obd_quotactl *oqctl; - int rc; - ENTRY; - - oqctl = req_capsule_client_get(&req->rq_pill, &RMF_OBD_QUOTACTL); - if (oqctl == NULL) - RETURN(-EPROTO); - - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(-ENOMEM); - - /* deprecated, not used any more */ - req->rq_status = -EOPNOTSUPP; - RETURN(-EOPNOTSUPP); -} - -static int ost_llog_handle_connect(struct obd_export *exp, - struct ptlrpc_request *req) -{ - struct llogd_conn_body *body; - int rc; - ENTRY; - - body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_CONN_BODY); - rc = obd_llog_connect(exp, body); - RETURN(rc); -} - -#define ost_init_sec_none(reply) \ -do { \ - reply->ocd_connect_flags &= ~(OBD_CONNECT_RMT_CLIENT | \ - OBD_CONNECT_RMT_CLIENT_FORCE | \ - OBD_CONNECT_OSS_CAPA); \ -} while (0) - -static int ost_init_sec_level(struct ptlrpc_request *req) -{ - struct obd_export *exp = req->rq_export; - struct req_capsule *pill = &req->rq_pill; - struct obd_device *obd = exp->exp_obd; - struct filter_obd *filter = &obd->u.filter; - char *client = libcfs_nid2str(req->rq_peer.nid); - struct obd_connect_data *data, *reply; - int rc = 0, remote; - ENTRY; - - data = req_capsule_client_get(pill, &RMF_CONNECT_DATA); - reply = req_capsule_server_get(pill, &RMF_CONNECT_DATA); - if (data == NULL || reply == NULL) - RETURN(-EFAULT); - - /* connection from MDT is always trusted */ - if (req->rq_auth_usr_mdt) { - ost_init_sec_none(reply); - RETURN(0); - } - - /* no GSS support case */ - if (!req->rq_auth_gss) { - if (filter->fo_sec_level > LUSTRE_SEC_NONE) { - CWARN("client %s -> target %s does not user GSS, " - "can not run under security level %d.\n", - client, obd->obd_name, filter->fo_sec_level); - RETURN(-EACCES); - } else { - ost_init_sec_none(reply); - RETURN(0); - } - } - - /* old version case */ - if (unlikely(!(data->ocd_connect_flags & OBD_CONNECT_RMT_CLIENT) || - !(data->ocd_connect_flags & OBD_CONNECT_OSS_CAPA))) { - if (filter->fo_sec_level > LUSTRE_SEC_NONE) { - CWARN("client %s -> target %s uses old version, " - "can not run under security level %d.\n", - client, obd->obd_name, filter->fo_sec_level); - RETURN(-EACCES); - } else { - CWARN("client %s -> target %s uses old version, " - "run under security level %d.\n", - client, obd->obd_name, filter->fo_sec_level); - ost_init_sec_none(reply); - RETURN(0); - } - } - - remote = data->ocd_connect_flags & OBD_CONNECT_RMT_CLIENT_FORCE; - if (remote) { - if (!req->rq_auth_remote) - CDEBUG(D_SEC, "client (local realm) %s -> target %s " - "asked to be remote.\n", client, obd->obd_name); - } else if (req->rq_auth_remote) { - remote = 1; - CDEBUG(D_SEC, "client (remote realm) %s -> target %s is set " - "as remote by default.\n", client, obd->obd_name); - } - - if (remote) { - if (!filter->fo_fl_oss_capa) { - CDEBUG(D_SEC, "client %s -> target %s is set as remote," - " but OSS capabilities are not enabled: %d.\n", - client, obd->obd_name, filter->fo_fl_oss_capa); - RETURN(-EACCES); - } - } - - switch (filter->fo_sec_level) { - case LUSTRE_SEC_NONE: - if (!remote) { - ost_init_sec_none(reply); - break; - } else { - CDEBUG(D_SEC, "client %s -> target %s is set as remote, " - "can not run under security level %d.\n", - client, obd->obd_name, filter->fo_sec_level); - RETURN(-EACCES); - } - case LUSTRE_SEC_REMOTE: - if (!remote) - ost_init_sec_none(reply); - break; - case LUSTRE_SEC_ALL: - if (!remote) { - reply->ocd_connect_flags &= ~(OBD_CONNECT_RMT_CLIENT | - OBD_CONNECT_RMT_CLIENT_FORCE); - if (!filter->fo_fl_oss_capa) - reply->ocd_connect_flags &= ~OBD_CONNECT_OSS_CAPA; - } - break; - default: - RETURN(-EINVAL); - } - - RETURN(rc); -} - -/* - * FIXME - * this should be done in filter_connect()/filter_reconnect(), but - * we can't obtain information like NID, which stored in incoming - * request, thus can't decide what flavor to use. so we do it here. - * - * This hack should be removed after the OST stack be rewritten, just - * like what we are doing in mdt_obd_connect()/mdt_obd_reconnect(). - */ -static int ost_connect_check_sptlrpc(struct ptlrpc_request *req) -{ - struct obd_export *exp = req->rq_export; - struct filter_obd *filter = &exp->exp_obd->u.filter; - struct sptlrpc_flavor flvr; - int rc = 0; - - if (unlikely(strcmp(exp->exp_obd->obd_type->typ_name, - LUSTRE_ECHO_NAME) == 0)) { - exp->exp_flvr.sf_rpc = SPTLRPC_FLVR_ANY; - return 0; - } - - if (exp->exp_flvr.sf_rpc == SPTLRPC_FLVR_INVALID) { - read_lock(&filter->fo_sptlrpc_lock); - sptlrpc_target_choose_flavor(&filter->fo_sptlrpc_rset, - req->rq_sp_from, - req->rq_peer.nid, - &flvr); - read_unlock(&filter->fo_sptlrpc_lock); - - spin_lock(&exp->exp_lock); - - exp->exp_sp_peer = req->rq_sp_from; - exp->exp_flvr = flvr; - - if (exp->exp_flvr.sf_rpc != SPTLRPC_FLVR_ANY && - exp->exp_flvr.sf_rpc != req->rq_flvr.sf_rpc) { - CERROR("unauthorized rpc flavor %x from %s, " - "expect %x\n", req->rq_flvr.sf_rpc, - libcfs_nid2str(req->rq_peer.nid), - exp->exp_flvr.sf_rpc); - rc = -EACCES; - } - - spin_unlock(&exp->exp_lock); - } else { - if (exp->exp_sp_peer != req->rq_sp_from) { - CERROR("RPC source %s doesn't match %s\n", - sptlrpc_part2name(req->rq_sp_from), - sptlrpc_part2name(exp->exp_sp_peer)); - rc = -EACCES; - } else { - rc = sptlrpc_target_export_check(exp, req); - } - } - - return rc; -} - -/* Ensure that data and metadata are synced to the disk when lock is cancelled - * (if requested) */ -int ost_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, - void *data, int flag) -{ - struct lu_env env; - __u32 sync_lock_cancel = 0; - __u32 len = sizeof(sync_lock_cancel); - int rc = 0; - - ENTRY; + if (ioobj != NULL) { + unsigned max_brw = ioobj_max_brw_get(ioobj); - rc = lu_env_init(&env, LCT_DT_THREAD); - if (unlikely(rc != 0)) - RETURN(rc); - - rc = obd_get_info(&env, lock->l_export, sizeof(KEY_SYNC_LOCK_CANCEL), - KEY_SYNC_LOCK_CANCEL, &len, &sync_lock_cancel, NULL); - if (rc == 0 && flag == LDLM_CB_CANCELING && - (lock->l_granted_mode & (LCK_PW|LCK_GROUP)) && - (sync_lock_cancel == ALWAYS_SYNC_ON_CANCEL || - (sync_lock_cancel == BLOCKING_SYNC_ON_CANCEL && - lock->l_flags & LDLM_FL_CBPENDING))) { - struct obd_info *oinfo; - struct obdo *oa; - int rc; - - OBD_ALLOC_PTR(oinfo); - if (!oinfo) - GOTO(out_env, rc = -ENOMEM); - OBDO_ALLOC(oa); - if (!oa) { - OBD_FREE_PTR(oinfo); - GOTO(out_env, rc = -ENOMEM); + if (unlikely((max_brw & (max_brw - 1)) != 0)) { + CERROR("%s: client %s sent bad ioobj max %u for "DOSTID + ": rc = -EPROTO\n", exp->exp_obd->obd_name, + obd_export_nid2str(exp), max_brw, + POSTID(&oa->o_oi)); + GOTO(out, rc = -EPROTO); } - - ostid_res_name_to_id(&oa->o_oi, &lock->l_resource->lr_name); - oa->o_valid = OBD_MD_FLID|OBD_MD_FLGROUP; - oinfo->oi_oa = oa; - oinfo->oi_capa = BYPASS_CAPA; - - rc = obd_sync(&env, lock->l_export, oinfo, - lock->l_policy_data.l_extent.start, - lock->l_policy_data.l_extent.end, NULL); - if (rc) - CERROR("Error %d syncing data on lock cancel\n", rc); - - OBDO_FREE(oa); - OBD_FREE_PTR(oinfo); + ioobj->ioo_oid = oa->o_oi; } - rc = ldlm_server_blocking_ast(lock, desc, data, flag); -out_env: - lu_env_fini(&env); - RETURN(rc); -} - -static int ost_filter_recovery_request(struct ptlrpc_request *req, - struct obd_device *obd, int *process) -{ - switch (lustre_msg_get_opc(req->rq_reqmsg)) { - case OST_CONNECT: /* This will never get here, but for completeness. */ - case OST_DISCONNECT: - *process = 1; - RETURN(0); - - case OBD_PING: - case OST_CREATE: - case OST_DESTROY: - case OST_PUNCH: - case OST_SETATTR: - case OST_SYNC: - case OST_WRITE: - case OBD_LOG_CANCEL: - case LDLM_ENQUEUE: - *process = target_queue_recovery_request(req, obd); - RETURN(0); - - default: - DEBUG_REQ(D_WARNING, req, "not permitted during recovery"); - *process = -EAGAIN; - RETURN(0); - } -} - -int ost_msg_check_version(struct lustre_msg *msg) -{ - int rc; - - switch(lustre_msg_get_opc(msg)) { - case OST_CONNECT: - case OST_DISCONNECT: - case OBD_PING: - case SEC_CTX_INIT: - case SEC_CTX_INIT_CONT: - case SEC_CTX_FINI: - rc = lustre_msg_check_version(msg, LUSTRE_OBD_VERSION); - if (rc) - CERROR("bad opc %u version %08x, expecting %08x\n", - lustre_msg_get_opc(msg), - lustre_msg_get_version(msg), - LUSTRE_OBD_VERSION); - break; - case OST_CREATE: - case OST_DESTROY: - case OST_GETATTR: - case OST_SETATTR: - case OST_WRITE: - case OST_READ: - case OST_PUNCH: - case OST_STATFS: - case OST_SYNC: - case OST_SET_INFO: - case OST_GET_INFO: - case OST_QUOTACHECK: - case OST_QUOTACTL: - rc = lustre_msg_check_version(msg, LUSTRE_OST_VERSION); - if (rc) - CERROR("bad opc %u version %08x, expecting %08x\n", - lustre_msg_get_opc(msg), - lustre_msg_get_version(msg), - LUSTRE_OST_VERSION); - break; - case LDLM_ENQUEUE: - case LDLM_CONVERT: - case LDLM_CANCEL: - case LDLM_BL_CALLBACK: - case LDLM_CP_CALLBACK: - rc = lustre_msg_check_version(msg, LUSTRE_DLM_VERSION); - if (rc) - CERROR("bad opc %u version %08x, expecting %08x\n", - lustre_msg_get_opc(msg), - lustre_msg_get_version(msg), - LUSTRE_DLM_VERSION); - break; - case LLOG_ORIGIN_CONNECT: - case OBD_LOG_CANCEL: - rc = lustre_msg_check_version(msg, LUSTRE_LOG_VERSION); - if (rc) - CERROR("bad opc %u version %08x, expecting %08x\n", - lustre_msg_get_opc(msg), - lustre_msg_get_version(msg), - LUSTRE_LOG_VERSION); - break; - case OST_QUOTA_ADJUST_QUNIT: - rc = -ENOTSUPP; - CERROR("Quota adjust is deprecated as of 2.4.0\n"); - break; - default: - CERROR("Unexpected opcode %d\n", lustre_msg_get_opc(msg)); - rc = -ENOTSUPP; - } - return rc; +out: + if (rc != 0) + CERROR("%s: client %s sent bad object "DOSTID": rc = %d\n", + exp->exp_obd->obd_name, obd_export_nid2str(exp), + oa ? ostid_seq(&oa->o_oi) : -1, + oa ? ostid_id(&oa->o_oi) : -1, rc); + return rc; } struct ost_prolong_data { @@ -2277,330 +534,6 @@ static int ost_io_hpreq_handler(struct ptlrpc_request *req) RETURN(0); } -/* TODO: handle requests in a similar way as MDT: see mdt_handle_common() */ -int ost_handle(struct ptlrpc_request *req) -{ - struct obd_trans_info trans_info = { 0, }; - struct obd_trans_info *oti = &trans_info; - int should_process, fail = OBD_FAIL_OST_ALL_REPLY_NET, rc = 0; - struct obd_device *obd = NULL; - __u32 opc = lustre_msg_get_opc(req->rq_reqmsg); - ENTRY; - - /* OST module is kept between remounts, but the last reference - * to specific module (say, osd or ofd) kills all related keys - * from the environment. so we have to refill it until the root - * cause is fixed properly */ - lu_env_refill(req->rq_svc_thread->t_env); - - LASSERT(current->journal_info == NULL); - - /* primordial rpcs don't affect server recovery */ - switch (opc) { - case SEC_CTX_INIT: - case SEC_CTX_INIT_CONT: - case SEC_CTX_FINI: - GOTO(out, rc = 0); - } - - req_capsule_init(&req->rq_pill, req, RCL_SERVER); - - if (opc != OST_CONNECT) { - if (!class_connected_export(req->rq_export)) { - CDEBUG(D_HA,"operation %d on unconnected OST from %s\n", - opc, libcfs_id2str(req->rq_peer)); - req->rq_status = -ENOTCONN; - GOTO(out, rc = -ENOTCONN); - } - - obd = req->rq_export->exp_obd; - - /* Check for aborted recovery. */ - if (obd->obd_recovering) { - rc = ost_filter_recovery_request(req, obd, - &should_process); - if (rc || !should_process) - RETURN(rc); - else if (should_process < 0) { - req->rq_status = should_process; - rc = ptlrpc_error(req); - RETURN(rc); - } - } - } - - oti_init(oti, req); - - rc = ost_msg_check_version(req->rq_reqmsg); - if (rc) - RETURN(rc); - - if (req && req->rq_reqmsg && req->rq_export && - (exp_connect_flags(req->rq_export) & OBD_CONNECT_JOBSTATS)) - oti->oti_jobid = lustre_msg_get_jobid(req->rq_reqmsg); - - switch (opc) { - case OST_CONNECT: { - CDEBUG(D_INODE, "connect\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_CONNECT); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_CONNECT_NET)) - RETURN(0); - rc = target_handle_connect(req); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_CONNECT_NET2)) - RETURN(0); - if (!rc) { - rc = ost_init_sec_level(req); - if (!rc) - rc = ost_connect_check_sptlrpc(req); - } - if (rc == 0) { - struct obd_export *exp = req->rq_export; - struct obd_connect_data *reply; - /* Now that connection handling has completed - * successfully, atomically update the connect flags - * in the shared export data structure.*/ - reply = req_capsule_server_get(&req->rq_pill, - &RMF_CONNECT_DATA); - spin_lock(&exp->exp_lock); - exp->exp_connect_data = *reply; - spin_unlock(&exp->exp_lock); - } - break; - } - case OST_DISCONNECT: - CDEBUG(D_INODE, "disconnect\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_DISCONNECT); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_DISCONNECT_NET)) - RETURN(0); - rc = target_handle_disconnect(req); - break; - case OST_CREATE: - CDEBUG(D_INODE, "create\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_CREATE); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_CREATE_NET)) - RETURN(0); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS)) - GOTO(out, rc = -EROFS); - rc = ost_create(req->rq_export, req, oti); - break; - case OST_DESTROY: - CDEBUG(D_INODE, "destroy\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_DESTROY); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_DESTROY_NET)) - RETURN(0); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS)) - GOTO(out, rc = -EROFS); - rc = ost_destroy(req->rq_export, req, oti); - break; - case OST_GETATTR: - CDEBUG(D_INODE, "getattr\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_GETATTR); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_GETATTR_NET)) - RETURN(0); - rc = ost_getattr(req->rq_export, req); - break; - case OST_SETATTR: - CDEBUG(D_INODE, "setattr\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_SETATTR); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_SETATTR_NET)) - RETURN(0); - rc = ost_setattr(req->rq_export, req, oti); - break; - case OST_WRITE: - req_capsule_set(&req->rq_pill, &RQF_OST_BRW_WRITE); - CDEBUG(D_INODE, "write\n"); - /* req->rq_request_portal would be nice, if it was set */ - if (ptlrpc_req2svc(req)->srv_req_portal != OST_IO_PORTAL) { - CERROR("%s: deny write request from %s to portal %u\n", - req->rq_export->exp_obd->obd_name, - obd_export_nid2str(req->rq_export), - ptlrpc_req2svc(req)->srv_req_portal); - GOTO(out, rc = -EPROTO); - } - if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_NET)) - RETURN(0); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOSPC)) - GOTO(out, rc = -ENOSPC); - if (OBD_FAIL_TIMEOUT(OBD_FAIL_OST_EROFS, 1)) - GOTO(out, rc = -EROFS); - rc = ost_brw_write(req, oti); - LASSERT(current->journal_info == NULL); - /* ost_brw_write sends its own replies */ - RETURN(rc); - case OST_READ: - req_capsule_set(&req->rq_pill, &RQF_OST_BRW_READ); - CDEBUG(D_INODE, "read\n"); - /* req->rq_request_portal would be nice, if it was set */ - if (ptlrpc_req2svc(req)->srv_req_portal != OST_IO_PORTAL) { - CERROR("%s: deny read request from %s to portal %u\n", - req->rq_export->exp_obd->obd_name, - obd_export_nid2str(req->rq_export), - ptlrpc_req2svc(req)->srv_req_portal); - GOTO(out, rc = -EPROTO); - } - if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_NET)) - RETURN(0); - rc = ost_brw_read(req, oti); - LASSERT(current->journal_info == NULL); - /* ost_brw_read sends its own replies */ - RETURN(rc); - case OST_PUNCH: - CDEBUG(D_INODE, "punch\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_PUNCH); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_PUNCH_NET)) - RETURN(0); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_EROFS)) - GOTO(out, rc = -EROFS); - rc = ost_punch(req->rq_export, req, oti); - break; - case OST_STATFS: - CDEBUG(D_INODE, "statfs\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_STATFS); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_STATFS_NET)) - RETURN(0); - rc = ost_statfs(req); - break; - case OST_SYNC: - CDEBUG(D_INODE, "sync\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_SYNC); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_SYNC_NET)) - RETURN(0); - rc = ost_sync(req->rq_export, req, oti); - break; - case OST_SET_INFO: - DEBUG_REQ(D_INODE, req, "set_info"); - req_capsule_set(&req->rq_pill, &RQF_OBD_SET_INFO); - rc = ost_set_info(req->rq_export, req); - break; - case OST_GET_INFO: - DEBUG_REQ(D_INODE, req, "get_info"); - req_capsule_set(&req->rq_pill, &RQF_OST_GET_INFO_GENERIC); - rc = ost_get_info(req->rq_export, req); - break; - case OST_QUOTACHECK: - CDEBUG(D_INODE, "quotacheck\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_QUOTACHECK); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_QUOTACHECK_NET)) - RETURN(0); - rc = ost_handle_quotacheck(req); - break; - case OST_QUOTACTL: - CDEBUG(D_INODE, "quotactl\n"); - req_capsule_set(&req->rq_pill, &RQF_OST_QUOTACTL); - if (OBD_FAIL_CHECK(OBD_FAIL_OST_QUOTACTL_NET)) - RETURN(0); - rc = ost_handle_quotactl(req); - break; - case OBD_PING: - DEBUG_REQ(D_INODE, req, "ping"); - req_capsule_set(&req->rq_pill, &RQF_OBD_PING); - rc = target_handle_ping(req); - break; - /* FIXME - just reply status */ - case LLOG_ORIGIN_CONNECT: - DEBUG_REQ(D_INODE, req, "log connect"); - req_capsule_set(&req->rq_pill, &RQF_LLOG_ORIGIN_CONNECT); - rc = ost_llog_handle_connect(req->rq_export, req); - req->rq_status = rc; - rc = req_capsule_server_pack(&req->rq_pill); - if (rc) - RETURN(rc); - RETURN(ptlrpc_reply(req)); - case LDLM_ENQUEUE: - CDEBUG(D_INODE, "enqueue\n"); - req_capsule_set(&req->rq_pill, &RQF_LDLM_ENQUEUE); - if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_ENQUEUE_NET)) - RETURN(0); - rc = ldlm_handle_enqueue(req, ldlm_server_completion_ast, - ost_blocking_ast, - ldlm_server_glimpse_ast); - fail = OBD_FAIL_OST_LDLM_REPLY_NET; - break; - case LDLM_CONVERT: - CDEBUG(D_INODE, "convert\n"); - req_capsule_set(&req->rq_pill, &RQF_LDLM_CONVERT); - if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CONVERT_NET)) - RETURN(0); - rc = ldlm_handle_convert(req); - break; - case LDLM_CANCEL: - CDEBUG(D_INODE, "cancel\n"); - req_capsule_set(&req->rq_pill, &RQF_LDLM_CANCEL); - if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CANCEL_NET)) - RETURN(0); - rc = ldlm_handle_cancel(req); - break; - case LDLM_BL_CALLBACK: - case LDLM_CP_CALLBACK: - CDEBUG(D_INODE, "callback\n"); - CERROR("callbacks should not happen on OST\n"); - /* fall through */ - default: - CERROR("Unexpected opcode %d\n", opc); - req->rq_status = -ENOTSUPP; - rc = ptlrpc_error(req); - RETURN(rc); - } - - LASSERT(current->journal_info == NULL); - - EXIT; - /* If we're DISCONNECTing, the export_data is already freed */ - if (!rc && opc != OST_DISCONNECT) - target_committed_to_req(req); - -out: - if (!rc) - oti_to_request(oti, req); - - target_send_reply(req, rc, fail); - return 0; -} -EXPORT_SYMBOL(ost_handle); - -/* - * free per-thread pool created by ost_io_thread_init(). - */ -static void ost_io_thread_done(struct ptlrpc_thread *thread) -{ - struct ost_thread_local_cache *tls; /* TLS stands for Thread-Local - * Storage */ - - ENTRY; - - LASSERT(thread != NULL); - - /* - * be prepared to handle partially-initialized pools (because this is - * called from ost_io_thread_init() for cleanup. - */ - tls = thread->t_data; - if (tls != NULL) { - OBD_FREE_PTR(tls); - thread->t_data = NULL; - } - EXIT; -} - -/* - * initialize per-thread page pool (bug 5137). - */ -static int ost_io_thread_init(struct ptlrpc_thread *thread) -{ - struct ost_thread_local_cache *tls; - - ENTRY; - - LASSERT(thread != NULL); - LASSERT(thread->t_data == NULL); - - OBD_ALLOC_PTR(tls); - if (tls == NULL) - RETURN(-ENOMEM); - thread->t_data = tls; - RETURN(0); -} - #define OST_WATCHDOG_TIMEOUT (obd_timeout * 1000) static struct cfs_cpt_table *ost_io_cptable; @@ -2649,7 +582,7 @@ static int ost_setup(struct obd_device *obd, struct lustre_cfg* lcfg) .cc_pattern = oss_cpts, }, .psc_ops = { - .so_req_handler = ost_handle, + .so_req_handler = tgt_request_handle, .so_req_printer = target_print_req, .so_hpreq_handler = ptlrpc_hpreq_handler, }, @@ -2688,7 +621,7 @@ static int ost_setup(struct obd_device *obd, struct lustre_cfg* lcfg) .cc_pattern = oss_cpts, }, .psc_ops = { - .so_req_handler = ost_handle, + .so_req_handler = tgt_request_handle, .so_req_printer = target_print_req, }, }; @@ -2753,9 +686,9 @@ static int ost_setup(struct obd_device *obd, struct lustre_cfg* lcfg) oss_io_cpts : NULL, }, .psc_ops = { - .so_thr_init = ost_io_thread_init, - .so_thr_done = ost_io_thread_done, - .so_req_handler = ost_handle, + .so_thr_init = tgt_io_thread_init, + .so_thr_done = tgt_io_thread_done, + .so_req_handler = tgt_request_handle, .so_hpreq_handler = ost_io_hpreq_handler, .so_req_printer = target_print_req, }, @@ -2810,7 +743,6 @@ static int ost_setup(struct obd_device *obd, struct lustre_cfg* lcfg) GOTO(out_io, rc); } -#if 0 /* Object update service */ memset(&svc_conf, 0, sizeof(svc_conf)); svc_conf = (typeof(svc_conf)) { @@ -2855,10 +787,13 @@ static int ost_setup(struct obd_device *obd, struct lustre_cfg* lcfg) ost->ost_out_service = NULL; GOTO(out_seq, rc); } -#endif + ping_evictor_start(); RETURN(0); +out_seq: + ptlrpc_unregister_service(ost->ost_seq_service); + ost->ost_seq_service = NULL; out_io: ptlrpc_unregister_service(ost->ost_io_service); ost->ost_io_service = NULL; @@ -2889,9 +824,8 @@ static int ost_cleanup(struct obd_device *obd) ptlrpc_unregister_service(ost->ost_create_service); ptlrpc_unregister_service(ost->ost_io_service); ptlrpc_unregister_service(ost->ost_seq_service); -#if 0 ptlrpc_unregister_service(ost->ost_out_service); -#endif + ost->ost_service = NULL; ost->ost_create_service = NULL; ost->ost_io_service = NULL; @@ -2931,11 +865,6 @@ static int ost_health_check(const struct lu_env *env, struct obd_device *obd) return rc; } -struct ost_thread_local_cache *ost_tls(struct ptlrpc_request *r) -{ - return (struct ost_thread_local_cache *)(r->rq_svc_thread->t_data); -} - /* use obd ops to offer management infrastructure */ static struct obd_ops ost_obd_ops = { .o_owner = THIS_MODULE, @@ -2947,11 +876,10 @@ static struct obd_ops ost_obd_ops = { static int __init ost_init(void) { - struct lprocfs_static_vars lvars; - int rc; - ENTRY; + struct lprocfs_static_vars lvars; + int rc; - ost_page_to_corrupt = alloc_page(GFP_IOFS); + ENTRY; lprocfs_ost_init_vars(&lvars); rc = class_register_type(&ost_obd_ops, NULL, lvars.module_vars, @@ -2969,10 +897,7 @@ static int __init ost_init(void) static void /*__exit*/ ost_exit(void) { - if (ost_page_to_corrupt) - page_cache_release(ost_page_to_corrupt); - - class_unregister_type(LUSTRE_OSS_NAME); + class_unregister_type(LUSTRE_OSS_NAME); } MODULE_AUTHOR("Sun Microsystems, Inc. "); diff --git a/lustre/ost/ost_internal.h b/lustre/ost/ost_internal.h index d07b8ea..8b475a1 100644 --- a/lustre/ost/ost_internal.h +++ b/lustre/ost/ost_internal.h @@ -39,31 +39,6 @@ #define OSS_SERVICE_WATCHDOG_FACTOR 2 -/* - * tunables for per-thread page pool (bug 5137) - */ -#define OST_THREAD_POOL_SIZE PTLRPC_MAX_BRW_PAGES /* pool size in pages */ -#define OST_THREAD_POOL_GFP GFP_HIGHUSER /* GFP mask for pool pages */ - -struct page; -struct niobuf_local; -struct niobuf_remote; -struct ptlrpc_request; - -/* - * struct ost_thread_local_cache is allocated and initialized for each OST - * thread by ost_thread_init(). - */ -struct ost_thread_local_cache { - /* - * pool of nio buffers used by write-path - */ - struct niobuf_local local[OST_THREAD_POOL_SIZE]; - unsigned int temporary:1; -}; - -struct ost_thread_local_cache *ost_tls(struct ptlrpc_request *r); - #ifdef LPROCFS void lprocfs_ost_init_vars(struct lprocfs_static_vars *lvars); #else diff --git a/lustre/ptlrpc/layout.c b/lustre/ptlrpc/layout.c index c793bb4..5b3b648 100644 --- a/lustre/ptlrpc/layout.c +++ b/lustre/ptlrpc/layout.c @@ -610,7 +610,7 @@ static const struct req_msg_field *ost_get_info_generic_server[] = { static const struct req_msg_field *ost_get_info_generic_client[] = { &RMF_PTLRPC_BODY, - &RMF_SETINFO_KEY + &RMF_GETINFO_KEY }; static const struct req_msg_field *ost_get_last_id_server[] = { @@ -618,6 +618,12 @@ static const struct req_msg_field *ost_get_last_id_server[] = { &RMF_OBD_ID }; +static const struct req_msg_field *ost_get_last_fid_client[] = { + &RMF_PTLRPC_BODY, + &RMF_GETINFO_KEY, + &RMF_FID, +}; + static const struct req_msg_field *ost_get_last_fid_server[] = { &RMF_PTLRPC_BODY, &RMF_FID, @@ -742,7 +748,7 @@ static struct req_format *req_formats[] = { &RQF_OST_BRW_WRITE, &RQF_OST_STATFS, &RQF_OST_SET_GRANT_INFO, - &RQF_OST_GET_INFO_GENERIC, + &RQF_OST_GET_INFO, &RQF_OST_GET_INFO_LAST_ID, &RQF_OST_GET_INFO_LAST_FID, &RQF_OST_SET_INFO_LAST_FID, @@ -1617,10 +1623,10 @@ struct req_format RQF_OST_SET_GRANT_INFO = ost_body_only); EXPORT_SYMBOL(RQF_OST_SET_GRANT_INFO); -struct req_format RQF_OST_GET_INFO_GENERIC = +struct req_format RQF_OST_GET_INFO = DEFINE_REQ_FMT0("OST_GET_INFO", ost_get_info_generic_client, ost_get_info_generic_server); -EXPORT_SYMBOL(RQF_OST_GET_INFO_GENERIC); +EXPORT_SYMBOL(RQF_OST_GET_INFO); struct req_format RQF_OST_GET_INFO_LAST_ID = DEFINE_REQ_FMT0("OST_GET_INFO_LAST_ID", ost_get_info_generic_client, @@ -1628,7 +1634,7 @@ struct req_format RQF_OST_GET_INFO_LAST_ID = EXPORT_SYMBOL(RQF_OST_GET_INFO_LAST_ID); struct req_format RQF_OST_GET_INFO_LAST_FID = - DEFINE_REQ_FMT0("OST_GET_INFO_LAST_FID", obd_set_info_client, + DEFINE_REQ_FMT0("OST_GET_INFO_LAST_FID", ost_get_last_fid_client, ost_get_last_fid_server); EXPORT_SYMBOL(RQF_OST_GET_INFO_LAST_FID); diff --git a/lustre/target/tgt_handler.c b/lustre/target/tgt_handler.c index e3e63db..6889115 100644 --- a/lustre/target/tgt_handler.c +++ b/lustre/target/tgt_handler.c @@ -36,6 +36,7 @@ #include #include +#include #include "tgt_internal.h" @@ -109,6 +110,147 @@ static int tgt_mdt_body_unpack(struct tgt_session_info *tsi, __u32 flags) RETURN(rc); } +/** + * Validate oa from client. + * If the request comes from 2.0 clients, currently only RSVD seq and IDIF + * req are valid. + * a. objects in Single MDT FS seq = FID_SEQ_OST_MDT0, oi_id != 0 + * b. Echo objects(seq = 2), old echo client still use oi_id/oi_seq to + * pack ost_id. Because non-zero oi_seq will make it diffcult to tell + * whether this is oi_fid or real ostid. So it will check + * OBD_CONNECT_FID, then convert the ostid to FID for old client. + * c. Old FID-disable osc will send IDIF. + * d. new FID-enable osc/osp will send normal FID. + * + * And also oi_id/f_oid should always start from 1. oi_id/f_oid = 0 will + * be used for LAST_ID file, and only being accessed inside OST now. + */ +int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa) +{ + int rc; + + ENTRY; + + if (unlikely(!(exp_connect_flags(tsi->tsi_exp) & OBD_CONNECT_FID) && + fid_seq_is_echo(oa->o_oi.oi.oi_seq))) { + /* Sigh 2.[123] client still sends echo req with oi_id = 0 + * during create, and we will reset this to 1, since this + * oi_id is basically useless in the following create process, + * but oi_id == 0 will make it difficult to tell whether it is + * real FID or ost_id. */ + oa->o_oi.oi_fid.f_oid = oa->o_oi.oi.oi_id ?: 1; + oa->o_oi.oi_fid.f_seq = FID_SEQ_ECHO; + oa->o_oi.oi_fid.f_ver = 0; + } else { + if (unlikely((oa->o_valid & OBD_MD_FLID && + ostid_id(&oa->o_oi) == 0))) + GOTO(out, rc = -EPROTO); + + /* Note: this check might be forced in 2.5 or 2.6, i.e. + * all of the requests are required to setup FLGROUP */ + if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP))) { + ostid_set_seq_mdt0(&oa->o_oi); + oa->o_valid |= OBD_MD_FLGROUP; + } + + if (unlikely(!(fid_seq_is_idif(ostid_seq(&oa->o_oi)) || + fid_seq_is_mdt0(ostid_seq(&oa->o_oi)) || + fid_seq_is_norm(ostid_seq(&oa->o_oi)) || + fid_seq_is_echo(ostid_seq(&oa->o_oi))))) + GOTO(out, rc = -EPROTO); + } + RETURN(0); +out: + CERROR("%s: client %s sent bad object "DOSTID": rc = %d\n", + tgt_name(tsi->tsi_tgt), obd_export_nid2str(tsi->tsi_exp), + ostid_seq(&oa->o_oi), ostid_id(&oa->o_oi), rc); + return rc; +} +EXPORT_SYMBOL(tgt_validate_obdo); + +static int tgt_ost_body_unpack(struct tgt_session_info *tsi, __u32 flags) +{ + struct ost_body *body; + struct req_capsule *pill = tsi->tsi_pill; + struct lustre_capa *capa; + struct obd_ioobj *ioo; + int rc; + + ENTRY; + + body = req_capsule_client_get(pill, &RMF_OST_BODY); + if (body == NULL) + RETURN(-EFAULT); + + rc = tgt_validate_obdo(tsi, &body->oa); + if (rc) + RETURN(rc); + + if (body->oa.o_valid & OBD_MD_FLOSSCAPA) { + capa = req_capsule_client_get(tsi->tsi_pill, &RMF_CAPA1); + if (capa == NULL) { + CERROR("%s: OSSCAPA flag is set without capability\n", + tgt_name(tsi->tsi_tgt)); + RETURN(-EFAULT); + } + } + + tsi->tsi_ost_body = body; + + if (req_capsule_has_field(pill, &RMF_OBD_IOOBJ, RCL_CLIENT)) { + unsigned max_brw; + struct niobuf_remote *rnb; + + ioo = req_capsule_client_get(pill, &RMF_OBD_IOOBJ); + if (ioo == NULL) + RETURN(-EPROTO); + + rnb = req_capsule_client_get(pill, &RMF_NIOBUF_REMOTE); + if (rnb == NULL) + RETURN(-EPROTO); + + max_brw = ioobj_max_brw_get(ioo); + if (unlikely((max_brw & (max_brw - 1)) != 0)) { + CERROR("%s: client %s sent bad ioobj max %u for "DOSTID + ": rc = %d\n", tgt_name(tsi->tsi_tgt), + obd_export_nid2str(tsi->tsi_exp), max_brw, + POSTID(&body->oa.o_oi), -EPROTO); + RETURN(-EPROTO); + } + ioo->ioo_oid = body->oa.o_oi; + } + + if (!(body->oa.o_valid & OBD_MD_FLID)) { + if (flags & HABEO_CORPUS) { + CERROR("%s: OBD_MD_FLID flag is not set in ost_body " + "but OID/FID is mandatory with HABEO_CORPUS\n", + tgt_name(tsi->tsi_tgt)); + RETURN(-EPROTO); + } else { + RETURN(0); + } + } + + rc = ostid_to_fid(&tsi->tsi_fid, &body->oa.o_oi, 0); + if (rc != 0) + RETURN(rc); + + if (!fid_is_sane(&tsi->tsi_fid)) { + CERROR("%s: invalid FID: "DFID"\n", tgt_name(tsi->tsi_tgt), + PFID(&tsi->tsi_fid)); + RETURN(-EINVAL); + } + + ost_fid_build_resid(&tsi->tsi_fid, &tsi->tsi_resid); + + /* + * OST doesn't get object in advance for further use to prevent + * situations with nested object_find which is potential deadlock. + */ + tsi->tsi_corpus = NULL; + RETURN(rc); +} + static int tgt_unpack_req_pack_rep(struct tgt_session_info *tsi, __u32 flags) { struct req_capsule *pill = tsi->tsi_pill; @@ -118,11 +260,13 @@ static int tgt_unpack_req_pack_rep(struct tgt_session_info *tsi, __u32 flags) if (req_capsule_has_field(pill, &RMF_MDT_BODY, RCL_CLIENT)) { rc = tgt_mdt_body_unpack(tsi, flags); + } else if (req_capsule_has_field(pill, &RMF_OST_BODY, RCL_CLIENT)) { + rc = tgt_ost_body_unpack(tsi, flags); } else { rc = 0; } - if (flags & HABEO_REFERO) { + if (rc == 0 && flags & HABEO_REFERO) { /* Pack reply */ if (req_capsule_has_field(pill, &RMF_MDT_MD, RCL_SERVER)) req_capsule_set_size(pill, &RMF_MDT_MD, RCL_SERVER, @@ -242,11 +386,6 @@ static int tgt_handle_request0(struct tgt_session_info *tsi, LASSERT(current->journal_info == NULL); - /* - * If we're DISCONNECTing, the export_data is already freed - * - * WAS if (likely(... && h->mh_opc != MDS_DISCONNECT)) - */ if (likely(rc == 0 && req->rq_export)) target_committed_to_req(req); @@ -272,6 +411,12 @@ static int tgt_filter_recovery_request(struct ptlrpc_request *req, case SEQ_QUERY: case FLD_QUERY: case LDLM_ENQUEUE: + case OST_CREATE: + case OST_DESTROY: + case OST_PUNCH: + case OST_SETATTR: + case OST_SYNC: + case OST_WRITE: *process = target_queue_recovery_request(req, obd); RETURN(0); @@ -374,6 +519,10 @@ int tgt_request_handle(struct ptlrpc_request *req) rc = ptlrpc_error(req); GOTO(out, rc); } + /* recovery-small test 18c asks to drop connect reply */ + if (unlikely(opc == OST_CONNECT && + OBD_FAIL_CHECK(OBD_FAIL_OST_CONNECT_NET2))) + GOTO(out, rc = 0); } if (unlikely(!class_connected_export(req->rq_export))) { @@ -386,6 +535,10 @@ int tgt_request_handle(struct ptlrpc_request *req) tsi->tsi_tgt = tgt = class_exp2tgt(req->rq_export); tsi->tsi_exp = req->rq_export; + if (exp_connect_flags(req->rq_export) & OBD_CONNECT_JOBSTATS) + tsi->tsi_jobid = lustre_msg_get_jobid(req->rq_reqmsg); + else + tsi->tsi_jobid = NULL; request_fail_id = tgt->lut_request_fail_id; tsi->tsi_reply_fail_id = tgt->lut_reply_fail_id; @@ -445,6 +598,8 @@ out: tsi->tsi_env = NULL; tsi->tsi_mdt_body = NULL; tsi->tsi_dlm_req = NULL; + fid_zero(&tsi->tsi_fid); + memset(&tsi->tsi_resid, 0, sizeof tsi->tsi_resid); return rc; } EXPORT_SYMBOL(tgt_request_handle); @@ -637,6 +792,30 @@ int tgt_connect_check_sptlrpc(struct ptlrpc_request *req, struct obd_export *exp return rc; } +int tgt_adapt_sptlrpc_conf(struct lu_target *tgt, int initial) +{ + struct sptlrpc_rule_set tmp_rset; + int rc; + + sptlrpc_rule_set_init(&tmp_rset); + rc = sptlrpc_conf_target_get_rules(tgt->lut_obd, &tmp_rset, initial); + if (rc) { + CERROR("%s: failed get sptlrpc rules: rc = %d\n", + tgt_name(tgt), rc); + return rc; + } + + sptlrpc_target_update_exp_flavor(tgt->lut_obd, &tmp_rset); + + write_lock(&tgt->lut_sptlrpc_lock); + sptlrpc_rule_set_free(&tgt->lut_sptlrpc_rset); + tgt->lut_sptlrpc_rset = tmp_rset; + write_unlock(&tgt->lut_sptlrpc_lock); + + return 0; +} +EXPORT_SYMBOL(tgt_adapt_sptlrpc_conf); + int tgt_connect(struct tgt_session_info *tsi) { struct ptlrpc_request *req = tgt_ses_req(tsi); @@ -848,12 +1027,78 @@ TGT_OBD_HDL (0, OBD_IDX_READ, tgt_obd_idx_read) }; EXPORT_SYMBOL(tgt_obd_handlers); +int tgt_sync(const struct lu_env *env, struct lu_target *tgt, + struct dt_object *obj) +{ + int rc = 0; + + ENTRY; + + /* if no objid is specified, it means "sync whole filesystem" */ + if (obj == NULL) { + rc = dt_sync(env, tgt->lut_bottom); + } else if (dt_version_get(env, obj) > + tgt->lut_obd->obd_last_committed) { + rc = dt_object_sync(env, obj); + } + + RETURN(rc); +} +EXPORT_SYMBOL(tgt_sync); /* * Unified target DLM handlers. */ + +/* Ensure that data and metadata are synced to the disk when lock is cancelled + * (if requested) */ +int tgt_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, + void *data, int flag) +{ + struct lu_env env; + struct lu_target *tgt; + struct dt_object *obj; + struct lu_fid fid; + int rc = 0; + + ENTRY; + + tgt = class_exp2tgt(lock->l_export); + + if (flag == LDLM_CB_CANCELING && + (lock->l_granted_mode & (LCK_PW | LCK_GROUP)) && + (tgt->lut_sync_lock_cancel == ALWAYS_SYNC_ON_CANCEL || + (tgt->lut_sync_lock_cancel == BLOCKING_SYNC_ON_CANCEL && + lock->l_flags & LDLM_FL_CBPENDING))) { + rc = lu_env_init(&env, LCT_DT_THREAD); + if (unlikely(rc != 0)) + RETURN(rc); + + ost_fid_from_resid(&fid, &lock->l_resource->lr_name); + obj = dt_locate(&env, tgt->lut_bottom, &fid); + if (IS_ERR(obj)) + GOTO(err_env, rc = PTR_ERR(obj)); + + if (!dt_object_exists(obj)) + GOTO(err_put, rc = -ENOENT); + + rc = tgt_sync(&env, tgt, obj); + if (rc < 0) { + CERROR("%s: sync failed on lock cancel: rc = %d\n", + tgt_name(tgt), rc); + } +err_put: + lu_object_put(&env, &obj->do_lu); +err_env: + lu_env_fini(&env); + } + + rc = ldlm_server_blocking_ast(lock, desc, data, flag); + RETURN(rc); +} + struct ldlm_callback_suite tgt_dlm_cbs = { .lcs_completion = ldlm_server_completion_ast, - .lcs_blocking = ldlm_server_blocking_ast, + .lcs_blocking = tgt_blocking_ast, .lcs_glimpse = ldlm_server_glimpse_ast }; @@ -1015,3 +1260,670 @@ TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT, tgt_sec_ctx_handle), TGT_SEC_HDL_VAR(0, SEC_CTX_FINI, tgt_sec_ctx_handle), }; EXPORT_SYMBOL(tgt_sec_ctx_handlers); + +/* + * initialize per-thread page pool (bug 5137). + */ +int tgt_io_thread_init(struct ptlrpc_thread *thread) +{ + struct tgt_thread_big_cache *tbc; + + ENTRY; + + LASSERT(thread != NULL); + LASSERT(thread->t_data == NULL); + + OBD_ALLOC_LARGE(tbc, sizeof(*tbc)); + if (tbc == NULL) + RETURN(-ENOMEM); + thread->t_data = tbc; + RETURN(0); +} +EXPORT_SYMBOL(tgt_io_thread_init); + +/* + * free per-thread pool created by tgt_thread_init(). + */ +void tgt_io_thread_done(struct ptlrpc_thread *thread) +{ + struct tgt_thread_big_cache *tbc; + + ENTRY; + + LASSERT(thread != NULL); + + /* + * be prepared to handle partially-initialized pools (because this is + * called from ost_io_thread_init() for cleanup. + */ + tbc = thread->t_data; + if (tbc != NULL) { + OBD_FREE_LARGE(tbc, sizeof(*tbc)); + thread->t_data = NULL; + } + EXIT; +} +EXPORT_SYMBOL(tgt_io_thread_done); +/** + * Helper function for getting server side [start, start+count] DLM lock + * if asked by client. + */ +int tgt_extent_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id, + __u64 start, __u64 end, struct lustre_handle *lh, + int mode, __u64 *flags) +{ + ldlm_policy_data_t policy; + int rc; + + ENTRY; + + LASSERT(lh != NULL); + LASSERT(ns != NULL); + LASSERT(!lustre_handle_is_used(lh)); + + policy.l_extent.gid = 0; + policy.l_extent.start = start & CFS_PAGE_MASK; + + /* + * If ->o_blocks is EOF it means "lock till the end of the file". + * Otherwise, it's size of an extent or hole being punched (in bytes). + */ + if (end == OBD_OBJECT_EOF || end < start) + policy.l_extent.end = OBD_OBJECT_EOF; + else + policy.l_extent.end = end | ~CFS_PAGE_MASK; + + rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_EXTENT, &policy, mode, + flags, ldlm_blocking_ast, + ldlm_completion_ast, ldlm_glimpse_ast, + NULL, 0, LVB_T_NONE, NULL, lh); + RETURN(rc == ELDLM_OK ? 0 : -EIO); +} +EXPORT_SYMBOL(tgt_extent_lock); + +void tgt_extent_unlock(struct lustre_handle *lh, ldlm_mode_t mode) +{ + LASSERT(lustre_handle_is_used(lh)); + ldlm_lock_decref(lh, mode); +} +EXPORT_SYMBOL(tgt_extent_unlock); + +int tgt_brw_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id, + struct obd_ioobj *obj, struct niobuf_remote *nb, + struct lustre_handle *lh, int mode) +{ + __u64 flags = 0; + int nrbufs = obj->ioo_bufcnt; + int i; + + ENTRY; + + LASSERT(mode == LCK_PR || mode == LCK_PW); + LASSERT(!lustre_handle_is_used(lh)); + + if (nrbufs == 0 || !(nb[0].flags & OBD_BRW_SRVLOCK)) + RETURN(0); + + for (i = 1; i < nrbufs; i++) + if (!(nb[i].flags & OBD_BRW_SRVLOCK)) + RETURN(-EFAULT); + + RETURN(tgt_extent_lock(ns, res_id, nb[0].offset, + nb[nrbufs - 1].offset + nb[nrbufs - 1].len - 1, + lh, mode, &flags)); +} +EXPORT_SYMBOL(tgt_brw_lock); + +void tgt_brw_unlock(struct obd_ioobj *obj, struct niobuf_remote *niob, + struct lustre_handle *lh, int mode) +{ + ENTRY; + + LASSERT(mode == LCK_PR || mode == LCK_PW); + LASSERT((obj->ioo_bufcnt > 0 && (niob[0].flags & OBD_BRW_SRVLOCK)) == + lustre_handle_is_used(lh)); + if (lustre_handle_is_used(lh)) + tgt_extent_unlock(lh, mode); + EXIT; +} +EXPORT_SYMBOL(tgt_brw_unlock); + +static __u32 tgt_checksum_bulk(struct lu_target *tgt, + struct ptlrpc_bulk_desc *desc, int opc, + cksum_type_t cksum_type) +{ + struct cfs_crypto_hash_desc *hdesc; + unsigned int bufsize; + int i, err; + unsigned char cfs_alg = cksum_obd2cfs(cksum_type); + __u32 cksum; + + hdesc = cfs_crypto_hash_init(cfs_alg, NULL, 0); + if (IS_ERR(hdesc)) { + CERROR("%s: unable to initialize checksum hash %s\n", + tgt_name(tgt), cfs_crypto_hash_name(cfs_alg)); + return PTR_ERR(hdesc); + } + + CDEBUG(D_INFO, "Checksum for algo %s\n", cfs_crypto_hash_name(cfs_alg)); + for (i = 0; i < desc->bd_iov_count; i++) { + /* corrupt the data before we compute the checksum, to + * simulate a client->OST data error */ + if (i == 0 && opc == OST_WRITE && + OBD_FAIL_CHECK(OBD_FAIL_OST_CHECKSUM_RECEIVE)) { + int off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK; + int len = desc->bd_iov[i].kiov_len; + struct page *np = tgt_page_to_corrupt; + char *ptr = kmap(desc->bd_iov[i].kiov_page) + off; + + if (np) { + char *ptr2 = kmap(np) + off; + + memcpy(ptr2, ptr, len); + memcpy(ptr2, "bad3", min(4, len)); + kunmap(np); + desc->bd_iov[i].kiov_page = np; + } else { + CERROR("%s: can't alloc page for corruption\n", + tgt_name(tgt)); + } + } + cfs_crypto_hash_update_page(hdesc, desc->bd_iov[i].kiov_page, + desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK, + desc->bd_iov[i].kiov_len); + + /* corrupt the data after we compute the checksum, to + * simulate an OST->client data error */ + if (i == 0 && opc == OST_READ && + OBD_FAIL_CHECK(OBD_FAIL_OST_CHECKSUM_SEND)) { + int off = desc->bd_iov[i].kiov_offset & ~CFS_PAGE_MASK; + int len = desc->bd_iov[i].kiov_len; + struct page *np = tgt_page_to_corrupt; + char *ptr = kmap(desc->bd_iov[i].kiov_page) + off; + + if (np) { + char *ptr2 = kmap(np) + off; + + memcpy(ptr2, ptr, len); + memcpy(ptr2, "bad4", min(4, len)); + kunmap(np); + desc->bd_iov[i].kiov_page = np; + } else { + CERROR("%s: can't alloc page for corruption\n", + tgt_name(tgt)); + } + } + } + + bufsize = 4; + err = cfs_crypto_hash_final(hdesc, (unsigned char *)&cksum, &bufsize); + if (err) + cfs_crypto_hash_final(hdesc, NULL, NULL); + + return cksum; +} + +int tgt_brw_read(struct tgt_session_info *tsi) +{ + struct ptlrpc_request *req = tgt_ses_req(tsi); + struct ptlrpc_bulk_desc *desc = NULL; + struct obd_export *exp = tsi->tsi_exp; + struct niobuf_remote *remote_nb; + struct niobuf_local *local_nb; + struct obd_ioobj *ioo; + struct ost_body *body, *repbody; + struct l_wait_info lwi; + struct lustre_handle lockh = { 0 }; + int niocount, npages, nob = 0, rc, i; + int no_reply = 0; + struct tgt_thread_big_cache *tbc = req->rq_svc_thread->t_data; + + ENTRY; + + if (ptlrpc_req2svc(req)->srv_req_portal != OST_IO_PORTAL) { + CERROR("%s: deny read request from %s to portal %u\n", + tgt_name(tsi->tsi_tgt), + obd_export_nid2str(req->rq_export), + ptlrpc_req2svc(req)->srv_req_portal); + RETURN(-EPROTO); + } + + req->rq_bulk_read = 1; + + if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_READ_BULK)) + RETURN(-EIO); + + OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_BULK, (obd_timeout + 1) / 4); + + /* Check if there is eviction in progress, and if so, wait for it to + * finish */ + if (unlikely(cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress))) { + /* We do not care how long it takes */ + lwi = LWI_INTR(NULL, NULL); + rc = l_wait_event(exp->exp_obd->obd_evict_inprogress_waitq, + !cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress), + &lwi); + } + + /* There must be big cache in current thread to process this request + * if it is NULL then something went wrong and it wasn't allocated, + * report -ENOMEM in that case */ + if (tbc == NULL) + RETURN(-ENOMEM); + + body = tsi->tsi_ost_body; + LASSERT(body != NULL); + + ioo = req_capsule_client_get(tsi->tsi_pill, &RMF_OBD_IOOBJ); + LASSERT(ioo != NULL); /* must exists after tgt_ost_body_unpack */ + + niocount = ioo->ioo_bufcnt; + remote_nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE); + LASSERT(remote_nb != NULL); /* must exists after tgt_ost_body_unpack */ + + local_nb = tbc->local; + + rc = tgt_brw_lock(exp->exp_obd->obd_namespace, &tsi->tsi_resid, ioo, + remote_nb, &lockh, LCK_PR); + if (rc != 0) + RETURN(rc); + + /* + * If getting the lock took more time than + * client was willing to wait, drop it. b=11330 + */ + if (cfs_time_current_sec() > req->rq_deadline || + OBD_FAIL_CHECK(OBD_FAIL_OST_DROP_REQ)) { + no_reply = 1; + CERROR("Dropping timed-out read from %s because locking" + "object "DOSTID" took %ld seconds (limit was %ld).\n", + libcfs_id2str(req->rq_peer), POSTID(&ioo->ioo_oid), + cfs_time_current_sec() - req->rq_arrival_time.tv_sec, + req->rq_deadline - req->rq_arrival_time.tv_sec); + GOTO(out_lock, rc = -ETIMEDOUT); + } + + repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); + repbody->oa = body->oa; + + npages = PTLRPC_MAX_BRW_PAGES; + rc = obd_preprw(tsi->tsi_env, OBD_BRW_READ, exp, &repbody->oa, 1, + ioo, remote_nb, &npages, local_nb, NULL, BYPASS_CAPA); + if (rc != 0) + GOTO(out_lock, rc); + + desc = ptlrpc_prep_bulk_exp(req, npages, ioobj_max_brw_get(ioo), + BULK_PUT_SOURCE, OST_BULK_PORTAL); + if (desc == NULL) + GOTO(out_commitrw, rc = -ENOMEM); + + nob = 0; + for (i = 0; i < npages; i++) { + int page_rc = local_nb[i].rc; + + if (page_rc < 0) { + rc = page_rc; + break; + } + + nob += page_rc; + if (page_rc != 0) { /* some data! */ + LASSERT(local_nb[i].page != NULL); + ptlrpc_prep_bulk_page_nopin(desc, local_nb[i].page, + local_nb[i].lnb_page_offset, + page_rc); + } + + if (page_rc != local_nb[i].len) { /* short read */ + /* All subsequent pages should be 0 */ + while (++i < npages) + LASSERT(local_nb[i].rc == 0); + break; + } + } + + if (body->oa.o_valid & OBD_MD_FLCKSUM) { + cksum_type_t cksum_type = + cksum_type_unpack(body->oa.o_valid & OBD_MD_FLFLAGS ? + body->oa.o_flags : 0); + repbody->oa.o_flags = cksum_type_pack(cksum_type); + repbody->oa.o_valid = OBD_MD_FLCKSUM | OBD_MD_FLFLAGS; + repbody->oa.o_cksum = tgt_checksum_bulk(tsi->tsi_tgt, desc, + OST_READ, cksum_type); + CDEBUG(D_PAGE, "checksum at read origin: %x\n", + repbody->oa.o_cksum); + } else { + repbody->oa.o_valid = 0; + } + /* We're finishing using body->oa as an input variable */ + + /* Check if client was evicted while we were doing i/o before touching + * network */ + if (likely(rc == 0 && + !CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))) { + rc = target_bulk_io(exp, desc, &lwi); + no_reply = rc != 0; + } + +out_commitrw: + /* Must commit after prep above in all cases */ + rc = obd_commitrw(tsi->tsi_env, OBD_BRW_READ, exp, + &repbody->oa, 1, ioo, remote_nb, npages, local_nb, + NULL, rc); + if (rc == 0) + tgt_drop_id(exp, &repbody->oa); +out_lock: + tgt_brw_unlock(ioo, remote_nb, &lockh, LCK_PR); + + if (desc && !CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2)) + ptlrpc_free_bulk_nopin(desc); + + LASSERT(rc <= 0); + if (rc == 0) { + rc = nob; + ptlrpc_lprocfs_brw(req, nob); + } else if (no_reply) { + req->rq_no_reply = 1; + /* reply out callback would free */ + ptlrpc_req_drop_rs(req); + LCONSOLE_WARN("%s: Bulk IO read error with %s (at %s), " + "client will retry: rc %d\n", + exp->exp_obd->obd_name, + obd_uuid2str(&exp->exp_client_uuid), + obd_export_nid2str(exp), rc); + } + /* send a bulk after reply to simulate a network delay or reordering + * by a router */ + if (unlikely(CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))) { + wait_queue_head_t waitq; + struct l_wait_info lwi1; + + CDEBUG(D_INFO, "reorder BULK\n"); + init_waitqueue_head(&waitq); + + lwi1 = LWI_TIMEOUT_INTR(cfs_time_seconds(3), NULL, NULL, NULL); + l_wait_event(waitq, 0, &lwi1); + target_bulk_io(exp, desc, &lwi); + ptlrpc_free_bulk_nopin(desc); + } + + RETURN(rc); +} +EXPORT_SYMBOL(tgt_brw_read); + +static void tgt_warn_on_cksum(struct ptlrpc_request *req, + struct ptlrpc_bulk_desc *desc, + struct niobuf_local *local_nb, int npages, + obd_count client_cksum, obd_count server_cksum, + bool mmap) +{ + struct obd_export *exp = req->rq_export; + struct ost_body *body; + char *router; + char *via; + + body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY); + LASSERT(body != NULL); + + if (req->rq_peer.nid == desc->bd_sender) { + via = router = ""; + } else { + via = " via "; + router = libcfs_nid2str(desc->bd_sender); + } + + if (mmap) { + CDEBUG_LIMIT(D_INFO, "client csum %x, server csum %x\n", + client_cksum, server_cksum); + return; + } + + LCONSOLE_ERROR_MSG(0x168, "BAD WRITE CHECKSUM: %s from %s%s%s inode " + DFID" object "DOSTID" extent ["LPU64"-"LPU64 + "]: client csum %x, server csum %x\n", + exp->exp_obd->obd_name, libcfs_id2str(req->rq_peer), + via, router, + body->oa.o_valid & OBD_MD_FLFID ? + body->oa.o_parent_seq : (__u64)0, + body->oa.o_valid & OBD_MD_FLFID ? + body->oa.o_parent_oid : 0, + body->oa.o_valid & OBD_MD_FLFID ? + body->oa.o_parent_ver : 0, + POSTID(&body->oa.o_oi), + local_nb[0].lnb_file_offset, + local_nb[npages-1].lnb_file_offset + + local_nb[npages-1].len - 1, + client_cksum, server_cksum); +} + +int tgt_brw_write(struct tgt_session_info *tsi) +{ + struct ptlrpc_request *req = tgt_ses_req(tsi); + struct ptlrpc_bulk_desc *desc = NULL; + struct obd_export *exp = req->rq_export; + struct niobuf_remote *remote_nb; + struct niobuf_local *local_nb; + struct obd_ioobj *ioo; + struct ost_body *body, *repbody; + struct l_wait_info lwi; + struct lustre_handle lockh = {0}; + __u32 *rcs; + int objcount, niocount, npages; + int rc, i, j; + cksum_type_t cksum_type = OBD_CKSUM_CRC32; + bool no_reply = false, mmap; + struct tgt_thread_big_cache *tbc = req->rq_svc_thread->t_data; + + ENTRY; + + if (ptlrpc_req2svc(req)->srv_req_portal != OST_IO_PORTAL) { + CERROR("%s: deny write request from %s to portal %u\n", + tgt_name(tsi->tsi_tgt), + obd_export_nid2str(req->rq_export), + ptlrpc_req2svc(req)->srv_req_portal); + RETURN(err_serious(-EPROTO)); + } + + if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOSPC)) + RETURN(err_serious(-ENOSPC)); + if (OBD_FAIL_TIMEOUT(OBD_FAIL_OST_EROFS, 1)) + RETURN(err_serious(-EROFS)); + + req->rq_bulk_write = 1; + + if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_WRITE_BULK)) + RETURN(err_serious(-EIO)); + if (OBD_FAIL_CHECK(OBD_FAIL_OST_BRW_WRITE_BULK2)) + RETURN(err_serious(-EFAULT)); + + /* pause before transaction has been started */ + OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_BULK, (obd_timeout + 1) / 4); + + /* There must be big cache in current thread to process this request + * if it is NULL then something went wrong and it wasn't allocated, + * report -ENOMEM in that case */ + if (tbc == NULL) + RETURN(-ENOMEM); + + body = tsi->tsi_ost_body; + LASSERT(body != NULL); + + ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ); + LASSERT(ioo != NULL); /* must exists after tgt_ost_body_unpack */ + + objcount = req_capsule_get_size(&req->rq_pill, &RMF_OBD_IOOBJ, + RCL_CLIENT) / sizeof(*ioo); + + for (niocount = i = 0; i < objcount; i++) + niocount += ioo[i].ioo_bufcnt; + + remote_nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE); + LASSERT(remote_nb != NULL); /* must exists after tgt_ost_body_unpack */ + if (niocount != req_capsule_get_size(&req->rq_pill, + &RMF_NIOBUF_REMOTE, RCL_CLIENT) / + sizeof(*remote_nb)) + RETURN(err_serious(-EPROTO)); + + if ((remote_nb[0].flags & OBD_BRW_MEMALLOC) && + (exp->exp_connection->c_peer.nid == exp->exp_connection->c_self)) + memory_pressure_set(); + + req_capsule_set_size(&req->rq_pill, &RMF_RCS, RCL_SERVER, + niocount * sizeof(*rcs)); + rc = req_capsule_server_pack(&req->rq_pill); + if (rc != 0) + GOTO(out, rc = err_serious(rc)); + + CFS_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_PACK, cfs_fail_val); + rcs = req_capsule_server_get(&req->rq_pill, &RMF_RCS); + + local_nb = tbc->local; + + rc = tgt_brw_lock(exp->exp_obd->obd_namespace, &tsi->tsi_resid, ioo, + remote_nb, &lockh, LCK_PW); + if (rc != 0) + GOTO(out, rc); + + /* + * If getting the lock took more time than + * client was willing to wait, drop it. b=11330 + */ + if (cfs_time_current_sec() > req->rq_deadline || + OBD_FAIL_CHECK(OBD_FAIL_OST_DROP_REQ)) { + no_reply = true; + CERROR("%s: Dropping timed-out write from %s because locking " + "object "DOSTID" took %ld seconds (limit was %ld).\n", + tgt_name(tsi->tsi_tgt), libcfs_id2str(req->rq_peer), + POSTID(&ioo->ioo_oid), + cfs_time_current_sec() - req->rq_arrival_time.tv_sec, + req->rq_deadline - req->rq_arrival_time.tv_sec); + GOTO(out_lock, rc = -ETIMEDOUT); + } + + /* Because we already sync grant info with client when reconnect, + * grant info will be cleared for resent req, then fed_grant and + * total_grant will not be modified in following preprw_write */ + if (lustre_msg_get_flags(req->rq_reqmsg) & (MSG_RESENT | MSG_REPLAY)) { + DEBUG_REQ(D_CACHE, req, "clear resent/replay req grant info"); + body->oa.o_valid &= ~OBD_MD_FLGRANT; + } + + repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY); + if (repbody == NULL) + GOTO(out_lock, rc = -ENOMEM); + repbody->oa = body->oa; + + npages = PTLRPC_MAX_BRW_PAGES; + rc = obd_preprw(tsi->tsi_env, OBD_BRW_WRITE, exp, &repbody->oa, + objcount, ioo, remote_nb, &npages, local_nb, NULL, + BYPASS_CAPA); + if (rc < 0) + GOTO(out_lock, rc); + + desc = ptlrpc_prep_bulk_exp(req, npages, ioobj_max_brw_get(ioo), + BULK_GET_SINK, OST_BULK_PORTAL); + if (desc == NULL) + GOTO(skip_transfer, rc = -ENOMEM); + + /* NB Having prepped, we must commit... */ + for (i = 0; i < npages; i++) + ptlrpc_prep_bulk_page_nopin(desc, local_nb[i].page, + local_nb[i].lnb_page_offset, + local_nb[i].len); + + rc = sptlrpc_svc_prep_bulk(req, desc); + if (rc != 0) + GOTO(skip_transfer, rc); + + rc = target_bulk_io(exp, desc, &lwi); + no_reply = rc != 0; + +skip_transfer: + if (body->oa.o_valid & OBD_MD_FLCKSUM && rc == 0) { + static int cksum_counter; + + if (body->oa.o_valid & OBD_MD_FLFLAGS) + cksum_type = cksum_type_unpack(body->oa.o_flags); + + repbody->oa.o_valid |= OBD_MD_FLCKSUM | OBD_MD_FLFLAGS; + repbody->oa.o_flags &= ~OBD_FL_CKSUM_ALL; + repbody->oa.o_flags |= cksum_type_pack(cksum_type); + repbody->oa.o_cksum = tgt_checksum_bulk(tsi->tsi_tgt, desc, + OST_WRITE, cksum_type); + cksum_counter++; + + if (unlikely(body->oa.o_cksum != repbody->oa.o_cksum)) { + mmap = (body->oa.o_valid & OBD_MD_FLFLAGS && + body->oa.o_flags & OBD_FL_MMAP); + + tgt_warn_on_cksum(req, desc, local_nb, npages, + body->oa.o_cksum, + repbody->oa.o_cksum, mmap); + cksum_counter = 0; + } else if ((cksum_counter & (-cksum_counter)) == + cksum_counter) { + CDEBUG(D_INFO, "Checksum %u from %s OK: %x\n", + cksum_counter, libcfs_id2str(req->rq_peer), + repbody->oa.o_cksum); + } + } + + /* Must commit after prep above in all cases */ + rc = obd_commitrw(tsi->tsi_env, OBD_BRW_WRITE, exp, &repbody->oa, + objcount, ioo, remote_nb, npages, local_nb, NULL, + rc); + if (rc == -ENOTCONN) + /* quota acquire process has been given up because + * either the client has been evicted or the client + * has timed out the request already */ + no_reply = true; + + /* + * Disable sending mtime back to the client. If the client locked the + * whole object, then it has already updated the mtime on its side, + * otherwise it will have to glimpse anyway (see bug 21489, comment 32) + */ + repbody->oa.o_valid &= ~(OBD_MD_FLMTIME | OBD_MD_FLATIME); + + if (rc == 0) { + int nob = 0; + + /* set per-requested niobuf return codes */ + for (i = j = 0; i < niocount; i++) { + int len = remote_nb[i].len; + + nob += len; + rcs[i] = 0; + do { + LASSERT(j < npages); + if (local_nb[j].rc < 0) + rcs[i] = local_nb[j].rc; + len -= local_nb[j].len; + j++; + } while (len > 0); + LASSERT(len == 0); + } + LASSERT(j == npages); + ptlrpc_lprocfs_brw(req, nob); + + tgt_drop_id(exp, &repbody->oa); + } +out_lock: + tgt_brw_unlock(ioo, remote_nb, &lockh, LCK_PW); + if (desc) + ptlrpc_free_bulk_nopin(desc); +out: + if (no_reply) { + req->rq_no_reply = 1; + /* reply out callback would free */ + ptlrpc_req_drop_rs(req); + LCONSOLE_WARN("%s: Bulk IO write error with %s (at %s), " + "client will retry: rc %d\n", + exp->exp_obd->obd_name, + obd_uuid2str(&exp->exp_client_uuid), + obd_export_nid2str(exp), rc); + } + memory_pressure_clr(); + RETURN(rc); +} +EXPORT_SYMBOL(tgt_brw_write); diff --git a/lustre/target/tgt_internal.h b/lustre/target/tgt_internal.h index 5f45ca1..bc7809c2 100644 --- a/lustre/target/tgt_internal.h +++ b/lustre/target/tgt_internal.h @@ -195,4 +195,10 @@ int out_handle(struct tgt_session_info *tsi); #define out_tx_destroy(info, obj, th, reply, idx) \ __out_tx_destroy(info, obj, th, reply, idx, __FILE__, __LINE__) +extern struct page *tgt_page_to_corrupt; + +struct tgt_thread_big_cache { + struct niobuf_local local[PTLRPC_MAX_BRW_PAGES]; +}; + #endif /* _TG_INTERNAL_H */ diff --git a/lustre/target/tgt_lastrcvd.c b/lustre/target/tgt_lastrcvd.c index 2694aaa..01a757f 100644 --- a/lustre/target/tgt_lastrcvd.c +++ b/lustre/target/tgt_lastrcvd.c @@ -720,8 +720,13 @@ int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt, ted = &req->rq_export->exp_target_data; lw_client = exp_connect_flags(req->rq_export) & OBD_CONNECT_LIGHTWEIGHT; + if (ted->ted_lr_idx < 0 && !lw_client) + /* ofd connect may cause transaction before export has + * last_rcvd slot */ + RETURN(0); tti->tti_transno = lustre_msg_get_transno(req->rq_reqmsg); + spin_lock(&tgt->lut_translock); if (th->th_result != 0) { if (tti->tti_transno != 0) { @@ -765,7 +770,7 @@ int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt, * last_rcvd, we still want to maintain the in-memory * lsd_client_data structure in order to properly handle reply * reconstruction. */ - } else if (ted->ted_lr_off <= 0) { + } else if (ted->ted_lr_off == 0) { CERROR("%s: client idx %d has offset %lld\n", tgt_name(tgt), ted->ted_lr_idx, ted->ted_lr_off); RETURN(-EINVAL); @@ -839,3 +844,46 @@ srv_update: } EXPORT_SYMBOL(tgt_last_rcvd_update); +/* + * last_rcvd update for echo client simulation. + * It updates last_rcvd client slot and version of object in + * simple way but with all locks to simulate all drawbacks + */ +int tgt_last_rcvd_update_echo(const struct lu_env *env, struct lu_target *tgt, + struct dt_object *obj, struct thandle *th, + struct obd_export *exp) +{ + struct tgt_thread_info *tti = tgt_th_info(env); + struct tg_export_data *ted = &exp->exp_target_data; + int rc = 0; + + ENTRY; + + tti->tti_transno = 0; + + spin_lock(&tgt->lut_translock); + if (th->th_result == 0) + tti->tti_transno = ++tgt->lut_last_transno; + spin_unlock(&tgt->lut_translock); + + /** VBR: set new versions */ + if (th->th_result == 0 && obj != NULL) + dt_version_set(env, obj, tti->tti_transno, th); + + /* if can't add callback, do sync write */ + th->th_sync |= !!tgt_last_commit_cb_add(th, tgt, exp, + tti->tti_transno); + + LASSERT(ted->ted_lr_off > 0); + + mutex_lock(&ted->ted_lcd_lock); + LASSERT(ergo(tti->tti_transno == 0, th->th_result != 0)); + ted->ted_lcd->lcd_last_transno = tti->tti_transno; + ted->ted_lcd->lcd_last_result = th->th_result; + + tti->tti_off = ted->ted_lr_off; + rc = tgt_client_data_write(env, tgt, ted->ted_lcd, &tti->tti_off, th); + mutex_unlock(&ted->ted_lcd_lock); + RETURN(rc); +} +EXPORT_SYMBOL(tgt_last_rcvd_update_echo); diff --git a/lustre/target/tgt_main.c b/lustre/target/tgt_main.c index bcf2b2f..4f7cff5 100644 --- a/lustre/target/tgt_main.c +++ b/lustre/target/tgt_main.c @@ -69,6 +69,9 @@ int tgt_init(const struct lu_env *env, struct lu_target *lut, lut->lut_mds_capa = 1; lut->lut_oss_capa = 1; + spin_lock_init(&lut->lut_flags_lock); + lut->lut_sync_lock_cancel = NEVER_SYNC_ON_CANCEL; + /* last_rcvd initialization is needed by replayable targets only */ if (!obd->obd_replayable) RETURN(0); @@ -140,10 +143,21 @@ EXPORT_SYMBOL(tgt_session_key); LU_KEY_INIT_GENERIC(tgt_ses); +/* + * this page is allocated statically when module is initializing + * it is used to simulate data corruptions, see ost_checksum_bulk() + * for details. as the original pages provided by the layers below + * can be remain in the internal cache, we do not want to modify + * them. + */ +struct page *tgt_page_to_corrupt; + int tgt_mod_init(void) { ENTRY; + tgt_page_to_corrupt = alloc_page(GFP_IOFS); + tgt_key_init_generic(&tgt_thread_key, NULL); lu_context_key_register_many(&tgt_thread_key, NULL); @@ -155,6 +169,9 @@ int tgt_mod_init(void) void tgt_mod_exit(void) { + if (tgt_page_to_corrupt != NULL) + page_cache_release(tgt_page_to_corrupt); + lu_context_key_degister(&tgt_thread_key); lu_context_key_degister(&tgt_session_key); } -- 1.8.3.1