* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
void obd_exports_barrier(struct obd_device *obd);
int kuc_len(int payload_len);
struct kuc_hdr * kuc_ptr(void *p);
-int kuc_ispayload(void *p);
void *kuc_alloc(int payload_len, int transport, int type);
void kuc_free(void *p, int payload_len);
int obd_get_request_slot(struct client_obd *cli);
int obd_set_max_rpcs_in_flight(struct client_obd *cli, __u32 max);
__u16 obd_get_max_mod_rpcs_in_flight(struct client_obd *cli);
int obd_set_max_mod_rpcs_in_flight(struct client_obd *cli, __u16 max);
+int obd_mod_rpc_stats_seq_show(struct client_obd *cli, struct seq_file *seq);
+
+__u16 obd_get_mod_rpc_slot(struct client_obd *cli, __u32 opc,
+ struct lookup_intent *it);
+void obd_put_mod_rpc_slot(struct client_obd *cli, __u32 opc,
+ struct lookup_intent *it, __u16 tag);
struct llog_handle;
struct llog_rec_hdr;
typedef int (*llog_cb_t)(const struct lu_env *, struct llog_handle *,
struct llog_rec_hdr *, void *);
+
+extern atomic_t obd_stale_export_num;
+extern struct list_head obd_stale_exports;
+extern spinlock_t obd_stale_export_lock;
+
+struct obd_export *obd_stale_export_get(void);
+void obd_stale_export_put(struct obd_export *exp);
+void obd_stale_export_adjust(struct obd_export *exp);
+
/* obd_config.c */
struct lustre_cfg *lustre_cfg_rename(struct lustre_cfg *cfg,
const char *new_name);
char *cfg_obdname;
void *cfg_instance;
struct super_block *cfg_sb;
- struct obd_uuid cfg_uuid;
+ struct obd_uuid cfg_uuid;
llog_cb_t cfg_callback;
int cfg_last_idx; /* for partial llog processing */
int cfg_flags;
};
int class_config_parse_llog(const struct lu_env *env, struct llog_ctxt *ctxt,
char *name, struct config_llog_instance *cfg);
-int class_config_dump_llog(const struct lu_env *env, struct llog_ctxt *ctxt,
- char *name, struct config_llog_instance *cfg);
enum {
CONFIG_T_CONFIG = 0,
char *lp_profile;
char *lp_dt;
char *lp_md;
+ int lp_refs;
+ bool lp_list_deleted;
};
struct lustre_profile *class_get_profile(const char * prof);
void class_del_profile(const char *prof);
+void class_put_profile(struct lustre_profile *lprof);
void class_del_profiles(void);
+
#if LUSTRE_TRACKS_LOCK_EXP_REFS
void __class_export_add_lock_ref(struct obd_export *, struct ldlm_lock *);
RETURN(rc);
}
-static inline int obd_precleanup(struct obd_device *obd,
- enum obd_cleanup_stage cleanup_stage)
+static inline int obd_precleanup(struct obd_device *obd)
{
- int rc;
- DECLARE_LU_VARS(ldt, d);
- ENTRY;
+ int rc;
+ DECLARE_LU_VARS(ldt, d);
+ ENTRY;
- OBD_CHECK_DEV(obd);
- ldt = obd->obd_type->typ_lu;
- d = obd->obd_lu_dev;
- if (ldt != NULL && d != NULL) {
- if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
- struct lu_env env;
-
- rc = lu_env_init(&env, ldt->ldt_ctx_tags);
- if (rc == 0) {
- ldt->ldt_ops->ldto_device_fini(&env, d);
- lu_env_fini(&env);
- }
- }
- }
- OBD_CHECK_DT_OP(obd, precleanup, 0);
- OBD_COUNTER_INCREMENT(obd, precleanup);
+ OBD_CHECK_DEV(obd);
+ ldt = obd->obd_type->typ_lu;
+ d = obd->obd_lu_dev;
+ if (ldt != NULL && d != NULL) {
+ struct lu_env env;
- rc = OBP(obd, precleanup)(obd, cleanup_stage);
- RETURN(rc);
+ rc = lu_env_init(&env, ldt->ldt_ctx_tags);
+ if (rc == 0) {
+ ldt->ldt_ops->ldto_device_fini(&env, d);
+ lu_env_fini(&env);
+ }
+ }
+ OBD_CHECK_DT_OP(obd, precleanup, 0);
+ OBD_COUNTER_INCREMENT(obd, precleanup);
+
+ rc = OBP(obd, precleanup)(obd);
+ RETURN(rc);
}
static inline int obd_cleanup(struct obd_device *obd)
CDEBUG(D_CONFIG, "%s: client import never connected\n",
obd->obd_name);
ptlrpc_invalidate_import(imp);
- if (imp->imp_rq_pool) {
- ptlrpc_free_rq_pool(imp->imp_rq_pool);
- imp->imp_rq_pool = NULL;
- }
client_destroy_import(imp);
obd->u.cli.cl_import = NULL;
}
RETURN(rc);
}
-/* Pack an in-memory MD struct for storage on disk.
- * Returns +ve size of packed MD (0 for free), or -ve error.
- *
- * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
- * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
- * If @*disk_tgt == NULL, it will be allocated
- */
-static inline int obd_packmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt,
- struct lov_stripe_md *mem_src)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, packmd);
- EXP_COUNTER_INCREMENT(exp, packmd);
-
- rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
- RETURN(rc);
-}
-
-static inline int obd_free_diskmd(struct obd_export *exp,
- struct lov_mds_md **disk_tgt)
-{
- LASSERT(disk_tgt);
- LASSERT(*disk_tgt);
- /*
- * LU-2590, for caller's convenience, *disk_tgt could be host
- * endianness, it needs swab to LE if necessary, while just
- * lov_mds_md header needs it for figuring out how much memory
- * needs to be freed.
- */
- if ((cpu_to_le32(LOV_MAGIC) != LOV_MAGIC) &&
- (((*disk_tgt)->lmm_magic == LOV_MAGIC_V1) ||
- ((*disk_tgt)->lmm_magic == LOV_MAGIC_V3)))
- lustre_swab_lov_mds_md(*disk_tgt);
- return obd_packmd(exp, disk_tgt, NULL);
-}
-
-/* Unpack an MD struct from disk to in-memory format.
- * Returns +ve size of unpacked MD (0 for free), or -ve error.
- *
- * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
- * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
- * If @*mem_tgt == NULL, it will be allocated
- */
-static inline int obd_unpackmd(struct obd_export *exp,
- struct lov_stripe_md **mem_tgt,
- struct lov_mds_md *disk_src,
- int disk_len)
-{
- int rc;
- ENTRY;
-
- EXP_CHECK_DT_OP(exp, unpackmd);
- EXP_COUNTER_INCREMENT(exp, unpackmd);
-
- rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
- RETURN(rc);
-}
-
-static inline int obd_free_memmd(struct obd_export *exp,
- struct lov_stripe_md **mem_tgt)
-{
- int rc;
-
- LASSERT(mem_tgt);
- LASSERT(*mem_tgt);
- rc = obd_unpackmd(exp, mem_tgt, NULL, 0);
- *mem_tgt = NULL;
- return rc;
-}
-
static inline int obd_create(const struct lu_env *env, struct obd_export *exp,
struct obdo *obdo)
{
}
/* metadata helpers */
-static inline int md_getstatus(struct obd_export *exp,
- struct lu_fid *fid, struct obd_capa **pc)
+static inline int md_get_root(struct obd_export *exp, const char *fileset,
+ struct lu_fid *fid)
{
- int rc;
- ENTRY;
+ int rc;
- EXP_CHECK_MD_OP(exp, getstatus);
- EXP_MD_COUNTER_INCREMENT(exp, getstatus);
- rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
- RETURN(rc);
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, get_root);
+ EXP_MD_COUNTER_INCREMENT(exp, get_root);
+ rc = MDP(exp->exp_obd, get_root)(exp, fileset, fid);
+
+ RETURN(rc);
}
static inline int md_getattr(struct obd_export *exp, struct md_op_data *op_data,
RETURN(rc);
}
-static inline int md_find_cbdata(struct obd_export *exp,
- const struct lu_fid *fid,
- ldlm_iterator_t it, void *data)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, find_cbdata);
- EXP_MD_COUNTER_INCREMENT(exp, find_cbdata);
- rc = MDP(exp->exp_obd, find_cbdata)(exp, fid, it, data);
- RETURN(rc);
-}
-
static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
struct md_open_data *mod,
struct ptlrpc_request **request)
}
static inline int md_fsync(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, struct ptlrpc_request **request)
+ struct ptlrpc_request **request)
{
int rc;
+
ENTRY;
EXP_CHECK_MD_OP(exp, fsync);
EXP_MD_COUNTER_INCREMENT(exp, fsync);
- rc = MDP(exp->exp_obd, fsync)(exp, fid, oc, request);
+ rc = MDP(exp->exp_obd, fsync)(exp, fid, request);
+
RETURN(rc);
}
RETURN(MDP(exp->exp_obd, merge_attr)(exp, lsm, attr, cb));
}
-static inline int md_setxattr(struct obd_export *exp,
- const struct lu_fid *fid, struct obd_capa *oc,
+static inline int md_setxattr(struct obd_export *exp, const struct lu_fid *fid,
u64 valid, const char *name,
const char *input, int input_size,
int output_size, int flags, __u32 suppgid,
struct ptlrpc_request **request)
{
- ENTRY;
- EXP_CHECK_MD_OP(exp, setxattr);
- EXP_MD_COUNTER_INCREMENT(exp, setxattr);
- RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
- input_size, output_size, flags,
- suppgid, request));
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, setxattr);
+ EXP_MD_COUNTER_INCREMENT(exp, setxattr);
+ RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, valid, name, input,
+ input_size, output_size, flags,
+ suppgid, request));
}
-static inline int md_getxattr(struct obd_export *exp,
- const struct lu_fid *fid, struct obd_capa *oc,
+static inline int md_getxattr(struct obd_export *exp, const struct lu_fid *fid,
u64 valid, const char *name,
const char *input, int input_size,
int output_size, int flags,
struct ptlrpc_request **request)
{
- ENTRY;
- EXP_CHECK_MD_OP(exp, getxattr);
- EXP_MD_COUNTER_INCREMENT(exp, getxattr);
- RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
- input_size, output_size, flags,
- request));
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, getxattr);
+ EXP_MD_COUNTER_INCREMENT(exp, getxattr);
+ RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, valid, name, input,
+ input_size, output_size, flags,
+ request));
}
static inline int md_set_open_replay_data(struct obd_export *exp,
RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data, bits));
}
-static inline int md_cancel_unused(struct obd_export *exp,
- const struct lu_fid *fid,
- ldlm_policy_data_t *policy,
- ldlm_mode_t mode,
- ldlm_cancel_flags_t flags,
- void *opaque)
+static inline
+int md_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
+ union ldlm_policy_data *policy, enum ldlm_mode mode,
+ enum ldlm_cancel_flags cancel_flags, void *opaque)
{
- int rc;
- ENTRY;
+ int rc;
+ ENTRY;
- EXP_CHECK_MD_OP(exp, cancel_unused);
- EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
+ EXP_CHECK_MD_OP(exp, cancel_unused);
+ EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
- rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
- flags, opaque);
- RETURN(rc);
+ rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
+ cancel_flags, opaque);
+ RETURN(rc);
}
-static inline ldlm_mode_t md_lock_match(struct obd_export *exp, __u64 flags,
- const struct lu_fid *fid,
- ldlm_type_t type,
- ldlm_policy_data_t *policy,
- ldlm_mode_t mode,
- struct lustre_handle *lockh)
+static inline enum ldlm_mode md_lock_match(struct obd_export *exp, __u64 flags,
+ const struct lu_fid *fid,
+ enum ldlm_type type,
+ union ldlm_policy_data *policy,
+ enum ldlm_mode mode,
+ struct lustre_handle *lockh)
{
- ENTRY;
- EXP_CHECK_MD_OP(exp, lock_match);
- EXP_MD_COUNTER_INCREMENT(exp, lock_match);
- RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
- policy, mode, lockh));
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, lock_match);
+ EXP_MD_COUNTER_INCREMENT(exp, lock_match);
+ RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
+ policy, mode, lockh));
}
static inline int md_init_ea_size(struct obd_export *exp, __u32 ea_size,
}
static inline int md_get_remote_perm(struct obd_export *exp,
- const struct lu_fid *fid,
- struct obd_capa *oc, __u32 suppgid,
- struct ptlrpc_request **request)
-{
- ENTRY;
- EXP_CHECK_MD_OP(exp, get_remote_perm);
- EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
- RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
- request));
-}
-
-static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
- renew_capa_cb_t cb)
+ const struct lu_fid *fid, u32 suppgid,
+ struct ptlrpc_request **request)
{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, renew_capa);
- EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
- rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
- RETURN(rc);
-}
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, get_remote_perm);
+ EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
-static inline int md_unpack_capa(struct obd_export *exp,
- struct ptlrpc_request *req,
- const struct req_msg_field *field,
- struct obd_capa **oc)
-{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, unpack_capa);
- EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
- rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
- RETURN(rc);
+ RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, suppgid, request));
}
static inline int md_intent_getattr_async(struct obd_export *exp,
- struct md_enqueue_info *minfo,
- struct ldlm_enqueue_info *einfo)
+ struct md_enqueue_info *minfo)
{
- int rc;
- ENTRY;
- EXP_CHECK_MD_OP(exp, intent_getattr_async);
- EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
- rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
- RETURN(rc);
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, intent_getattr_async);
+ EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
+ rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo);
+ RETURN(rc);
}
static inline int md_revalidate_lock(struct obd_export *exp,
RETURN(rc);
}
+
+/* Unpack an MD struct from disk to in-memory format.
+ * Returns +ve size of unpacked MD (0 for free), or -ve error.
+ *
+ * If *plsm != NULL and lmm == NULL then *lsm will be freed.
+ * If *plsm == NULL then it will be allocated.
+ */
+static inline int md_unpackmd(struct obd_export *exp,
+ struct lmv_stripe_md **plsm,
+ const union lmv_mds_md *lmm, size_t lmm_size)
+{
+ int rc;
+ ENTRY;
+ EXP_CHECK_MD_OP(exp, unpackmd);
+ EXP_MD_COUNTER_INCREMENT(exp, unpackmd);
+ rc = MDP(exp->exp_obd, unpackmd)(exp, plsm, lmm, lmm_size);
+ RETURN(rc);
+}
+
/* OBD Metadata Support */
extern int obd_init_caches(void);
struct obd_export **lri_exp;
register_lwp_cb lri_cb_func;
void *lri_cb_data;
- struct list_head lri_list;
+ struct list_head lri_list;
+ atomic_t lri_ref;
char lri_name[MTI_NAME_MAXLEN];
};
register_lwp_cb cb_func, void *cb_data);
void lustre_deregister_lwp_item(struct obd_export **exp);
struct obd_export *lustre_find_lwp_by_index(const char *dev, __u32 idx);
+void lustre_notify_lwp_list(struct obd_export *exp);
int tgt_name2lwp_name(const char *tgt_name, char *lwp_name, int len, __u32 idx);
#endif /* HAVE_SERVER_SUPPORT */
int lustre_register_fs(void);
void class_init_uuidlist(void);
void class_exit_uuidlist(void);
+/* class_obd.c */
+extern char obd_jobid_node[];
+
/* prng.c */
#define ll_generate_random_uuid(uuid_out) cfs_get_random_bytes(uuid_out, sizeof(class_uuid_t))