#define _LUSTRE_LU_TARGET_H
#include <dt_object.h>
+#include <lustre_export.h>
#include <lustre_disk.h>
struct lu_target {
- struct obd_device *lut_obd;
- struct dt_device *lut_bottom;
- /** last_rcvd file */
- struct dt_object *lut_last_rcvd;
- /* transaction callbacks */
- struct dt_txn_callback lut_txn_cb;
- /** server data in last_rcvd file */
- struct lr_server_data lut_lsd;
- /** Server last transaction number */
- __u64 lut_last_transno;
- /** Lock protecting last transaction number */
+ struct obd_device *lut_obd;
+ struct dt_device *lut_bottom;
+
+ /* supported opcodes and handlers for this target */
+ struct tgt_opc_slice *lut_slice;
+ __u32 lut_reply_fail_id;
+ __u32 lut_request_fail_id;
+
+ /* sptlrpc rules */
+ rwlock_t lut_sptlrpc_lock;
+ struct sptlrpc_rule_set lut_sptlrpc_rset;
+ int lut_sec_level;
+ unsigned int lut_mds_capa:1,
+ lut_oss_capa:1;
+
+ /* LAST_RCVD parameters */
+ /** last_rcvd file */
+ struct dt_object *lut_last_rcvd;
+ /* transaction callbacks */
+ struct dt_txn_callback lut_txn_cb;
+ /** server data in last_rcvd file */
+ struct lr_server_data lut_lsd;
+ /** Server last transaction number */
+ __u64 lut_last_transno;
+ /** Lock protecting last transaction number */
spinlock_t lut_translock;
/** Lock protecting client bitmap */
spinlock_t lut_client_bitmap_lock;
/** Bitmap of known clients */
- unsigned long *lut_client_bitmap;
+ unsigned long *lut_client_bitmap;
};
+extern struct lu_context_key tgt_session_key;
+
+struct tgt_session_info {
+ /*
+ * The following members will be filled explicitly
+ * with specific data in tgt_ses_init().
+ */
+ struct req_capsule *tsi_pill;
+
+ /*
+ * Lock request for "habeo clavis" operations.
+ */
+ struct ldlm_request *tsi_dlm_req;
+
+ /* although we have export in req, there are cases when it is not
+ * available, e.g. closing files upon export destroy */
+ struct obd_export *tsi_exp;
+ const struct lu_env *tsi_env;
+ struct lu_target *tsi_tgt;
+ /*
+ * Additional fail id that can be set by handler.
+ */
+ int tsi_reply_fail_id;
+ int tsi_request_fail_id;
+};
+
+static inline struct tgt_session_info *tgt_ses_info(const struct lu_env *env)
+{
+ struct tgt_session_info *tsi;
+
+ LASSERT(env->le_ses != NULL);
+ tsi = lu_context_key_get(env->le_ses, &tgt_session_key);
+ LASSERT(tsi);
+ return tsi;
+}
+
+/*
+ * Generic unified target support.
+ */
+enum tgt_handler_flags {
+ /*
+ * struct *_body is passed in the incoming message, and object
+ * identified by this fid exists on disk.
+ * *
+ * "habeo corpus" == "I have a body"
+ */
+ HABEO_CORPUS = (1 << 0),
+ /*
+ * struct ldlm_request is passed in the incoming message.
+ *
+ * "habeo clavis" == "I have a key"
+ * */
+ HABEO_CLAVIS = (1 << 1),
+ /*
+ * this request has fixed reply format, so that reply message can be
+ * packed by generic code.
+ *
+ * "habeo refero" == "I have a reply"
+ */
+ HABEO_REFERO = (1 << 2),
+ /*
+ * this request will modify something, so check whether the file system
+ * is readonly or not, then return -EROFS to client asap if necessary.
+ *
+ * "mutabor" == "I shall modify"
+ */
+ MUTABOR = (1 << 3)
+};
+
+struct tgt_handler {
+ /* The name of this handler. */
+ const char *th_name;
+ /* Fail id, check at the beginning */
+ int th_fail_id;
+ /* Operation code */
+ __u32 th_opc;
+ /* Flags in enum tgt_handler_flags */
+ __u32 th_flags;
+ /* Request version for this opcode */
+ int th_version;
+ /* Handler function */
+ int (*th_act)(struct tgt_session_info *tti);
+ /* Request format for this request */
+ const struct req_format *th_fmt;
+};
+
+struct tgt_opc_slice {
+ __u32 tos_opc_start; /* First op code */
+ __u32 tos_opc_end; /* Last op code */
+ struct tgt_handler *tos_hs; /* Registered handler */
+};
+
+static inline struct ptlrpc_request *tgt_ses_req(struct tgt_session_info *tsi)
+{
+ return tsi->tsi_pill ? tsi->tsi_pill->rc_req : NULL;
+}
+
+static inline __u64 tgt_conn_flags(struct tgt_session_info *tsi)
+{
+ LASSERT(tsi->tsi_exp);
+ return exp_connect_flags(tsi->tsi_exp);
+}
+
+/* target/tgt_handler.c */
+int tgt_request_handle(struct ptlrpc_request *req);
+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_connect(struct tgt_session_info *tsi);
+int tgt_disconnect(struct tgt_session_info *uti);
+int tgt_obd_ping(struct tgt_session_info *tsi);
+int tgt_enqueue(struct tgt_session_info *tsi);
+int tgt_convert(struct tgt_session_info *tsi);
+int tgt_bl_callback(struct tgt_session_info *tsi);
+int tgt_cp_callback(struct tgt_session_info *tsi);
+int tgt_llog_open(struct tgt_session_info *tsi);
+int tgt_llog_close(struct tgt_session_info *tsi);
+int tgt_llog_destroy(struct tgt_session_info *tsi);
+int tgt_llog_read_header(struct tgt_session_info *tsi);
+int tgt_llog_next_block(struct tgt_session_info *tsi);
+int tgt_llog_prev_block(struct tgt_session_info *tsi);
+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);
+
typedef void (*tgt_cb_t)(struct lu_target *lut, __u64 transno,
- void *data, int err);
+ void *data, int err);
struct tgt_commit_cb {
- tgt_cb_t tgt_cb_func;
- void *tgt_cb_data;
+ tgt_cb_t tgt_cb_func;
+ void *tgt_cb_data;
};
+/* target/tgt_main.c */
void tgt_boot_epoch_update(struct lu_target *lut);
int tgt_last_commit_cb_add(struct thandle *th, struct lu_target *lut,
struct obd_export *exp, __u64 transno);
int tgt_new_client_cb_add(struct thandle *th, struct obd_export *exp);
int tgt_init(const struct lu_env *env, struct lu_target *lut,
- struct obd_device *obd, struct dt_device *dt);
+ struct obd_device *obd, struct dt_device *dt,
+ struct tgt_opc_slice *slice,
+ int request_fail_id, int reply_fail_id);
void tgt_fini(const struct lu_env *env, struct lu_target *lut);
int tgt_client_alloc(struct obd_export *exp);
void tgt_client_free(struct obd_export *exp);
int tgt_server_data_update(const struct lu_env *env, struct lu_target *tg, int sync);
int tgt_truncate_last_rcvd(const struct lu_env *env, struct lu_target *tg, loff_t off);
+enum {
+ ESERIOUS = 0x0001000
+};
+
+static inline int err_serious(int rc)
+{
+ LASSERT(rc < 0);
+ return -(-rc | ESERIOUS);
+}
+
+static inline int clear_serious(int rc)
+{
+ if (rc < 0)
+ rc = -(-rc & ~ESERIOUS);
+ return rc;
+}
+
+static inline int is_serious(int rc)
+{
+ return (rc < 0 && -rc & ESERIOUS);
+}
+
+/*
+ * Unified target generic handers macros and generic functions.
+ */
+#define TGT_RPC_HANDLER(base, flags, opc, fn, fmt, version) \
+[opc - base] = { \
+ .th_name = #opc, \
+ .th_fail_id = OBD_FAIL_ ## opc ## _NET, \
+ .th_opc = opc, \
+ .th_flags = flags, \
+ .th_act = fn, \
+ .th_fmt = fmt, \
+ .th_version = 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,\
+ LUSTRE_MGS_VERSION)
+#define TGT_MGS_HDL_VAR(flags, name, fn) \
+ TGT_RPC_HANDLER(MGS_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_MGS_VERSION)
+
+/*
+ * OBD handler macros and generic functions.
+ */
+#define TGT_OBD_HDL(flags, name, fn) \
+ TGT_RPC_HANDLER(OBD_FIRST_OPC, flags, name, fn, &RQF_ ## name,\
+ LUSTRE_OBD_VERSION)
+
+/*
+ * DLM handler macros and generic functions.
+ */
+#define TGT_DLM_HDL_VAR(flags, name, fn) \
+ TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_DLM_VERSION)
+#define TGT_DLM_HDL(flags, name, fn) \
+ TGT_RPC_HANDLER(LDLM_FIRST_OPC, flags, name, fn, &RQF_ ## name,\
+ LUSTRE_DLM_VERSION)
+
+/*
+ * LLOG handler macros and generic functions.
+ */
+#define TGT_LLOG_HDL_VAR(flags, name, fn) \
+ TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_LOG_VERSION)
+#define TGT_LLOG_HDL(flags, name, fn) \
+ TGT_RPC_HANDLER(LLOG_FIRST_OPC, flags, name, fn, &RQF_ ## name,\
+ LUSTRE_LOG_VERSION)
+
+/*
+ * Sec context handler macros and generic functions.
+ */
+#define TGT_SEC_HDL_VAR(flags, name, fn) \
+ TGT_RPC_HANDLER(SEC_FIRST_OPC, flags, name, fn, NULL, \
+ LUSTRE_OBD_VERSION)
+
#endif /* __LUSTRE_LU_TARGET_H */
#include <lustre/lustre_idl.h>
#include <lustre_req_layout.h>
#include <md_object.h>
-#include <dt_object.h>
#include <libcfs/libcfs.h>
/*
struct req_capsule *cti_pill;
};
-enum {
- ESERIOUS = 0x0001000
-};
-
-static inline int err_serious(int rc)
-{
- LASSERT(rc < 0);
- return -(-rc | ESERIOUS);
-}
-
-static inline int clear_serious(int rc)
-{
- if (rc < 0)
- rc = -(-rc & ~ESERIOUS);
- return rc;
-}
-
-static inline int is_serious(int rc)
-{
- return (rc < 0 && -rc & ESERIOUS);
-}
-
/** @} mdt */
#endif
int llog_origin_handle_next_block(struct ptlrpc_request *req);
int llog_origin_handle_read_header(struct ptlrpc_request *req);
int llog_origin_handle_close(struct ptlrpc_request *req);
-int llog_origin_handle_cancel(struct ptlrpc_request *req);
/* ptlrpc/llog_client.c */
extern struct llog_operations llog_client_ops;
extern struct req_format RQF_LLOG_ORIGIN_HANDLE_READ_HEADER;
extern struct req_format RQF_LLOG_ORIGIN_CONNECT;
+extern struct req_format RQF_CONNECT;
+
extern struct req_msg_field RMF_GENERIC_DATA;
extern struct req_msg_field RMF_PTLRPC_BODY;
extern struct req_msg_field RMF_MDT_BODY;
#define OBD_FAIL_MGC_PAUSE_PROCESS_LOG 0x903
#define OBD_FAIL_MGS_PAUSE_REQ 0x904
#define OBD_FAIL_MGS_PAUSE_TARGET_REG 0x905
+#define OBD_FAIL_MGS_CONNECT_NET 0x906
+#define OBD_FAIL_MGS_DISCONNECT_NET 0x907
+#define OBD_FAIL_MGS_SET_INFO_NET 0x908
+#define OBD_FAIL_MGS_EXCEPTION_NET 0x909
+#define OBD_FAIL_MGS_TARGET_REG_NET 0x90a
+#define OBD_FAIL_MGS_TARGET_DEL_NET 0x90b
+#define OBD_FAIL_MGS_CONFIG_READ_NET 0x90c
#define OBD_FAIL_QUOTA_DQACQ_NET 0xA01
#define OBD_FAIL_QUOTA_EDQUOT 0xA02
rc = ldlm_handle_setinfo(req);
ldlm_callback_reply(req, rc);
RETURN(0);
- case OBD_LOG_CANCEL: /* remove this eventually - for 1.4.0 compat */
- CERROR("shouldn't be handling OBD_LOG_CANCEL on DLM thread\n");
- req_capsule_set(&req->rq_pill, &RQF_LOG_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_NET))
- RETURN(0);
- rc = llog_origin_handle_cancel(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_REP))
- RETURN(0);
- ldlm_callback_reply(req, rc);
- RETURN(0);
case LLOG_ORIGIN_HANDLE_CREATE:
req_capsule_set(&req->rq_pill, &RQF_LLOG_ORIGIN_HANDLE_CREATE);
if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOGD_NET))
if (rc)
break;
RETURN(0);
- case OBD_LOG_CANCEL:
- req_capsule_set(&req->rq_pill, &RQF_LOG_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_NET))
- RETURN(0);
- rc = llog_origin_handle_cancel(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_REP))
- RETURN(0);
- ldlm_callback_reply(req, rc);
- RETURN(0);
default:
CERROR("invalid opcode %d\n",
lustre_msg_get_opc(req->rq_reqmsg));
}
}
- rc = tgt_init(env, &m->mdt_lut, obd, m->mdt_bottom);
- if (rc)
- GOTO(err_fini_stack, rc);
-
rc = mdt_fld_init(env, mdt_obd_name(m), m);
if (rc)
- GOTO(err_lut, rc);
+ GOTO(err_fini_stack, rc);
rc = mdt_seq_init(env, mdt_obd_name(m), m);
if (rc)
if (rc)
GOTO(err_free_ns, rc);
- rc = mdt_fs_setup(env, m, obd, lsi);
- if (rc)
- GOTO(err_capa, rc);
+ rc = tgt_init(env, &m->mdt_lut, obd, m->mdt_bottom, NULL,
+ OBD_FAIL_MDS_ALL_REQUEST_NET,
+ OBD_FAIL_MDS_ALL_REPLY_NET);
+ if (rc)
+ GOTO(err_capa, rc);
+
+ rc = mdt_fs_setup(env, m, obd, lsi);
+ if (rc)
+ GOTO(err_tgt, rc);
mdt_adapt_sptlrpc_conf(obd, 1);
rc = next->md_ops->mdo_iocontrol(env, next, OBD_IOC_GET_MNTOPT, 0,
&mntopts);
if (rc)
- GOTO(err_llog_cleanup, rc);
+ GOTO(err_fs_cleanup, rc);
if (mntopts & MNTOPT_USERXATTR)
m->mdt_opts.mo_user_xattr = 1;
if (IS_ERR(m->mdt_identity_cache)) {
rc = PTR_ERR(m->mdt_identity_cache);
m->mdt_identity_cache = NULL;
- GOTO(err_llog_cleanup, rc);
+ GOTO(err_fs_cleanup, rc);
}
rc = mdt_procfs_init(m, dev);
ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
"mdt_ldlm_client", m->mdt_ldlm_client);
- ping_evictor_start();
+ ping_evictor_start();
/* recovery will be started upon mdt_prepare()
* when the whole stack is complete and ready
target_recovery_fini(obd);
upcall_cache_cleanup(m->mdt_identity_cache);
m->mdt_identity_cache = NULL;
-err_llog_cleanup:
- mdt_llog_ctxt_unclone(env, m, LLOG_AGENT_ORIG_CTXT);
- mdt_llog_ctxt_unclone(env, m, LLOG_CHANGELOG_ORIG_CTXT);
+err_fs_cleanup:
mdt_fs_cleanup(env, m);
+err_tgt:
+ tgt_fini(env, &m->mdt_lut);
err_capa:
cfs_timer_disarm(&m->mdt_ck_timer);
mdt_ck_thread_stop(m);
mdt_seq_fini(env, m);
err_fini_fld:
mdt_fld_fini(env, m);
-err_lut:
- tgt_fini(env, &m->mdt_lut);
err_fini_stack:
mdt_stack_fini(env, m, md2lu_dev(m->mdt_child));
err_lmi:
#include <obd_class.h>
#include <lustre_net.h>
#include <lustre/lustre_idl.h>
+#include <obd_class.h>
#include <lustre_disk.h>
#include <lu_target.h>
#include <md_object.h>
#include <lustre_mdt.h>
#include <lustre_req_layout.h>
#include <lustre_sec.h>
-#include <lvfs.h>
#include <lustre_idmap.h>
#include <lustre_eacl.h>
#include <lustre_quota.h>
const struct req_format *mh_fmt;
};
-enum mdt_handler_flags {
- /*
- * struct mdt_body is passed in the incoming message, and object
- * identified by this fid exists on disk.
- *
- * "habeo corpus" == "I have a body"
- */
- HABEO_CORPUS = (1 << 0),
- /*
- * struct ldlm_request is passed in the incoming message.
- *
- * "habeo clavis" == "I have a key"
- */
- HABEO_CLAVIS = (1 << 1),
- /*
- * this request has fixed reply format, so that reply message can be
- * packed by generic code.
- *
- * "habeo refero" == "I have a reply"
- */
- HABEO_REFERO = (1 << 2),
- /*
- * this request will modify something, so check whether the filesystem
- * is readonly or not, then return -EROFS to client asap if necessary.
- *
- * "mutabor" == "I shall modify"
- */
- MUTABOR = (1 << 3)
-};
-
struct mdt_opc_slice {
__u32 mos_opc_start;
int mos_opc_end;
static int mgsself_srpc_seq_show(struct seq_file *seq, void *v)
{
- struct obd_device *obd = seq->private;
- struct mgs_device *mgs;
- struct fs_db *fsdb;
- struct lu_env env;
- int rc;
-
- LASSERT(obd != NULL);
- LASSERT(obd->obd_lu_dev != NULL);
- mgs = lu2mgs_dev(obd->obd_lu_dev);
-
- rc = lu_env_init(&env, LCT_MG_THREAD);
- if (rc)
- return rc;
+ struct obd_device *obd = seq->private;
+ struct mgs_device *mgs = lu2mgs_dev(obd->obd_lu_dev);
+ struct lu_target *tgt = &mgs->mgs_lut;
- rc = mgs_find_or_make_fsdb(&env, mgs, MGSSELF_NAME, &fsdb);
- if (rc)
- goto out;
+ read_lock(&tgt->lut_sptlrpc_lock);
+ seq_show_srpc_rules(seq, MGSSELF_NAME, &tgt->lut_sptlrpc_rset);
+ read_unlock(&tgt->lut_sptlrpc_lock);
- mutex_lock(&fsdb->fsdb_mutex);
- seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
- mutex_unlock(&fsdb->fsdb_mutex);
-
-out:
- lu_env_fini(&env);
return 0;
}
#include "mgs_internal.h"
-/* Establish a connection to the MGS.*/
-static int mgs_connect(const struct lu_env *env,
- struct obd_export **exp, struct obd_device *obd,
- struct obd_uuid *cluuid, struct obd_connect_data *data,
- void *localdata)
+/*
+ * Regular MGS handlers
+ */
+static int mgs_connect(struct tgt_session_info *tsi)
{
- struct obd_export *lexp;
- struct lustre_handle conn = { 0 };
- int rc;
- ENTRY;
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ int rc;
- if (!exp || !obd || !cluuid)
- RETURN(-EINVAL);
+ ENTRY;
- rc = class_connect(&conn, obd, cluuid);
- if (rc)
- RETURN(rc);
+ rc = tgt_connect(tsi);
+ if (rc)
+ RETURN(rc);
- lexp = class_conn2export(&conn);
- if (lexp == NULL)
- GOTO(out, rc = -EFAULT);
+ if (lustre_msg_get_conn_cnt(req->rq_reqmsg) > 1)
+ lustre_msg_add_op_flags(req->rq_repmsg, MSG_CONNECT_RECONNECT);
- mgs_counter_incr(lexp, LPROC_MGS_CONNECT);
+ RETURN(0);
+}
- if (data != NULL) {
- data->ocd_connect_flags &= MGS_CONNECT_SUPPORTED;
- data->ocd_version = LUSTRE_VERSION_CODE;
- lexp->exp_connect_data = *data;
- }
+static int mgs_disconnect(struct tgt_session_info *tsi)
+{
+ int rc;
- rc = mgs_export_stats_init(obd, lexp, localdata);
+ ENTRY;
-out:
- if (rc) {
- class_disconnect(lexp);
- } else {
- *exp = lexp;
- }
+ LASSERT(tsi->tsi_exp);
- RETURN(rc);
+ rc = tgt_disconnect(tsi);
+ if (rc)
+ RETURN(err_serious(rc));
+ RETURN(0);
}
-static int mgs_reconnect(const struct lu_env *env,
- struct obd_export *exp, struct obd_device *obd,
- struct obd_uuid *cluuid, struct obd_connect_data *data,
- void *localdata)
+static int mgs_exception(struct tgt_session_info *tsi)
{
ENTRY;
- if (exp == NULL || obd == NULL || cluuid == NULL)
- RETURN(-EINVAL);
-
- mgs_counter_incr(exp, LPROC_MGS_CONNECT);
-
- if (data != NULL) {
- data->ocd_connect_flags &= MGS_CONNECT_SUPPORTED;
- data->ocd_version = LUSTRE_VERSION_CODE;
- exp->exp_connect_data = *data;
- }
+ tgt_counter_incr(tsi->tsi_exp, LPROC_MGS_EXCEPTION);
- RETURN(mgs_export_stats_init(obd, exp, localdata));
+ RETURN(0);
}
-static int mgs_disconnect(struct obd_export *exp)
+static int mgs_set_info(struct tgt_session_info *tsi)
{
- int rc;
- ENTRY;
+ struct mgs_thread_info *mgi;
+ struct mgs_send_param *msp, *rep_msp;
+ struct lustre_cfg *lcfg;
+ int rc;
- LASSERT(exp);
+ ENTRY;
- mgs_fsc_cleanup(exp);
+ mgi = mgs_env_info(tsi->tsi_env);
+ if (IS_ERR(mgi))
+ RETURN(err_serious(PTR_ERR(mgi)));
- class_export_get(exp);
- mgs_counter_incr(exp, LPROC_MGS_DISCONNECT);
+ msp = req_capsule_client_get(tsi->tsi_pill, &RMF_MGS_SEND_PARAM);
+ if (msp == NULL)
+ RETURN(err_serious(-EFAULT));
- rc = server_disconnect_export(exp);
- class_export_put(exp);
- RETURN(rc);
-}
+ /* Construct lustre_cfg structure to pass to function mgs_setparam */
+ lustre_cfg_bufs_reset(&mgi->mgi_bufs, NULL);
+ lustre_cfg_bufs_set_string(&mgi->mgi_bufs, 1, msp->mgs_param);
+ lcfg = lustre_cfg_new(LCFG_PARAM, &mgi->mgi_bufs);
+
+ rc = mgs_setparam(tsi->tsi_env, exp2mgs_dev(tsi->tsi_exp), lcfg,
+ mgi->mgi_fsname);
+ if (rc) {
+ LCONSOLE_WARN("%s: Unable to set parameter %s for %s: %d\n",
+ tgt_name(tsi->tsi_tgt), msp->mgs_param,
+ mgi->mgi_fsname, rc);
+ GOTO(out_cfg, rc);
+ }
-static int mgs_handle(struct ptlrpc_request *req);
+ /* send back the whole msp in the reply */
+ rep_msp = req_capsule_server_get(tsi->tsi_pill, &RMF_MGS_SEND_PARAM);
+ *rep_msp = *msp;
+ EXIT;
+out_cfg:
+ lustre_cfg_free(lcfg);
+ return rc;
+}
static int mgs_completion_ast_config(struct ldlm_lock *lock, __u64 flags,
void *cbdata)
}
/* Called whenever a target starts up. Flags indicate first connect, etc. */
-static int mgs_handle_target_reg(struct ptlrpc_request *req)
+static int mgs_target_reg(struct tgt_session_info *tsi)
{
- struct obd_device *obd = req->rq_export->exp_obd;
- struct mgs_device *mgs = exp2mgs_dev(req->rq_export);
- struct lu_env *env = req->rq_svc_thread->t_env;
- struct mgs_target_info *mti, *rep_mti;
- struct fs_db *fsdb;
- int opc;
- int rc = 0;
- ENTRY;
+ struct obd_device *obd = tsi->tsi_exp->exp_obd;
+ struct mgs_device *mgs = exp2mgs_dev(tsi->tsi_exp);
+ struct mgs_target_info *mti, *rep_mti;
+ struct fs_db *fsdb;
+ int opc;
+ int rc = 0;
+
+ ENTRY;
+
+ rc = lu_env_refill((struct lu_env *)tsi->tsi_env);
+ if (rc)
+ return err_serious(rc);
- mgs_counter_incr(req->rq_export, LPROC_MGS_TARGET_REG);
+ tgt_counter_incr(tsi->tsi_exp, LPROC_MGS_TARGET_REG);
- mti = req_capsule_client_get(&req->rq_pill, &RMF_MGS_TARGET_INFO);
+ mti = req_capsule_client_get(tsi->tsi_pill, &RMF_MGS_TARGET_INFO);
+ if (mti == NULL) {
+ DEBUG_REQ(D_HA, tgt_ses_req(tsi), "no mgs_send_param");
+ RETURN(err_serious(-EFAULT));
+ }
- if (OCD_HAS_FLAG(&req->rq_export->exp_connect_data, IMP_RECOV))
+ if (OCD_HAS_FLAG(&tgt_ses_req(tsi)->rq_export->exp_connect_data,
+ IMP_RECOV))
opc = mti->mti_flags & LDD_F_OPC_MASK;
else
opc = LDD_F_OPC_REG;
if (opc == LDD_F_OPC_READY) {
CDEBUG(D_MGS, "fs: %s index: %d is ready to reconnect.\n",
mti->mti_fsname, mti->mti_stripe_index);
- rc = mgs_ir_update(env, mgs, mti);
+ rc = mgs_ir_update(tsi->tsi_env, mgs, mti);
if (rc) {
LASSERT(!(mti->mti_flags & LDD_F_IR_CAPABLE));
CERROR("Update IR return with %d(ignore and IR "
LDD_F_UPDATE))) {
/* We're just here as a startup ping. */
CDEBUG(D_MGS, "Server %s is running on %s\n",
- mti->mti_svname, obd_export_nid2str(req->rq_export));
- rc = mgs_check_target(env, mgs, mti);
+ mti->mti_svname, obd_export_nid2str(tsi->tsi_exp));
+ rc = mgs_check_target(tsi->tsi_env, mgs, mti);
/* above will set appropriate mti flags */
if (rc <= 0)
/* Nothing wrong, or fatal error */
if (mti->mti_flags & LDD_F_WRITECONF) {
if (mti->mti_flags & LDD_F_SV_TYPE_MDT &&
mti->mti_stripe_index == 0) {
- rc = mgs_erase_logs(env, mgs, mti->mti_fsname);
+ rc = mgs_erase_logs(tsi->tsi_env, mgs,
+ mti->mti_fsname);
LCONSOLE_WARN("%s: Logs for fs %s were removed by user "
"request. All servers must be restarted "
"in order to regenerate the logs."
"\n", obd->obd_name, mti->mti_fsname);
} else if (mti->mti_flags &
(LDD_F_SV_TYPE_OST | LDD_F_SV_TYPE_MDT)) {
- rc = mgs_erase_log(env, mgs, mti->mti_svname);
+ rc = mgs_erase_log(tsi->tsi_env, mgs, mti->mti_svname);
LCONSOLE_WARN("%s: Regenerating %s log by user "
"request.\n",
obd->obd_name, mti->mti_svname);
GOTO(out_nolock, rc);
}
- rc = mgs_find_or_make_fsdb(env, mgs, mti->mti_fsname, &fsdb);
+ rc = mgs_find_or_make_fsdb(tsi->tsi_env, mgs, mti->mti_fsname, &fsdb);
if (rc) {
CERROR("Can't get db for %s: %d\n", mti->mti_fsname, rc);
GOTO(out_nolock, rc);
/* create or update the target log
and update the client/mdt logs */
- rc = mgs_write_log_target(env, mgs, mti, fsdb);
+ rc = mgs_write_log_target(tsi->tsi_env, mgs, mti, fsdb);
if (rc) {
CERROR("Failed to write %s log (%d)\n",
mti->mti_svname, rc);
mgs_revoke_lock(mgs, fsdb, CONFIG_T_CONFIG);
out_nolock:
- CDEBUG(D_MGS, "replying with %s, index=%d, rc=%d\n", mti->mti_svname,
- mti->mti_stripe_index, rc);
- req->rq_status = rc;
- if (rc)
- /* we need an error flag to tell the target what's going on,
- * instead of just doing it by error code only. */
- mti->mti_flags |= LDD_F_ERROR;
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- RETURN(rc);
-
- /* send back the whole mti in the reply */
- rep_mti = req_capsule_server_get(&req->rq_pill, &RMF_MGS_TARGET_INFO);
- *rep_mti = *mti;
-
- /* Flush logs to disk */
- dt_sync(req->rq_svc_thread->t_env, mgs->mgs_bottom);
- RETURN(rc);
-}
-
-static int mgs_set_info_rpc(struct ptlrpc_request *req)
-{
- struct mgs_device *mgs = exp2mgs_dev(req->rq_export);
- struct lu_env *env = req->rq_svc_thread->t_env;
- struct mgs_send_param *msp, *rep_msp;
- struct mgs_thread_info *mgi = mgs_env_info(env);
- int rc;
- struct lustre_cfg *lcfg;
- ENTRY;
-
- msp = req_capsule_client_get(&req->rq_pill, &RMF_MGS_SEND_PARAM);
- LASSERT(msp);
+ CDEBUG(D_MGS, "replying with %s, index=%d, rc=%d\n", mti->mti_svname,
+ mti->mti_stripe_index, rc);
+ /* An error flag is set in the mti reply rather than an error code */
+ if (rc)
+ mti->mti_flags |= LDD_F_ERROR;
- /* Construct lustre_cfg structure to pass to function mgs_setparam */
- lustre_cfg_bufs_reset(&mgi->mgi_bufs, NULL);
- lustre_cfg_bufs_set_string(&mgi->mgi_bufs, 1, msp->mgs_param);
- lcfg = lustre_cfg_new(LCFG_PARAM, &mgi->mgi_bufs);
- if (IS_ERR(lcfg))
- GOTO(out, rc = PTR_ERR(lcfg));
- rc = mgs_setparam(env, mgs, lcfg, mgi->mgi_fsname);
- if (rc) {
- CERROR("Error %d in setting the parameter %s for fs %s\n",
- rc, msp->mgs_param, mgi->mgi_fsname);
- GOTO(out_cfg, rc);
- }
+ /* send back the whole mti in the reply */
+ rep_mti = req_capsule_server_get(tsi->tsi_pill, &RMF_MGS_TARGET_INFO);
+ *rep_mti = *mti;
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc == 0) {
- rep_msp = req_capsule_server_get(&req->rq_pill, &RMF_MGS_SEND_PARAM);
- rep_msp = msp;
- }
-out_cfg:
- lustre_cfg_free(lcfg);
-out:
- RETURN(rc);
+ /* Flush logs to disk */
+ dt_sync(tsi->tsi_env, mgs->mgs_bottom);
+ RETURN(rc);
}
-static int mgs_config_read(struct ptlrpc_request *req)
+/* Called whenever a target cleans up. */
+static int mgs_target_del(struct tgt_session_info *tsi)
{
- struct mgs_config_body *body;
- int rc;
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_MGS_CONFIG_BODY);
- if (body == NULL)
- RETURN(-EINVAL);
-
- switch (body->mcb_type) {
- case CONFIG_T_RECOVER:
- rc = mgs_get_ir_logs(req);
- break;
-
- case CONFIG_T_CONFIG:
- rc = -ENOTSUPP;
- break;
+ ENTRY;
- default:
- rc = -EINVAL;
- break;
- }
+ tgt_counter_incr(tsi->tsi_exp, LPROC_MGS_TARGET_DEL);
- RETURN(rc);
+ RETURN(0);
}
-/*
- * similar as in ost_connect_check_sptlrpc()
- */
-static int mgs_connect_check_sptlrpc(struct ptlrpc_request *req)
+static int mgs_config_read(struct tgt_session_info *tsi)
{
- struct obd_export *exp = req->rq_export;
- struct mgs_device *mgs = exp2mgs_dev(req->rq_export);
- struct lu_env *env = req->rq_svc_thread->t_env;
- struct fs_db *fsdb;
- struct sptlrpc_flavor flvr;
- int rc = 0;
-
- if (exp->exp_flvr.sf_rpc == SPTLRPC_FLVR_INVALID) {
- rc = mgs_find_or_make_fsdb(env, mgs, MGSSELF_NAME, &fsdb);
- if (rc)
- return rc;
-
- mutex_lock(&fsdb->fsdb_mutex);
- if (sptlrpc_rule_set_choose(&fsdb->fsdb_srpc_gen,
- LUSTRE_SP_MGC, LUSTRE_SP_MGS,
- req->rq_peer.nid,
- &flvr) == 0) {
- /* by defualt allow any flavors */
- flvr.sf_rpc = SPTLRPC_FLVR_ANY;
- }
- mutex_unlock(&fsdb->fsdb_mutex);
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct mgs_config_body *body;
+ int rc;
- 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("invalid rpc flavor %x, expect %x, from %s\n",
- req->rq_flvr.sf_rpc, exp->exp_flvr.sf_rpc,
- libcfs_nid2str(req->rq_peer.nid));
- 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);
- }
- }
+ ENTRY;
- return rc;
-}
+ body = req_capsule_client_get(tsi->tsi_pill, &RMF_MGS_CONFIG_BODY);
+ if (body == NULL) {
+ DEBUG_REQ(D_HA, req, "no mgs_config_body");
+ RETURN(err_serious(-EFAULT));
+ }
-/* Called whenever a target cleans up. */
-/* XXX - Currently unused */
-static int mgs_handle_target_del(struct ptlrpc_request *req)
-{
- ENTRY;
- mgs_counter_incr(req->rq_export, LPROC_MGS_TARGET_DEL);
- RETURN(0);
-}
+ switch (body->mcb_type) {
+ case CONFIG_T_RECOVER:
+ rc = mgs_get_ir_logs(req);
+ break;
+ case CONFIG_T_CONFIG:
+ rc = -EOPNOTSUPP;
+ break;
+ default:
+ rc = -EINVAL;
+ break;
+ }
-/* XXX - Currently unused */
-static int mgs_handle_exception(struct ptlrpc_request *req)
-{
- ENTRY;
- mgs_counter_incr(req->rq_export, LPROC_MGS_EXCEPTION);
- RETURN(0);
+ RETURN(rc);
}
-/*
- * For old clients there is no direct way of knowing which filesystems
- * a client is operating at the MGS side. But we need to pick up those
- * clients so that the MGS can mark the corresponding filesystem as
- * non-IR capable because old clients are not ready to be notified.
- *
- * This is why we have this _hack_ function. We detect the filesystem's
- * name by hacking llog operation which is currently used by the clients
- * to fetch configuration logs. At present this is fine because this is
- * the ONLY llog operation between mgc and the MGS.
- *
- * If extra llog operation is going to be added, this function needs fixing.
- *
- * If releases prior than 2.0 are not supported, we can remove this function.
- */
-static int mgs_handle_fslog_hack(struct ptlrpc_request *req)
+static int mgs_llog_open(struct tgt_session_info *tsi)
{
- char *logname;
- char fsname[16];
- char *ptr;
- int rc;
+ struct mgs_thread_info *mgi;
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ char *logname;
+ int rc;
- /* XXX: We suppose that llog at mgs is only used for
- * fetching file system log */
- logname = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
- if (logname == NULL) {
- CERROR("No logname, is llog on MGS used for something else?\n");
- return -EINVAL;
- }
-
- ptr = strchr(logname, '-');
- rc = (int)(ptr - logname);
- if (ptr == NULL || rc >= sizeof(fsname)) {
- CERROR("Invalid logname received: %s\n", logname);
- return -EINVAL;
- }
+ ENTRY;
- strncpy(fsname, logname, rc);
- fsname[rc] = 0;
- rc = mgs_fsc_attach(req->rq_svc_thread->t_env, req->rq_export, fsname);
- if (rc < 0 && rc != -EEXIST)
- CERROR("add fs client %s returns %d\n", fsname, rc);
+ rc = tgt_llog_open(tsi);
+ if (rc)
+ RETURN(rc);
- return rc;
+ /*
+ * For old clients there is no direct way of knowing which file system
+ * a client is operating at the MGS side. But we need to pick up those
+ * clients so that the MGS can mark the corresponding file system as
+ * non-IR capable because old clients are not ready to be notified.
+ *
+ * Therefore we attempt to detect the file systems name by hacking the
+ * llog operation which is currently used by the clients to fetch
+ * configuration logs. At present this is fine because this is the
+ * ONLY llog operation between mgc and the MGS.
+ *
+ * If extra llog operation are going to be added, this function needs
+ * further work.
+ *
+ * When releases prior than 2.0 are not supported, the following code
+ * can be removed.
+ */
+ mgi = mgs_env_info(tsi->tsi_env);
+ if (IS_ERR(mgi))
+ RETURN(PTR_ERR(mgi));
+
+ logname = req_capsule_client_get(tsi->tsi_pill, &RMF_NAME);
+ if (logname) {
+ char *ptr = strchr(logname, '-');
+ int len = (int)(ptr - logname);
+
+ if (ptr == NULL || len >= sizeof(mgi->mgi_fsname)) {
+ LCONSOLE_WARN("%s: non-config logname received: %s\n",
+ tgt_name(tsi->tsi_tgt), logname);
+ /* not error, this can be llog test name */
+ } else {
+ strncpy(mgi->mgi_fsname, logname, len);
+ mgi->mgi_fsname[len] = 0;
+
+ rc = mgs_fsc_attach(tsi->tsi_env, tsi->tsi_exp,
+ mgi->mgi_fsname);
+ if (rc && rc != -EEXIST) {
+ LCONSOLE_WARN("%s: Unable to add client %s "
+ "to file system %s: %d\n",
+ tgt_name(tsi->tsi_tgt),
+ libcfs_nid2str(req->rq_peer.nid),
+ mgi->mgi_fsname, rc);
+ } else {
+ rc = 0;
+ }
+ }
+ } else {
+ CERROR("%s: no logname in request\n", tgt_name(tsi->tsi_tgt));
+ RETURN(-EINVAL);
+ }
+ RETURN(rc);
}
-/* TODO: handle requests in a similar way as MDT: see mdt_handle_common() */
-int mgs_handle(struct ptlrpc_request *req)
+/*
+ * sec context handlers
+ */
+/* XXX: Implement based on mdt_sec_ctx_handle()? */
+static int mgs_sec_ctx_handle(struct tgt_session_info *tsi)
{
- int fail = OBD_FAIL_MGS_ALL_REPLY_NET;
- int opc, rc = 0;
- ENTRY;
-
- req_capsule_init(&req->rq_pill, req, RCL_SERVER);
- CFS_FAIL_TIMEOUT_MS(OBD_FAIL_MGS_PAUSE_REQ, cfs_fail_val);
- if (CFS_FAIL_CHECK(OBD_FAIL_MGS_ALL_REQUEST_NET))
- RETURN(0);
-
- LASSERT(current->journal_info == NULL);
- opc = lustre_msg_get_opc(req->rq_reqmsg);
-
- if (opc == SEC_CTX_INIT ||
- opc == SEC_CTX_INIT_CONT ||
- opc == SEC_CTX_FINI)
- GOTO(out, rc = 0);
-
- if (opc != MGS_CONNECT) {
- if (!class_connected_export(req->rq_export)) {
- DEBUG_REQ(D_MGS, req, "operation on unconnected MGS\n");
- req->rq_status = -ENOTCONN;
- GOTO(out, rc = -ENOTCONN);
- }
- }
-
- switch (opc) {
- case MGS_CONNECT:
- DEBUG_REQ(D_MGS, req, "connect");
- /* MGS and MDS have same request format for connect */
- req_capsule_set(&req->rq_pill, &RQF_MDS_CONNECT);
- rc = target_handle_connect(req);
- if (rc == 0)
- rc = mgs_connect_check_sptlrpc(req);
-
- if (!rc && (lustre_msg_get_conn_cnt(req->rq_reqmsg) > 1))
- /* Make clients trying to reconnect after a MGS restart
- happy; also requires obd_replayable */
- lustre_msg_add_op_flags(req->rq_repmsg,
- MSG_CONNECT_RECONNECT);
- break;
- case MGS_DISCONNECT:
- DEBUG_REQ(D_MGS, req, "disconnect");
- /* MGS and MDS have same request format for disconnect */
- req_capsule_set(&req->rq_pill, &RQF_MDS_DISCONNECT);
- rc = target_handle_disconnect(req);
- req->rq_status = rc; /* superfluous? */
- break;
- case MGS_EXCEPTION:
- DEBUG_REQ(D_MGS, req, "exception");
- rc = mgs_handle_exception(req);
- break;
- case MGS_TARGET_REG:
- DEBUG_REQ(D_MGS, req, "target add");
- req_capsule_set(&req->rq_pill, &RQF_MGS_TARGET_REG);
- rc = mgs_handle_target_reg(req);
- break;
- case MGS_TARGET_DEL:
- DEBUG_REQ(D_MGS, req, "target del");
- rc = mgs_handle_target_del(req);
- break;
- case MGS_SET_INFO:
- DEBUG_REQ(D_MGS, req, "set_info");
- req_capsule_set(&req->rq_pill, &RQF_MGS_SET_INFO);
- rc = mgs_set_info_rpc(req);
- break;
- case MGS_CONFIG_READ:
- DEBUG_REQ(D_MGS, req, "read config");
- req_capsule_set(&req->rq_pill, &RQF_MGS_CONFIG_READ);
- rc = mgs_config_read(req);
- break;
- case LDLM_ENQUEUE:
- DEBUG_REQ(D_MGS, req, "enqueue");
- req_capsule_set(&req->rq_pill, &RQF_LDLM_ENQUEUE);
- rc = ldlm_handle_enqueue(req, ldlm_server_completion_ast,
- ldlm_server_blocking_ast, NULL);
- break;
- case LDLM_BL_CALLBACK:
- case LDLM_CP_CALLBACK:
- DEBUG_REQ(D_MGS, req, "callback");
- CERROR("callbacks should not happen on MGS\n");
- LBUG();
- break;
-
- case OBD_PING:
- DEBUG_REQ(D_INFO, req, "ping");
- req_capsule_set(&req->rq_pill, &RQF_OBD_PING);
- rc = target_handle_ping(req);
- break;
- case OBD_LOG_CANCEL:
- DEBUG_REQ(D_MGS, req, "log cancel");
- rc = -ENOTSUPP; /* la la la */
- break;
-
- case LLOG_ORIGIN_HANDLE_CREATE:
- DEBUG_REQ(D_MGS, req, "llog_open");
- req_capsule_set(&req->rq_pill, &RQF_LLOG_ORIGIN_HANDLE_CREATE);
- rc = llog_origin_handle_open(req);
- if (rc == 0)
- (void)mgs_handle_fslog_hack(req);
- break;
- case LLOG_ORIGIN_HANDLE_NEXT_BLOCK:
- DEBUG_REQ(D_MGS, req, "llog next block");
- req_capsule_set(&req->rq_pill,
- &RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK);
- rc = llog_origin_handle_next_block(req);
- break;
- case LLOG_ORIGIN_HANDLE_PREV_BLOCK:
- DEBUG_REQ(D_MGS, req, "llog prev block");
- req_capsule_set(&req->rq_pill,
- &RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK);
- rc = llog_origin_handle_prev_block(req);
- break;
- case LLOG_ORIGIN_HANDLE_READ_HEADER:
- DEBUG_REQ(D_MGS, req, "llog read header");
- req_capsule_set(&req->rq_pill,
- &RQF_LLOG_ORIGIN_HANDLE_READ_HEADER);
- rc = llog_origin_handle_read_header(req);
- break;
- case LLOG_ORIGIN_HANDLE_CLOSE:
- DEBUG_REQ(D_MGS, req, "llog close");
- rc = llog_origin_handle_close(req);
- break;
- default:
- rc = -EOPNOTSUPP;
- }
-
- LASSERT(current->journal_info == NULL);
- if (rc) {
- DEBUG_REQ(D_MGS, req, "MGS fail to handle opc = %d: rc = %d\n",
- opc, rc);
- req->rq_status = rc;
- rc = ptlrpc_error(req);
- RETURN(rc);
- }
-out:
- target_send_reply(req, rc, fail);
- RETURN(0);
+ return 0;
}
static inline int mgs_init_export(struct obd_export *exp)
RETURN(rc);
}
+static struct tgt_handler mgs_mgs_handlers[] = {
+TGT_RPC_HANDLER(MGS_FIRST_OPC,
+ 0, MGS_CONNECT, mgs_connect,
+ &RQF_CONNECT, LUSTRE_OBD_VERSION),
+TGT_RPC_HANDLER(MGS_FIRST_OPC,
+ 0, MGS_DISCONNECT, mgs_disconnect,
+ &RQF_MDS_DISCONNECT, LUSTRE_OBD_VERSION),
+TGT_MGS_HDL_VAR(0, MGS_EXCEPTION, mgs_exception),
+TGT_MGS_HDL (HABEO_REFERO | MUTABOR, MGS_SET_INFO, mgs_set_info),
+TGT_MGS_HDL (HABEO_REFERO | MUTABOR, MGS_TARGET_REG, mgs_target_reg),
+TGT_MGS_HDL_VAR(0, MGS_TARGET_DEL, mgs_target_del),
+TGT_MGS_HDL (HABEO_REFERO, MGS_CONFIG_READ, mgs_config_read),
+};
+
+static struct tgt_handler mgs_obd_handlers[] = {
+TGT_OBD_HDL(0, OBD_PING, tgt_obd_ping),
+};
+
+static struct tgt_handler mgs_dlm_handlers[] = {
+TGT_DLM_HDL(HABEO_CLAVIS, LDLM_ENQUEUE, tgt_enqueue),
+};
+
+static struct tgt_handler mgs_llog_handlers[] = {
+TGT_LLOG_HDL (0, LLOG_ORIGIN_HANDLE_CREATE, mgs_llog_open),
+TGT_LLOG_HDL (0, LLOG_ORIGIN_HANDLE_NEXT_BLOCK, tgt_llog_next_block),
+TGT_LLOG_HDL (0, LLOG_ORIGIN_HANDLE_READ_HEADER, tgt_llog_read_header),
+TGT_LLOG_HDL_VAR(0, LLOG_ORIGIN_HANDLE_CLOSE, tgt_llog_close),
+TGT_LLOG_HDL (0, LLOG_ORIGIN_HANDLE_PREV_BLOCK, tgt_llog_prev_block),
+};
+
+static struct tgt_handler mgs_sec_ctx_handlers[] = {
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT, mgs_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_INIT_CONT, mgs_sec_ctx_handle),
+TGT_SEC_HDL_VAR(0, SEC_CTX_FINI, mgs_sec_ctx_handle),
+};
+
+static struct tgt_opc_slice mgs_common_slice[] = {
+ {
+ .tos_opc_start = MGS_FIRST_OPC,
+ .tos_opc_end = MGS_LAST_OPC,
+ .tos_hs = mgs_mgs_handlers
+ },
+ {
+ .tos_opc_start = OBD_FIRST_OPC,
+ .tos_opc_end = OBD_LAST_OPC,
+ .tos_hs = mgs_obd_handlers
+ },
+ {
+ .tos_opc_start = LDLM_FIRST_OPC,
+ .tos_opc_end = LDLM_LAST_OPC,
+ .tos_hs = mgs_dlm_handlers
+ },
+ {
+ .tos_opc_start = LLOG_FIRST_OPC,
+ .tos_opc_end = LLOG_LAST_OPC,
+ .tos_hs = mgs_llog_handlers
+ },
+ {
+ .tos_opc_start = SEC_FIRST_OPC,
+ .tos_opc_end = SEC_LAST_OPC,
+ .tos_hs = mgs_sec_ctx_handlers
+ },
+ {
+ .tos_hs = NULL
+ }
+};
static int mgs_init0(const struct lu_env *env, struct mgs_device *mgs,
struct lu_device_type *ldt, struct lustre_cfg *lcfg)
{
- static struct ptlrpc_service_conf conf;
- struct obd_device *obd;
- struct lustre_mount_info *lmi;
- struct llog_ctxt *ctxt;
- int rc;
+ struct ptlrpc_service_conf conf;
+ struct obd_device *obd;
+ struct lustre_mount_info *lmi;
+ struct llog_ctxt *ctxt;
+ int rc;
ENTRY;
if (obd->obd_namespace == NULL)
GOTO(err_ops, rc = -ENOMEM);
- /* ldlm setup */
- ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
- "mgs_ldlm_client", &obd->obd_ldlm_client);
+ /* No recovery for MGCs */
+ obd->obd_replayable = 0;
+
+ rc = tgt_init(env, &mgs->mgs_lut, obd, mgs->mgs_bottom,
+ mgs_common_slice, OBD_FAIL_MGS_ALL_REQUEST_NET,
+ OBD_FAIL_MGS_ALL_REPLY_NET);
+ if (rc)
+ GOTO(err_ns, rc);
rc = mgs_fs_setup(env, mgs);
if (rc) {
CERROR("%s: MGS filesystem method init failed: rc = %d\n",
obd->obd_name, rc);
- GOTO(err_ns, rc);
+ GOTO(err_tgt, rc);
}
rc = llog_setup(env, obd, &obd->obd_olg, LLOG_CONFIG_ORIG_CTXT,
ctxt->loc_dir = mgs->mgs_configs_dir;
llog_ctxt_put(ctxt);
- /* No recovery for MGC's */
- obd->obd_replayable = 0;
-
/* Internal mgs setup */
mgs_init_fsdb_list(mgs);
mutex_init(&mgs->mgs_mutex);
GOTO(err_llog, rc);
}
+ ptlrpc_init_client(LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
+ "mgs_ldlm_client", &obd->obd_ldlm_client);
+
conf = (typeof(conf)) {
.psc_name = LUSTRE_MGS_NAME,
.psc_watchdog_factor = MGS_SERVICE_WATCHDOG_FACTOR,
.tc_ctx_tags = LCT_MG_THREAD,
},
.psc_ops = {
- .so_req_handler = mgs_handle,
+ .so_req_handler = tgt_request_handle,
.so_req_printer = target_print_req,
},
};
+
/* Start the service threads */
mgs->mgs_service = ptlrpc_register_service(&conf, obd->obd_proc_entry);
if (IS_ERR(mgs->mgs_service)) {
rc = PTR_ERR(mgs->mgs_service);
- CERROR("failed to start service: %d\n", rc);
+ CERROR("failed to start mgs service: %d\n", rc);
+ mgs->mgs_service = NULL;
GOTO(err_lproc, rc);
}
/* device stack is not yet fully setup to keep no objects behind */
lu_site_purge(env, mgs2lu_dev(mgs)->ld_site, ~0);
RETURN(0);
-
err_lproc:
lproc_mgs_cleanup(mgs);
err_llog:
ctxt->loc_dir = NULL;
llog_cleanup(env, ctxt);
}
+err_tgt:
+ tgt_fini(env, &mgs->mgs_lut);
err_fs:
/* No extra cleanup needed for llog_init_commit_thread() */
mgs_fs_cleanup(env, mgs);
LASSERT(mgs->mgs_bottom);
+ class_disconnect_exports(obd);
+
ping_evictor_stop();
ptlrpc_unregister_service(mgs->mgs_service);
obd_exports_barrier(obd);
obd_zombie_barrier();
+ tgt_fini(env, &mgs->mgs_lut);
mgs_cleanup_fsdb_list(mgs);
lproc_mgs_cleanup(mgs);
.ldt_ctx_tags = LCT_MG_THREAD
};
+static int mgs_obd_connect(const struct lu_env *env, struct obd_export **exp,
+ struct obd_device *obd, struct obd_uuid *cluuid,
+ struct obd_connect_data *data, void *localdata)
+{
+ struct obd_export *lexp;
+ struct lustre_handle conn = { 0 };
+ int rc;
+
+ ENTRY;
+
+ if (exp == NULL || obd == NULL || cluuid == NULL)
+ RETURN(-EINVAL);
+
+ rc = class_connect(&conn, obd, cluuid);
+ if (rc)
+ RETURN(rc);
+
+ lexp = class_conn2export(&conn);
+ if (lexp == NULL)
+ RETURN(-EFAULT);
+
+ if (data != NULL) {
+ data->ocd_connect_flags &= MGS_CONNECT_SUPPORTED;
+ data->ocd_version = LUSTRE_VERSION_CODE;
+ lexp->exp_connect_data = *data;
+ }
+
+ tgt_counter_incr(lexp, LPROC_MGS_CONNECT);
+
+ rc = mgs_export_stats_init(obd, lexp, localdata);
+ if (rc)
+ class_disconnect(lexp);
+ else
+ *exp = lexp;
+
+ RETURN(rc);
+}
+
+static int mgs_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
+ struct obd_device *obd, struct obd_uuid *cluuid,
+ struct obd_connect_data *data, void *localdata)
+{
+ ENTRY;
+
+ if (exp == NULL || obd == NULL || cluuid == NULL)
+ RETURN(-EINVAL);
+
+ tgt_counter_incr(exp, LPROC_MGS_CONNECT);
+
+ if (data != NULL) {
+ data->ocd_connect_flags &= MGS_CONNECT_SUPPORTED;
+ data->ocd_version = LUSTRE_VERSION_CODE;
+ exp->exp_connect_data = *data;
+ }
+
+ RETURN(mgs_export_stats_init(obd, exp, localdata));
+}
+
+static int mgs_obd_disconnect(struct obd_export *exp)
+{
+ int rc;
+
+ ENTRY;
+
+ LASSERT(exp);
+
+ mgs_fsc_cleanup(exp);
+
+ class_export_get(exp);
+ tgt_counter_incr(exp, LPROC_MGS_DISCONNECT);
+
+ rc = server_disconnect_export(exp);
+ class_export_put(exp);
+ RETURN(rc);
+}
/* use obd ops to offer management infrastructure */
-static struct obd_ops mgs_obd_ops = {
- .o_owner = THIS_MODULE,
- .o_connect = mgs_connect,
- .o_reconnect = mgs_reconnect,
- .o_disconnect = mgs_disconnect,
- .o_init_export = mgs_init_export,
- .o_destroy_export = mgs_destroy_export,
- .o_iocontrol = mgs_iocontrol,
+static struct obd_ops mgs_obd_device_ops = {
+ .o_owner = THIS_MODULE,
+ .o_connect = mgs_obd_connect,
+ .o_reconnect = mgs_obd_reconnect,
+ .o_disconnect = mgs_obd_disconnect,
+ .o_init_export = mgs_init_export,
+ .o_destroy_export = mgs_destroy_export,
+ .o_iocontrol = mgs_iocontrol,
};
static int __init mgs_init(void)
{
- struct lprocfs_static_vars lvars;
+ struct lprocfs_static_vars lvars;
- lprocfs_mgs_init_vars(&lvars);
- class_register_type(&mgs_obd_ops, NULL, lvars.module_vars,
+ lprocfs_mgs_init_vars(&lvars);
+ class_register_type(&mgs_obd_device_ops, NULL, lvars.module_vars,
LUSTRE_MGS_NAME, &mgs_device_type);
return 0;
static void /*__exit*/ mgs_exit(void)
{
- class_unregister_type(LUSTRE_MGS_NAME);
+ class_unregister_type(LUSTRE_MGS_NAME);
}
MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
struct obd_device *mgs_obd;
struct local_oid_storage *mgs_los;
struct mutex mgs_mutex;
+ struct lu_target mgs_lut;
};
/* this is a top object */
static inline struct mgs_thread_info *mgs_env_info(const struct lu_env *env)
{
- struct mgs_thread_info *info;
+ struct mgs_thread_info *info;
+ int rc;
info = lu_context_key_get(&env->le_ctx, &mgs_thread_key);
+ if (info == NULL) {
+ rc = lu_env_refill((struct lu_env *)env);
+ if (rc != 0)
+ return ERR_PTR(rc);
+ info = lu_context_key_get(&env->le_ctx, &mgs_thread_key);
+ }
LASSERT(info != NULL);
return info;
}
if (pages == NULL)
RETURN(-ENOMEM);
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out, rc);
-
res = req_capsule_server_get(&req->rq_pill, &RMF_MGS_CONFIG_RES);
if (res == NULL)
GOTO(out, rc = -EINVAL);
m->ofd_grant_ratio =
ofd_grant_ratio_conv(m->ofd_dt_conf.ddp_grant_reserved);
- rc = tgt_init(env, &m->ofd_lut, obd, m->ofd_osd);
+ rc = tgt_init(env, &m->ofd_lut, obd, m->ofd_osd, NULL,
+ OBD_FAIL_OST_ALL_REQUEST_NET,
+ OBD_FAIL_OST_ALL_REPLY_NET);
if (rc)
GOTO(err_free_ns, rc);
if (rc)
RETURN(rc);
RETURN(ptlrpc_reply(req));
- case OBD_LOG_CANCEL:
- CDEBUG(D_INODE, "log cancel\n");
- req_capsule_set(&req->rq_pill, &RQF_LOG_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_NET))
- RETURN(0);
- rc = llog_origin_handle_cancel(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_REP))
- RETURN(0);
- 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);
ptlrpc_objs += errno.o
target_objs := $(TARGET)tgt_main.o $(TARGET)tgt_lastrcvd.o
+target_objs += $(TARGET)tgt_handler.o
ptlrpc-objs := $(ldlm_objs) $(ptlrpc_objs)
@SERVER_TRUE@ptlrpc-objs += $(target_objs)
&RQF_LLOG_ORIGIN_HANDLE_NEXT_BLOCK,
&RQF_LLOG_ORIGIN_HANDLE_PREV_BLOCK,
&RQF_LLOG_ORIGIN_HANDLE_READ_HEADER,
- &RQF_LLOG_ORIGIN_CONNECT
+ &RQF_LLOG_ORIGIN_CONNECT,
+ &RQF_CONNECT,
};
struct req_msg_field {
DEFINE_REQ_FMT0("LLOG_ORIGIN_CONNECT", llogd_conn_body_only, empty);
EXPORT_SYMBOL(RQF_LLOG_ORIGIN_CONNECT);
+struct req_format RQF_CONNECT =
+ DEFINE_REQ_FMT0("CONNECT", obd_connect_client, obd_connect_server);
+EXPORT_SYMBOL(RQF_CONNECT);
+
struct req_format RQF_OST_CONNECT =
DEFINE_REQ_FMT0("OST_CONNECT",
obd_connect_client, obd_connect_server);
#endif
#include <obd_class.h>
+#include <lu_target.h>
#include <lustre_log.h>
#include <lustre_net.h>
-#include <lustre_fsfilt.h>
#if defined(__KERNEL__) && defined(LUSTRE_LOG_SERVER)
static int llog_origin_close(const struct lu_env *env, struct llog_handle *lgh)
{
struct obd_export *exp = req->rq_export;
struct obd_device *obd = exp->exp_obd;
- struct obd_device *disk_obd;
- struct lvfs_run_ctxt saved;
struct llog_handle *loghandle;
struct llogd_body *body;
struct llog_logid *logid = NULL;
ENTRY;
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
if (ostid_id(&body->lgd_logid.lgl_oi) > 0)
logid = &body->lgd_logid;
- if (req_capsule_field_present(&req->rq_pill, &RMF_NAME, RCL_CLIENT)) {
- name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
- if (name == NULL)
- RETURN(-EFAULT);
- CDEBUG(D_INFO, "%s: opening log %s\n", obd->obd_name, name);
- }
-
- ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
- if (ctxt == NULL) {
- CDEBUG(D_WARNING, "%s: no ctxt. group=%p idx=%d name=%s\n",
- obd->obd_name, &obd->obd_olg, body->lgd_ctxt_idx, name);
- RETURN(-ENODEV);
- }
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+ if (req_capsule_field_present(&req->rq_pill, &RMF_NAME, RCL_CLIENT)) {
+ name = req_capsule_client_get(&req->rq_pill, &RMF_NAME);
+ if (name == NULL)
+ RETURN(-EFAULT);
+ CDEBUG(D_INFO, "%s: opening log %s\n", obd->obd_name, name);
+ }
+
+ ctxt = llog_get_context(obd, body->lgd_ctxt_idx);
+ if (ctxt == NULL) {
+ CDEBUG(D_WARNING, "%s: no ctxt. group=%p idx=%d name=%s\n",
+ obd->obd_name, &obd->obd_olg, body->lgd_ctxt_idx, name);
+ RETURN(-ENODEV);
+ }
rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle, logid,
name, LLOG_OPEN_EXISTS);
- if (rc)
- GOTO(out_pop, rc);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
+ if (rc)
+ GOTO(out_ctxt, rc);
- body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- body->lgd_logid = loghandle->lgh_id;
+ body = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ body->lgd_logid = loghandle->lgh_id;
- EXIT;
-out_close:
llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+ EXIT;
+out_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
int llog_origin_handle_destroy(struct ptlrpc_request *req)
{
- struct obd_device *disk_obd;
- struct lvfs_run_ctxt saved;
struct llogd_body *body;
struct llog_logid *logid = NULL;
struct llog_ctxt *ctxt;
ENTRY;
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc < 0)
+ RETURN(err_serious(-ENOMEM));
if (ostid_id(&body->lgd_logid.lgl_oi) > 0)
logid = &body->lgd_logid;
if (ctxt == NULL)
RETURN(-ENODEV);
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
- rc = req_capsule_server_pack(&req->rq_pill);
- /* erase only if no error and logid is valid */
- if (rc == 0)
- rc = llog_erase(req->rq_svc_thread->t_env, ctxt, logid, NULL);
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+ rc = llog_erase(req->rq_svc_thread->t_env, ctxt, logid, NULL);
llog_ctxt_put(ctxt);
RETURN(rc);
}
int llog_origin_handle_next_block(struct ptlrpc_request *req)
{
- struct obd_device *disk_obd;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct llogd_body *repbody;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- void *ptr;
- int rc;
-
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llogd_body *repbody;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ void *ptr;
+ int rc;
+
+ ENTRY;
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
+ LLOG_CHUNK_SIZE);
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
RETURN(-ENODEV);
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
&body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
if (rc)
- GOTO(out_pop, rc);
+ GOTO(out_ctxt, rc);
flags = body->lgd_llh_flags;
rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
NULL);
- if (rc)
- GOTO(out_close, rc);
-
- req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
- LLOG_CHUNK_SIZE);
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
+ if (rc)
+ GOTO(out_close, rc);
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- *repbody = *body;
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ *repbody = *body;
- ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
+ ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
rc = llog_next_block(req->rq_svc_thread->t_env, loghandle,
&repbody->lgd_saved_index, repbody->lgd_index,
&repbody->lgd_cur_offset, ptr, LLOG_CHUNK_SIZE);
EXIT;
out_close:
llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+out_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
int llog_origin_handle_prev_block(struct ptlrpc_request *req)
{
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct llogd_body *repbody;
- struct obd_device *disk_obd;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- void *ptr;
- int rc;
-
- ENTRY;
-
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llogd_body *repbody;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ void *ptr;
+ int rc;
+
+ ENTRY;
+
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
+
+ req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
+ LLOG_CHUNK_SIZE);
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
RETURN(-ENODEV);
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
&body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
if (rc)
- GOTO(out_pop, rc);
+ GOTO(out_ctxt, rc);
flags = body->lgd_llh_flags;
rc = llog_init_handle(req->rq_svc_thread->t_env, loghandle, flags,
NULL);
- if (rc)
- GOTO(out_close, rc);
-
- req_capsule_set_size(&req->rq_pill, &RMF_EADATA, RCL_SERVER,
- LLOG_CHUNK_SIZE);
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
+ if (rc)
+ GOTO(out_close, rc);
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
- *repbody = *body;
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ *repbody = *body;
- ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
+ ptr = req_capsule_server_get(&req->rq_pill, &RMF_EADATA);
rc = llog_prev_block(req->rq_svc_thread->t_env, loghandle,
body->lgd_index, ptr, LLOG_CHUNK_SIZE);
if (rc)
EXIT;
out_close:
llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+out_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
int llog_origin_handle_read_header(struct ptlrpc_request *req)
{
- struct obd_device *disk_obd;
- struct llog_handle *loghandle;
- struct llogd_body *body;
- struct llog_log_hdr *hdr;
- struct lvfs_run_ctxt saved;
- struct llog_ctxt *ctxt;
- __u32 flags;
- int rc;
+ struct llog_handle *loghandle;
+ struct llogd_body *body;
+ struct llog_log_hdr *hdr;
+ struct llog_ctxt *ctxt;
+ __u32 flags;
+ int rc;
+
+ ENTRY;
- ENTRY;
+ body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
+ if (body == NULL)
+ RETURN(err_serious(-EFAULT));
- body = req_capsule_client_get(&req->rq_pill, &RMF_LLOGD_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
ctxt = llog_get_context(req->rq_export->exp_obd, body->lgd_ctxt_idx);
if (ctxt == NULL)
RETURN(-ENODEV);
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
-
rc = llog_open(req->rq_svc_thread->t_env, ctxt, &loghandle,
&body->lgd_logid, NULL, LLOG_OPEN_EXISTS);
if (rc)
- GOTO(out_pop, rc);
+ GOTO(out_ctxt, rc);
/*
* llog_init_handle() reads the llog header
GOTO(out_close, rc);
flags = loghandle->lgh_hdr->llh_flags;
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- GOTO(out_close, rc = -ENOMEM);
-
- hdr = req_capsule_server_get(&req->rq_pill, &RMF_LLOG_LOG_HDR);
- *hdr = *loghandle->lgh_hdr;
- EXIT;
+ hdr = req_capsule_server_get(&req->rq_pill, &RMF_LLOG_LOG_HDR);
+ *hdr = *loghandle->lgh_hdr;
+ EXIT;
out_close:
llog_origin_close(req->rq_svc_thread->t_env, loghandle);
-out_pop:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
+out_ctxt:
llog_ctxt_put(ctxt);
return rc;
}
int llog_origin_handle_close(struct ptlrpc_request *req)
{
- ENTRY;
- /* Nothing to do */
- RETURN(0);
-}
-EXPORT_SYMBOL(llog_origin_handle_close);
+ int rc;
-int llog_origin_handle_cancel(struct ptlrpc_request *req)
-{
- int num_cookies, rc = 0, err, i, failed = 0;
- struct obd_device *disk_obd;
- struct llog_cookie *logcookies;
- struct llog_ctxt *ctxt = NULL;
- struct lvfs_run_ctxt saved;
- struct llog_handle *cathandle;
- struct inode *inode;
- void *handle;
- ENTRY;
-
- logcookies = req_capsule_client_get(&req->rq_pill, &RMF_LOGCOOKIES);
- num_cookies = req_capsule_get_size(&req->rq_pill, &RMF_LOGCOOKIES,
- RCL_CLIENT) / sizeof(*logcookies);
- if (logcookies == NULL || num_cookies == 0) {
- DEBUG_REQ(D_HA, req, "No llog cookies sent");
- RETURN(-EFAULT);
- }
-
- ctxt = llog_get_context(req->rq_export->exp_obd,
- logcookies->lgc_subsys);
- if (ctxt == NULL)
- RETURN(-ENODEV);
-
- disk_obd = ctxt->loc_exp->exp_obd;
- push_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- for (i = 0; i < num_cookies; i++, logcookies++) {
- cathandle = ctxt->loc_handle;
- LASSERT(cathandle != NULL);
- inode = cathandle->lgh_file->f_dentry->d_inode;
-
- handle = fsfilt_start_log(disk_obd, inode,
- FSFILT_OP_CANCEL_UNLINK, NULL, 1);
- if (IS_ERR(handle)) {
- CERROR("fsfilt_start_log() failed: %ld\n",
- PTR_ERR(handle));
- GOTO(pop_ctxt, rc = PTR_ERR(handle));
- }
-
- rc = llog_cat_cancel_records(req->rq_svc_thread->t_env,
- cathandle, 1, logcookies);
-
- /*
- * Do not raise -ENOENT errors for resent rpcs. This rec already
- * might be killed.
- */
- if (rc == -ENOENT &&
- (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT)) {
- /*
- * Do not change this message, reply-single.sh test_59b
- * expects to find this in log.
- */
- CDEBUG(D_RPCTRACE, "RESENT cancel req %p - ignored\n",
- req);
- rc = 0;
- } else if (rc == 0) {
- CDEBUG(D_RPCTRACE, "Canceled %d llog-records\n",
- num_cookies);
- }
-
- err = fsfilt_commit(disk_obd, inode, handle, 0);
- if (err) {
- CERROR("Error committing transaction: %d\n", err);
- if (!rc)
- rc = err;
- failed++;
- GOTO(pop_ctxt, rc);
- } else if (rc)
- failed++;
- }
- GOTO(pop_ctxt, rc);
-pop_ctxt:
- pop_ctxt(&saved, &disk_obd->obd_lvfs_ctxt, NULL);
- if (rc)
- CERROR("Cancel %d of %d llog-records failed: %d\n",
- failed, num_cookies, rc);
-
- llog_ctxt_put(ctxt);
- return rc;
+ ENTRY;
+
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(err_serious(-ENOMEM));
+ RETURN(0);
}
-EXPORT_SYMBOL(llog_origin_handle_cancel);
+EXPORT_SYMBOL(llog_origin_handle_close);
#else /* !__KERNEL__ */
int llog_origin_handle_open(struct ptlrpc_request *req)
LBUG();
return 0;
}
-int llog_origin_handle_cancel(struct ptlrpc_request *req)
-{
- LBUG();
- return 0;
-}
#endif
{ MGS_SET_INFO, "mgs_set_info" },
{ MGS_CONFIG_READ, "mgs_config_read" },
{ OBD_PING, "obd_ping" },
- { OBD_LOG_CANCEL, "llog_origin_handle_cancel" },
+ { OBD_LOG_CANCEL, "llog_cancel" },
{ OBD_QC_CALLBACK, "obd_quota_callback" },
{ OBD_IDX_READ, "dt_index_read" },
- { LLOG_ORIGIN_HANDLE_CREATE, "llog_origin_handle_create" },
+ { LLOG_ORIGIN_HANDLE_CREATE, "llog_origin_handle_open" },
{ LLOG_ORIGIN_HANDLE_NEXT_BLOCK, "llog_origin_handle_next_block" },
{ LLOG_ORIGIN_HANDLE_READ_HEADER,"llog_origin_handle_read_header" },
{ LLOG_ORIGIN_HANDLE_WRITE_REC, "llog_origin_handle_write_rec" },
#
MOSTLYCLEANFILES := @MOSTLYCLEANFILES@
-EXTRA_DIST = tgt_main.c tgt_lastrcvd.c tgt_internal.h
+EXTRA_DIST = tgt_main.c tgt_lastrcvd.c tgt_handler.c tgt_internal.h
--- /dev/null
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2011, 2012, Intel Corporation.
+ */
+/*
+ * lustre/target/tgt_handler.c
+ *
+ * Lustre Unified Target request handler code
+ *
+ * Author: Brian Behlendorf <behlendorf1@llnl.gov>
+ * Author: Mikhail Pershin <mike.pershin@intel.com>
+ */
+
+#define DEBUG_SUBSYSTEM S_CLASS
+
+#include <obd.h>
+#include <obd_class.h>
+
+#include "tgt_internal.h"
+
+char *tgt_name(struct lu_target *tgt)
+{
+ LASSERT(tgt->lut_obd != NULL);
+ return tgt->lut_obd->obd_name;
+}
+EXPORT_SYMBOL(tgt_name);
+
+static int tgt_unpack_req_pack_rep(struct tgt_session_info *tsi, __u32 flags)
+{
+ struct req_capsule *pill = tsi->tsi_pill;
+ const struct mdt_body *body = NULL;
+ int rc = 0;
+
+ ENTRY;
+
+ if (req_capsule_has_field(pill, &RMF_MDT_BODY, RCL_CLIENT)) {
+ body = req_capsule_client_get(pill, &RMF_MDT_BODY);
+ if (body == NULL)
+ RETURN(-EFAULT);
+ }
+
+ if (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,
+ body ? body->eadatasize : 0);
+ if (req_capsule_has_field(pill, &RMF_LOGCOOKIES, RCL_SERVER))
+ req_capsule_set_size(pill, &RMF_LOGCOOKIES,
+ RCL_SERVER, 0);
+
+ rc = req_capsule_server_pack(pill);
+ }
+ RETURN(rc);
+}
+
+/*
+ * Invoke handler for this request opc. Also do necessary preprocessing
+ * (according to handler ->th_flags), and post-processing (setting of
+ * ->last_{xid,committed}).
+ */
+static int tgt_handle_request0(struct tgt_session_info *tsi,
+ struct tgt_handler *h,
+ struct ptlrpc_request *req)
+{
+ int serious = 0;
+ int rc;
+ __u32 flags;
+
+ ENTRY;
+
+ LASSERT(h->th_act != NULL);
+ LASSERT(h->th_opc == lustre_msg_get_opc(req->rq_reqmsg));
+ LASSERT(current->journal_info == NULL);
+
+ rc = 0;
+ flags = h->th_flags;
+ LASSERT(ergo(flags & (HABEO_CORPUS | HABEO_REFERO),
+ h->th_fmt != NULL));
+ if (h->th_fmt != NULL) {
+ req_capsule_set(tsi->tsi_pill, h->th_fmt);
+ rc = tgt_unpack_req_pack_rep(tsi, flags);
+ }
+
+ if (rc == 0 && flags & MUTABOR &&
+ tgt_conn_flags(tsi) & OBD_CONNECT_RDONLY)
+ rc = -EROFS;
+
+ if (rc == 0 && flags & HABEO_CLAVIS) {
+ struct ldlm_request *dlm_req;
+
+ LASSERT(h->th_fmt != NULL);
+
+ dlm_req = req_capsule_client_get(tsi->tsi_pill, &RMF_DLM_REQ);
+ if (dlm_req != NULL) {
+ if (unlikely(dlm_req->lock_desc.l_resource.lr_type ==
+ LDLM_IBITS &&
+ dlm_req->lock_desc.l_policy_data.\
+ l_inodebits.bits == 0)) {
+ /*
+ * Lock without inodebits makes no sense and
+ * will oops later in ldlm. If client miss to
+ * set such bits, do not trigger ASSERTION.
+ *
+ * For liblustre flock case, it maybe zero.
+ */
+ rc = -EPROTO;
+ } else {
+ tsi->tsi_dlm_req = dlm_req;
+ }
+ } else {
+ rc = -EFAULT;
+ }
+ }
+
+ if (likely(rc == 0)) {
+ /*
+ * Process request, there can be two types of rc:
+ * 1) errors with msg unpack/pack, other failures outside the
+ * operation itself. This is counted as serious errors;
+ * 2) errors during fs operation, should be placed in rq_status
+ * only
+ */
+ rc = h->th_act(tsi);
+ if (!is_serious(rc) &&
+ !req->rq_no_reply && req->rq_reply_state == NULL) {
+ DEBUG_REQ(D_ERROR, req, "%s \"handler\" %s did not "
+ "pack reply and returned 0 error\n",
+ tgt_name(tsi->tsi_tgt), h->th_name);
+ LBUG();
+ }
+ serious = is_serious(rc);
+ rc = clear_serious(rc);
+ } else {
+ serious = 1;
+ }
+
+ req->rq_status = rc;
+
+ /*
+ * ELDLM_* codes which > 0 should be in rq_status only as well as
+ * all non-serious errors.
+ */
+ if (rc > 0 || !serious)
+ rc = 0;
+
+ 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);
+
+ target_send_reply(req, rc, tsi->tsi_reply_fail_id);
+ RETURN(0);
+}
+
+static int tgt_filter_recovery_request(struct ptlrpc_request *req,
+ struct obd_device *obd, int *process)
+{
+ switch (lustre_msg_get_opc(req->rq_reqmsg)) {
+ case MDS_DISCONNECT:
+ case OST_DISCONNECT:
+ *process = 1;
+ RETURN(0);
+ case MDS_CLOSE:
+ case MDS_DONE_WRITING:
+ case MDS_SYNC: /* used in unmounting */
+ case OBD_PING:
+ case MDS_REINT:
+ case SEQ_QUERY:
+ case FLD_QUERY:
+ case LDLM_ENQUEUE:
+ *process = target_queue_recovery_request(req, obd);
+ RETURN(0);
+
+ default:
+ DEBUG_REQ(D_ERROR, req, "not permitted during recovery");
+ *process = -EAGAIN;
+ RETURN(0);
+ }
+}
+
+/*
+ * Handle recovery. Return:
+ * +1: continue request processing;
+ * -ve: abort immediately with the given error code;
+ * 0: send reply with error code in req->rq_status;
+ */
+int tgt_handle_recovery(struct ptlrpc_request *req, int reply_fail_id)
+{
+ ENTRY;
+
+ switch (lustre_msg_get_opc(req->rq_reqmsg)) {
+ case SEC_CTX_INIT:
+ case SEC_CTX_INIT_CONT:
+ case SEC_CTX_FINI:
+ RETURN(+1);
+ }
+
+ if (unlikely(!class_connected_export(req->rq_export))) {
+ CERROR("%s: operation %d on unconnected export from %s\n",
+ req->rq_export != NULL ?
+ req->rq_export->exp_obd->obd_name : "?",
+ lustre_msg_get_opc(req->rq_reqmsg),
+ libcfs_id2str(req->rq_peer));
+ req->rq_status = -ENOTCONN;
+ target_send_reply(req, -ENOTCONN, reply_fail_id);
+ RETURN(0);
+ }
+
+ if (!req->rq_export->exp_obd->obd_replayable)
+ RETURN(+1);
+
+ /* sanity check: if the xid matches, the request must be marked as a
+ * resent or replayed */
+ if (req_xid_is_last(req)) {
+ if (!(lustre_msg_get_flags(req->rq_reqmsg) &
+ (MSG_RESENT | MSG_REPLAY))) {
+ DEBUG_REQ(D_WARNING, req, "rq_xid "LPU64" matches "
+ "last_xid, expected REPLAY or RESENT flag "
+ "(%x)", req->rq_xid,
+ lustre_msg_get_flags(req->rq_reqmsg));
+ req->rq_status = -ENOTCONN;
+ RETURN(-ENOTCONN);
+ }
+ }
+ /* else: note the opposite is not always true; a RESENT req after a
+ * failover will usually not match the last_xid, since it was likely
+ * never committed. A REPLAYed request will almost never match the
+ * last xid, however it could for a committed, but still retained,
+ * open. */
+
+ /* Check for aborted recovery... */
+ if (unlikely(req->rq_export->exp_obd->obd_recovering)) {
+ int rc;
+ int should_process;
+
+ DEBUG_REQ(D_INFO, req, "Got new replay");
+ rc = tgt_filter_recovery_request(req, req->rq_export->exp_obd,
+ &should_process);
+ if (rc != 0 || !should_process)
+ RETURN(rc);
+ else if (should_process < 0) {
+ req->rq_status = should_process;
+ rc = ptlrpc_error(req);
+ RETURN(rc);
+ }
+ }
+ RETURN(+1);
+}
+
+int tgt_request_handle(struct ptlrpc_request *req)
+{
+ struct tgt_session_info *tsi = tgt_ses_info(req->rq_svc_thread->t_env);
+ struct lustre_msg *msg = req->rq_reqmsg;
+ struct tgt_handler *h;
+ struct tgt_opc_slice *s;
+ struct lu_target *tgt;
+ int request_fail_id = 0;
+ __u32 opc = lustre_msg_get_opc(msg);
+ int rc;
+
+ ENTRY;
+
+ req_capsule_init(&req->rq_pill, req, RCL_SERVER);
+ tsi->tsi_pill = &req->rq_pill;
+ tsi->tsi_env = req->rq_svc_thread->t_env;
+ tsi->tsi_dlm_req = NULL;
+
+ /* if request has export then get handlers slice from corresponding
+ * target, otherwise that should be connect operation */
+ if (opc == MDS_CONNECT || opc == OST_CONNECT ||
+ opc == MGS_CONNECT) {
+ req_capsule_set(&req->rq_pill, &RQF_CONNECT);
+ rc = target_handle_connect(req);
+ if (rc != 0) {
+ rc = ptlrpc_error(req);
+ GOTO(out, rc);
+ }
+ }
+
+ /* this should be assertion actually, but keep it reporting error
+ * for unified target development time */
+ if (req->rq_export == NULL) {
+ CERROR("Request with no export from %s, opcode %u\n",
+ libcfs_nid2str(req->rq_peer.nid), opc);
+ req->rq_status = -EFAULT;
+ rc = ptlrpc_error(req);
+ GOTO(out, rc);
+ }
+
+
+ tsi->tsi_tgt = tgt = class_exp2tgt(req->rq_export);
+ tsi->tsi_exp = req->rq_export;
+
+ request_fail_id = tgt->lut_request_fail_id;
+ tsi->tsi_reply_fail_id = tgt->lut_reply_fail_id;
+
+ for (s = tgt->lut_slice; s->tos_hs != NULL; s++)
+ if (s->tos_opc_start <= opc && opc < s->tos_opc_end)
+ break;
+
+ /* opcode was not found in slice */
+ if (unlikely(s->tos_hs == NULL)) {
+ CERROR("%s: no handlers for opcode 0x%x\n", tgt_name(tgt), opc);
+ req->rq_status = -ENOTSUPP;
+ rc = ptlrpc_error(req);
+ GOTO(out, rc);
+ }
+
+ if (CFS_FAIL_CHECK_ORSET(request_fail_id, CFS_FAIL_ONCE))
+ GOTO(out, rc = 0);
+
+ LASSERT(current->journal_info == NULL);
+
+ LASSERT(opc >= s->tos_opc_start && opc < s->tos_opc_end);
+ h = s->tos_hs + (opc - s->tos_opc_start);
+ if (unlikely(h->th_opc == 0)) {
+ CERROR("%s: unsupported opcode 0x%x\n", tgt_name(tgt), opc);
+ req->rq_status = -ENOTSUPP;
+ rc = ptlrpc_error(req);
+ GOTO(out, rc);
+ }
+
+ rc = lustre_msg_check_version(msg, h->th_version);
+ if (unlikely(rc)) {
+ DEBUG_REQ(D_ERROR, req, "%s: drop mal-formed request, version"
+ " %08x, expecting %08x\n", tgt_name(tgt),
+ lustre_msg_get_version(msg), h->th_version);
+ req->rq_status = -EINVAL;
+ rc = ptlrpc_error(req);
+ GOTO(out, rc);
+ }
+
+ rc = tgt_handle_recovery(req, tsi->tsi_reply_fail_id);
+ if (likely(rc == 1)) {
+ LASSERTF(h->th_opc == opc, "opcode mismatch %d != %d\n",
+ h->th_opc, opc);
+ rc = tgt_handle_request0(tsi, h, req);
+ if (rc)
+ GOTO(out, rc);
+ }
+ EXIT;
+out:
+ req_capsule_fini(tsi->tsi_pill);
+ tsi->tsi_pill = NULL;
+ return rc;
+}
+EXPORT_SYMBOL(tgt_request_handle);
+
+void tgt_counter_incr(struct obd_export *exp, int opcode)
+{
+ lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
+ if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
+ lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
+}
+EXPORT_SYMBOL(tgt_counter_incr);
+
+/*
+ * Unified target generic handlers.
+ */
+
+/*
+ * Security functions
+ */
+static inline void tgt_init_sec_none(struct obd_connect_data *reply)
+{
+ reply->ocd_connect_flags &= ~(OBD_CONNECT_RMT_CLIENT |
+ OBD_CONNECT_RMT_CLIENT_FORCE |
+ OBD_CONNECT_MDS_CAPA |
+ OBD_CONNECT_OSS_CAPA);
+}
+
+static int tgt_init_sec_level(struct ptlrpc_request *req)
+{
+ struct lu_target *tgt = class_exp2tgt(req->rq_export);
+ char *client = libcfs_nid2str(req->rq_peer.nid);
+ struct obd_connect_data *data, *reply;
+ int rc = 0;
+ bool remote;
+
+ ENTRY;
+
+ data = req_capsule_client_get(&req->rq_pill, &RMF_CONNECT_DATA);
+ reply = req_capsule_server_get(&req->rq_pill, &RMF_CONNECT_DATA);
+ if (data == NULL || reply == NULL)
+ RETURN(-EFAULT);
+
+ /* connection from MDT is always trusted */
+ if (req->rq_auth_usr_mdt) {
+ tgt_init_sec_none(reply);
+ RETURN(0);
+ }
+
+ /* no GSS support case */
+ if (!req->rq_auth_gss) {
+ if (tgt->lut_sec_level > LUSTRE_SEC_NONE) {
+ CWARN("client %s -> target %s does not use GSS, "
+ "can not run under security level %d.\n",
+ client, tgt_name(tgt), tgt->lut_sec_level);
+ RETURN(-EACCES);
+ } else {
+ tgt_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_MDS_CAPA) ||
+ !(data->ocd_connect_flags & OBD_CONNECT_OSS_CAPA))) {
+ if (tgt->lut_sec_level > LUSTRE_SEC_NONE) {
+ CWARN("client %s -> target %s uses old version, "
+ "can not run under security level %d.\n",
+ client, tgt_name(tgt), tgt->lut_sec_level);
+ RETURN(-EACCES);
+ } else {
+ CWARN("client %s -> target %s uses old version, "
+ "run under security level %d.\n",
+ client, tgt_name(tgt), tgt->lut_sec_level);
+ tgt_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, tgt_name(tgt));
+ } else if (req->rq_auth_remote) {
+ remote = true;
+ CDEBUG(D_SEC, "client (remote realm) %s -> target %s is set "
+ "as remote by default.\n", client, tgt_name(tgt));
+ }
+
+ if (remote) {
+ if (!tgt->lut_oss_capa) {
+ CDEBUG(D_SEC,
+ "client %s -> target %s is set as remote,"
+ " but OSS capabilities are not enabled: %d.\n",
+ client, tgt_name(tgt), tgt->lut_oss_capa);
+ RETURN(-EACCES);
+ }
+ } else {
+ if (req->rq_auth_uid == INVALID_UID) {
+ CDEBUG(D_SEC, "client %s -> target %s: user is not "
+ "authenticated!\n", client, tgt_name(tgt));
+ RETURN(-EACCES);
+ }
+ }
+
+
+ switch (tgt->lut_sec_level) {
+ case LUSTRE_SEC_NONE:
+ if (remote) {
+ CDEBUG(D_SEC,
+ "client %s -> target %s is set as remote, "
+ "can not run under security level %d.\n",
+ client, tgt_name(tgt), tgt->lut_sec_level);
+ RETURN(-EACCES);
+ }
+ tgt_init_sec_none(reply);
+ break;
+ case LUSTRE_SEC_REMOTE:
+ if (!remote)
+ tgt_init_sec_none(reply);
+ break;
+ case LUSTRE_SEC_ALL:
+ if (remote)
+ break;
+ reply->ocd_connect_flags &= ~(OBD_CONNECT_RMT_CLIENT |
+ OBD_CONNECT_RMT_CLIENT_FORCE);
+ if (!tgt->lut_oss_capa)
+ reply->ocd_connect_flags &= ~OBD_CONNECT_OSS_CAPA;
+ if (!tgt->lut_mds_capa)
+ reply->ocd_connect_flags &= ~OBD_CONNECT_MDS_CAPA;
+ break;
+ default:
+ RETURN(-EINVAL);
+ }
+
+ RETURN(rc);
+}
+
+int tgt_connect_check_sptlrpc(struct ptlrpc_request *req, struct obd_export *exp)
+{
+ struct lu_target *tgt = class_exp2tgt(exp);
+ struct sptlrpc_flavor flvr;
+ int rc = 0;
+
+ LASSERT(tgt);
+ LASSERT(tgt->lut_obd);
+ LASSERT(tgt->lut_slice);
+
+ /* always allow ECHO client */
+ 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(&tgt->lut_sptlrpc_lock);
+ sptlrpc_target_choose_flavor(&tgt->lut_sptlrpc_rset,
+ req->rq_sp_from,
+ req->rq_peer.nid,
+ &flvr);
+ read_unlock(&tgt->lut_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("%s: unauthorized rpc flavor %x from %s, "
+ "expect %x\n", tgt_name(tgt),
+ 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("%s: RPC source %s doesn't match %s\n",
+ tgt_name(tgt),
+ sptlrpc_part2name(req->rq_sp_from),
+ sptlrpc_part2name(exp->exp_sp_peer));
+ rc = -EACCES;
+ } else {
+ rc = sptlrpc_target_export_check(exp, req);
+ }
+ }
+
+ return rc;
+}
+
+int tgt_connect(struct tgt_session_info *tsi)
+{
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ struct obd_connect_data *reply;
+ int rc;
+
+ ENTRY;
+
+ rc = tgt_init_sec_level(req);
+ if (rc != 0)
+ GOTO(out, rc);
+
+ /* XXX: better to call this check right after getting new export but
+ * before last_rcvd slot allocation to avoid server load upon insecure
+ * connects. This is to be fixed after unifiyng all targets.
+ */
+ rc = tgt_connect_check_sptlrpc(req, tsi->tsi_exp);
+ if (rc)
+ GOTO(out, rc);
+
+ /* To avoid exposing partially initialized connection flags, changes up
+ * to this point have been staged in reply->ocd_connect_flags. Now that
+ * connection handling has completed successfully, atomically update
+ * the connect flags in the shared export data structure. LU-1623 */
+ reply = req_capsule_server_get(tsi->tsi_pill, &RMF_CONNECT_DATA);
+ spin_lock(&tsi->tsi_exp->exp_lock);
+ *exp_connect_flags_ptr(tsi->tsi_exp) = reply->ocd_connect_flags;
+ spin_unlock(&tsi->tsi_exp->exp_lock);
+
+ RETURN(0);
+out:
+ obd_disconnect(class_export_get(tsi->tsi_exp));
+ return rc;
+}
+EXPORT_SYMBOL(tgt_connect);
+
+int tgt_disconnect(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = target_handle_disconnect(tgt_ses_req(tsi));
+ if (rc)
+ RETURN(err_serious(rc));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_disconnect);
+
+/*
+ * Unified target OBD handlers
+ */
+int tgt_obd_ping(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = target_handle_ping(tgt_ses_req(tsi));
+ if (rc)
+ RETURN(err_serious(rc));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_obd_ping);
+
+int tgt_obd_log_cancel(struct tgt_session_info *tsi)
+{
+ return err_serious(-EOPNOTSUPP);
+}
+EXPORT_SYMBOL(tgt_obd_log_cancel);
+
+int tgt_obd_qc_callback(struct tgt_session_info *tsi)
+{
+ return err_serious(-EOPNOTSUPP);
+}
+EXPORT_SYMBOL(tgt_obd_qc_callback);
+
+/*
+ * Unified target DLM handlers.
+ */
+struct ldlm_callback_suite tgt_dlm_cbs = {
+ .lcs_completion = ldlm_server_completion_ast,
+ .lcs_blocking = ldlm_server_blocking_ast,
+};
+
+int tgt_enqueue(struct tgt_session_info *tsi)
+{
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ int rc;
+
+ ENTRY;
+ /*
+ * tsi->tsi_dlm_req was already swapped and (if necessary) converted,
+ * tsi->tsi_dlm_cbs was set by the *_req_handle() function.
+ */
+ LASSERT(tsi->tsi_dlm_req != NULL);
+
+ rc = ldlm_handle_enqueue0(tsi->tsi_exp->exp_obd->obd_namespace, req,
+ tsi->tsi_dlm_req, &tgt_dlm_cbs);
+ if (rc)
+ RETURN(err_serious(rc));
+
+ RETURN(req->rq_status);
+}
+EXPORT_SYMBOL(tgt_enqueue);
+
+int tgt_convert(struct tgt_session_info *tsi)
+{
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+ int rc;
+
+ ENTRY;
+ LASSERT(tsi->tsi_dlm_req);
+ rc = ldlm_handle_convert0(req, tsi->tsi_dlm_req);
+ if (rc)
+ RETURN(err_serious(rc));
+
+ RETURN(req->rq_status);
+}
+EXPORT_SYMBOL(tgt_convert);
+
+int tgt_bl_callback(struct tgt_session_info *tsi)
+{
+ return err_serious(-EOPNOTSUPP);
+}
+EXPORT_SYMBOL(tgt_bl_callback);
+
+int tgt_cp_callback(struct tgt_session_info *tsi)
+{
+ return err_serious(-EOPNOTSUPP);
+}
+EXPORT_SYMBOL(tgt_cp_callback);
+
+/*
+ * Unified target LLOG handlers.
+ */
+int tgt_llog_open(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = llog_origin_handle_open(tgt_ses_req(tsi));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_llog_open);
+
+int tgt_llog_close(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = llog_origin_handle_close(tgt_ses_req(tsi));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_llog_close);
+
+
+int tgt_llog_destroy(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = llog_origin_handle_destroy(tgt_ses_req(tsi));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_llog_destroy);
+
+int tgt_llog_read_header(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = llog_origin_handle_read_header(tgt_ses_req(tsi));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_llog_read_header);
+
+int tgt_llog_next_block(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = llog_origin_handle_next_block(tgt_ses_req(tsi));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_llog_next_block);
+
+int tgt_llog_prev_block(struct tgt_session_info *tsi)
+{
+ int rc;
+
+ ENTRY;
+
+ rc = llog_origin_handle_prev_block(tgt_ses_req(tsi));
+
+ RETURN(rc);
+}
+EXPORT_SYMBOL(tgt_llog_prev_block);
return tti;
}
+#define MGS_SERVICE_WATCHDOG_FACTOR (2)
+
+int tgt_request_handle(struct ptlrpc_request *req);
+
+/* check if request's xid is equal to last one or not*/
+static inline int req_xid_is_last(struct ptlrpc_request *req)
+{
+ struct lsd_client_data *lcd = req->rq_export->exp_target_data.ted_lcd;
+
+ LASSERT(lcd != NULL);
+ return (req->rq_xid == lcd->lcd_last_xid ||
+ req->rq_xid == lcd->lcd_last_close_xid);
+}
+
#endif /* _TG_INTERNAL_H */
#define DEBUG_SUBSYSTEM S_CLASS
#include <obd.h>
-
#include "tgt_internal.h"
int tgt_init(const struct lu_env *env, struct lu_target *lut,
- struct obd_device *obd, struct dt_device *dt)
+ struct obd_device *obd, struct dt_device *dt,
+ struct tgt_opc_slice *slice, int request_fail_id,
+ int reply_fail_id)
{
- struct dt_object_format dof;
- struct lu_attr attr;
- struct lu_fid fid;
- struct dt_object *o;
- int rc = 0;
+ struct dt_object_format dof;
+ struct lu_attr attr;
+ struct lu_fid fid;
+ struct dt_object *o;
+ int rc = 0;
ENTRY;
lut->lut_obd = obd;
lut->lut_bottom = dt;
lut->lut_last_rcvd = NULL;
+ lut->lut_client_bitmap = NULL;
obd->u.obt.obt_lut = lut;
obd->u.obt.obt_magic = OBT_MAGIC;
+ /* set request handler slice and parameters */
+ lut->lut_slice = slice;
+ lut->lut_reply_fail_id = reply_fail_id;
+ lut->lut_request_fail_id = request_fail_id;
+
+ /* sptlrcp variables init */
+ rwlock_init(&lut->lut_sptlrpc_lock);
+ sptlrpc_rule_set_init(&lut->lut_sptlrpc_rset);
+ lut->lut_mds_capa = 1;
+ lut->lut_oss_capa = 1;
+
+ /* last_rcvd initialization is needed by replayable targets only */
+ if (!obd->obd_replayable)
+ RETURN(0);
+
spin_lock_init(&lut->lut_translock);
OBD_ALLOC(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
{
ENTRY;
+ sptlrpc_rule_set_free(&lut->lut_sptlrpc_rset);
+
if (lut->lut_client_bitmap) {
OBD_FREE(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
lut->lut_client_bitmap = NULL;
LU_CONTEXT_KEY_DEFINE(tgt, LCT_MD_THREAD | LCT_DT_THREAD);
EXPORT_SYMBOL(tgt_thread_key);
-LU_KEY_INIT_GENERIC(tg);
+LU_KEY_INIT_GENERIC(tgt);
+
+/* context key constructor/destructor: tgt_ses_key_init, tgt_ses_key_fini */
+LU_KEY_INIT_FINI(tgt_ses, struct tgt_session_info);
+
+/* context key: tgt_session_key */
+struct lu_context_key tgt_session_key = {
+ .lct_tags = LCT_SESSION,
+ .lct_init = tgt_ses_key_init,
+ .lct_fini = tgt_ses_key_fini,
+};
+EXPORT_SYMBOL(tgt_session_key);
+
+LU_KEY_INIT_GENERIC(tgt_ses);
+
+struct lprocfs_vars lprocfs_srv_module_vars[] = {
+ { 0 },
+};
int tgt_mod_init(void)
{
- tg_key_init_generic(&tgt_thread_key, NULL);
+ ENTRY;
+
+ tgt_key_init_generic(&tgt_thread_key, NULL);
lu_context_key_register_many(&tgt_thread_key, NULL);
- return 0;
+
+ tgt_ses_key_init_generic(&tgt_session_key, NULL);
+ lu_context_key_register_many(&tgt_session_key, NULL);
+
+ RETURN(0);
}
void tgt_mod_exit(void)
{
lu_context_key_degister(&tgt_thread_key);
+ lu_context_key_degister(&tgt_session_key);
}