*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* 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, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* and resends for avoid deadlocks */
#define OBD_STATFS_FROM_CACHE 0x0002 /* the statfs callback should not update
* obd_osfs_age */
-#define OBD_STATFS_PTLRPCD 0x0004 /* requests will be sent via ptlrpcd
- * instead of a specific set. This
- * means that we cannot rely on the set
- * interpret routine to be called.
- * lov_statfs_fini() must thus be called
- * by the request interpret routine */
-#define OBD_STATFS_FOR_MDT0 0x0008 /* The statfs is only for retrieving
+#define OBD_STATFS_FOR_MDT0 0x0004 /* The statfs is only for retrieving
* information from MDT0. */
-/* OBD Device Declarations */
-extern struct obd_device *obd_devs[MAX_OBD_DEVICES];
-extern struct list_head obd_types;
-extern spinlock_t obd_types_lock;
extern rwlock_t obd_dev_lock;
/* OBD Operations Declarations */
int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
-int obd_connect_flags2str(char *page, int count, __u64 flags, char *sep);
+int obd_connect_flags2str(char *page, int count, __u64 flags, __u64 flags2,
+ const char *sep);
int obd_zombie_impexp_init(void);
void obd_zombie_impexp_stop(void);
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);
void obd_put_request_slot(struct client_obd *cli);
__u32 obd_get_max_rpcs_in_flight(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 *);
+
+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);
const char *scope, const void *source);
void class_decref(struct obd_device *obd,
const char *scope, const void *source);
-void dump_exports(struct obd_device *obd, int locks);
+void dump_exports(struct obd_device *obd, int locks, int debug_level);
int class_config_llog_handler(const struct lu_env *env,
struct llog_handle *handle,
struct llog_rec_hdr *rec, void *data);
int class_add_conn(struct obd_device *obd, struct lustre_cfg *lcfg);
-int class_add_uuid(const char *uuid, __u64 nid);
#define CFG_F_START 0x01 /* Set when we start updating from a log */
#define CFG_F_MARKER 0x02 /* We are within a maker */
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;
__u32 cfg_lwp_idx;
+ __u32 cfg_sub_clds;
};
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,
- CONFIG_T_SPTLRPC = 1,
- CONFIG_T_RECOVER = 2,
- CONFIG_T_PARAMS = 3,
- CONFIG_T_MAX = 4
-};
-#define PARAMS_FILENAME "params"
-#define LCTL_UPCALL "lctl"
+#define CONFIG_SUB_SPTLRPC 0x01
+#define CONFIG_SUB_RECOVER 0x02
+#define CONFIG_SUB_PARAMS 0x04
+#define CONFIG_SUB_NODEMAP 0x08
+#define CONFIG_SUB_BARRIER 0x10
+
+/* Sub clds should be attached to the config_llog_data when processing
+ * config log for client or server target. */
+#define CONFIG_SUB_CLIENT (CONFIG_SUB_SPTLRPC | CONFIG_SUB_RECOVER | \
+ CONFIG_SUB_PARAMS)
+#define CONFIG_SUB_SERVER (CONFIG_SUB_CLIENT | CONFIG_SUB_NODEMAP | \
+ CONFIG_SUB_BARRIER)
+
+#define PARAMS_FILENAME "params"
+#define BARRIER_FILENAME "barrier"
+#define LCTL_UPCALL "lctl"
+
+static inline bool logname_is_barrier(const char *logname)
+{
+ char *ptr;
+
+ /* logname for barrier is "fsname-barrier" */
+ ptr = strstr(logname, BARRIER_FILENAME);
+ if (ptr && (ptr - logname) >= 2 &&
+ *(ptr - 1) == '-' && *(ptr + 7) == '\0')
+ return true;
+
+ return false;
+}
/* list of active configuration logs */
struct config_llog_data {
- struct ldlm_res_id cld_resid;
- struct config_llog_instance cld_cfg;
+ struct ldlm_res_id cld_resid;
+ struct config_llog_instance cld_cfg;
struct list_head cld_list_chain;
atomic_t cld_refcount;
struct config_llog_data *cld_sptlrpc;/* depended sptlrpc log */
- struct config_llog_data *cld_params; /* common parameters log */
+ struct config_llog_data *cld_params; /* common parameters log */
struct config_llog_data *cld_recover;/* imperative recover log */
- struct obd_export *cld_mgcexp;
+ struct config_llog_data *cld_nodemap;/* nodemap log */
+ struct config_llog_data *cld_barrier;/* barrier log (for MDT only) */
+ struct obd_export *cld_mgcexp;
struct mutex cld_lock;
- int cld_type;
- unsigned int cld_stopping:1, /* we were told to stop
- * watching */
- cld_lostlock:1; /* lock not requeued */
- char cld_logname[0];
+ int cld_type;
+ unsigned int cld_stopping:1, /* we were told to stop
+ * watching */
+ cld_lostlock:1; /* lock not requeued */
+ char cld_logname[0];
};
struct lustre_profile {
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 *);
int (*test_export)(struct obd_export *));
static inline enum obd_option exp_flags_from_obd(struct obd_device *obd)
{
- return ((obd->obd_fail ? OBD_OPT_FAILOVER : 0) |
- (obd->obd_force ? OBD_OPT_FORCE : 0) |
+ return ((obd->obd_force ? OBD_OPT_FORCE : 0) |
(obd->obd_abort_recovery ? OBD_OPT_ABORT_RECOV : 0) |
0);
}
static inline int lprocfs_nid_ldlm_stats_init(struct nid_stat* tmp)
{
- /* Always add in ldlm_stats */
- tmp->nid_ldlm_stats = lprocfs_alloc_stats(LDLM_LAST_OPC - LDLM_FIRST_OPC
- ,LPROCFS_STATS_FLAG_NOPERCPU);
- if (tmp->nid_ldlm_stats == NULL)
- return -ENOMEM;
-
- lprocfs_init_ldlm_stats(tmp->nid_ldlm_stats);
-
- return lprocfs_register_stats(tmp->nid_proc, "ldlm_stats",
- tmp->nid_ldlm_stats);
-}
-
-#define EXP_CHECK_MD_OP(exp, op) \
-do { \
- if ((exp) == NULL) { \
- CERROR("obd_" #op ": NULL export\n"); \
- RETURN(-ENODEV); \
- } \
- if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
- CERROR("obd_" #op ": cleaned up obd\n"); \
- RETURN(-EOPNOTSUPP); \
- } \
- if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
- CERROR("obd_" #op ": dev %s/%d no operation\n", \
- (exp)->exp_obd->obd_name, \
- (exp)->exp_obd->obd_minor); \
- RETURN(-EOPNOTSUPP); \
- } \
+ /* Always add in ldlm_stats */
+ tmp->nid_ldlm_stats =
+ lprocfs_alloc_stats(LDLM_LAST_OPC - LDLM_FIRST_OPC,
+ LPROCFS_STATS_FLAG_NOPERCPU);
+ if (tmp->nid_ldlm_stats == NULL)
+ return -ENOMEM;
+
+ lprocfs_init_ldlm_stats(tmp->nid_ldlm_stats);
+
+ return lprocfs_register_stats(tmp->nid_proc, "ldlm_stats",
+ tmp->nid_ldlm_stats);
+}
+
+#define EXP_CHECK_MD_OP(exp, op) \
+do { \
+ if ((exp) == NULL) { \
+ CERROR("obd_" #op ": NULL export\n"); \
+ RETURN(-ENODEV); \
+ } \
+ if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
+ CERROR("obd_" #op ": cleaned up obd\n"); \
+ RETURN(-EOPNOTSUPP); \
+ } \
+ if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
+ CERROR("%s: obd_" #op ": dev %d no operation\n", \
+ (exp)->exp_obd->obd_name, \
+ (exp)->exp_obd->obd_minor); \
+ RETURN(-EOPNOTSUPP); \
+ } \
} while (0)
-#define OBD_CHECK_DT_OP(obd, op, err) \
-do { \
- if (!OBT(obd) || !OBP((obd), op)) { \
- if (err) \
- CERROR("obd_" #op ": dev %d no operation\n", \
- obd->obd_minor); \
- RETURN(err); \
- } \
+#define OBD_CHECK_DT_OP(obd, op, err) \
+do { \
+ if (!OBT(obd) || !OBP((obd), op)) { \
+ if (err) \
+ CERROR("%s: no obd_" #op " operation\n", \
+ obd->obd_name); \
+ RETURN(err); \
+ } \
} while (0)
-#define EXP_CHECK_DT_OP(exp, op) \
-do { \
- if ((exp) == NULL) { \
- CERROR("obd_" #op ": NULL export\n"); \
- RETURN(-ENODEV); \
- } \
- if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
- CERROR("obd_" #op ": cleaned up obd\n"); \
- RETURN(-EOPNOTSUPP); \
- } \
- if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
- CERROR("obd_" #op ": dev %d no operation\n", \
- (exp)->exp_obd->obd_minor); \
- RETURN(-EOPNOTSUPP); \
- } \
+#define EXP_CHECK_DT_OP(exp, op) \
+do { \
+ if ((exp) == NULL) { \
+ CERROR("obd_" #op ": NULL export\n"); \
+ RETURN(-ENODEV); \
+ } \
+ if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
+ CERROR("obd_" #op ": cleaned up obd\n"); \
+ RETURN(-EOPNOTSUPP); \
+ } \
+ OBD_CHECK_DT_OP((exp)->exp_obd, op, -EOPNOTSUPP); \
} while (0)
-#define CTXT_CHECK_OP(ctxt, op, err) \
-do { \
- if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
- if (err) \
- CERROR("lop_" #op ": dev %d no operation\n", \
- ctxt->loc_obd->obd_minor); \
- RETURN(err); \
- } \
+#define CTXT_CHECK_OP(ctxt, op, err) \
+do { \
+ if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
+ if (err) \
+ CERROR("%s: no lop_" #op "operation\n", \
+ ctxt->loc_obd->obd_name); \
+ RETURN(err); \
+ } \
} while (0)
static inline int class_devno_max(void)
{
- return MAX_OBD_DEVICES;
+ return MAX_OBD_DEVICES;
}
static inline int obd_get_info(const struct lu_env *env, struct obd_export *exp,
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_size_diskmd(struct obd_export *exp,
- struct lov_stripe_md *mem_src)
-{
- return obd_packmd(exp, NULL, mem_src);
-}
-
-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)
{
}
static inline int obd_getattr(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo)
+ struct obdo *oa)
{
- int rc;
- ENTRY;
+ int rc;
- EXP_CHECK_DT_OP(exp, getattr);
- EXP_COUNTER_INCREMENT(exp, getattr);
+ ENTRY;
+ EXP_CHECK_DT_OP(exp, getattr);
+ EXP_COUNTER_INCREMENT(exp, getattr);
+ rc = OBP(exp->exp_obd, getattr)(env, exp, oa);
- rc = OBP(exp->exp_obd, getattr)(env, exp, oinfo);
- RETURN(rc);
+ RETURN(rc);
}
static inline int obd_setattr(const struct lu_env *env, struct obd_export *exp,
- struct obd_info *oinfo)
+ struct obdo *oa)
{
int rc;
ENTRY;
EXP_CHECK_DT_OP(exp, setattr);
EXP_COUNTER_INCREMENT(exp, setattr);
- rc = OBP(exp->exp_obd, setattr)(env, exp, oinfo);
+ rc = OBP(exp->exp_obd, setattr)(env, exp, oa);
RETURN(rc);
}
OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
OBD_COUNTER_INCREMENT(obd, statfs);
- CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
+ CDEBUG(D_SUPER, "%s: osfs %p age %llu, max_age %llu\n",
obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
rc = OBP(obd, statfs_async)(exp, oinfo, max_age, rqset);
} else {
- CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
- " objects "LPU64"/"LPU64"\n",
+ CDEBUG(D_SUPER, "%s: use %p cache blocks %llu/%llu objects %llu/%llu\n",
obd->obd_name, &obd->obd_osfs,
obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
struct obd_statfs *osfs, __u64 max_age,
__u32 flags)
{
- struct ptlrpc_request_set *set = NULL;
- struct obd_info oinfo = { { { 0 } } };
- int rc = 0;
- ENTRY;
+ struct ptlrpc_request_set *set = NULL;
+ struct obd_info oinfo = {
+ .oi_osfs = osfs,
+ .oi_flags = flags,
+ };
+ int rc = 0;
- set = ptlrpc_prep_set();
- if (set == NULL)
- RETURN(-ENOMEM);
+ ENTRY;
- oinfo.oi_osfs = osfs;
- oinfo.oi_flags = flags;
- rc = obd_statfs_async(exp, &oinfo, max_age, set);
- if (rc == 0)
- rc = ptlrpc_set_wait(set);
- ptlrpc_set_destroy(set);
- RETURN(rc);
+ set = ptlrpc_prep_set();
+ if (set == NULL)
+ RETURN(-ENOMEM);
+
+ rc = obd_statfs_async(exp, &oinfo, max_age, set);
+ if (rc == 0)
+ rc = ptlrpc_set_wait(set);
+
+ ptlrpc_set_destroy(set);
+
+ RETURN(rc);
}
/* @max_age is the oldest time in jiffies that we accept using a cached data.
OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
OBD_COUNTER_INCREMENT(obd, statfs);
- CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
+ CDEBUG(D_SUPER, "osfs %llu, max_age %llu\n",
obd->obd_osfs_age, max_age);
if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
rc = OBP(obd, statfs)(env, exp, osfs, max_age, flags);
spin_unlock(&obd->obd_osfs_lock);
}
} else {
- CDEBUG(D_SUPER, "%s: use %p cache blocks "LPU64"/"LPU64
- " objects "LPU64"/"LPU64"\n",
+ CDEBUG(D_SUPER, "%s: use %p cache blocks %llu/%llu"
+ " objects %llu/%llu\n",
obd->obd_name, &obd->obd_osfs,
obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
}
static inline int obd_notify(struct obd_device *obd,
- struct obd_device *watched,
- enum obd_notify_event ev,
- void *data)
+ struct obd_device *watched,
+ enum obd_notify_event ev)
{
- int rc;
- ENTRY;
- OBD_CHECK_DEV(obd);
+ int rc;
+ ENTRY;
+ OBD_CHECK_DEV(obd);
if (!obd->obd_set_up) {
- CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
- RETURN(-EINVAL);
- }
+ CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
+ RETURN(-EINVAL);
+ }
- if (!OBP(obd, notify)) {
- CDEBUG(D_HA, "obd %s has no notify handler\n", obd->obd_name);
- RETURN(-ENOSYS);
- }
+ if (!OBP(obd, notify)) {
+ CDEBUG(D_HA, "obd %s has no notify handler\n", obd->obd_name);
+ RETURN(-ENOSYS);
+ }
- OBD_COUNTER_INCREMENT(obd, notify);
- rc = OBP(obd, notify)(obd, watched, ev, data);
- RETURN(rc);
+ OBD_COUNTER_INCREMENT(obd, notify);
+ rc = OBP(obd, notify)(obd, watched, ev);
+
+ RETURN(rc);
}
static inline int obd_notify_observer(struct obd_device *observer,
- struct obd_device *observed,
- enum obd_notify_event ev,
- void *data)
+ struct obd_device *observed,
+ enum obd_notify_event ev)
{
- int rc1;
- int rc2;
+ int rc = 0;
+ int rc2 = 0;
+ struct obd_notify_upcall *onu;
- struct obd_notify_upcall *onu;
+ if (observer->obd_observer)
+ rc = obd_notify(observer->obd_observer, observed, ev);
- if (observer->obd_observer)
- rc1 = obd_notify(observer->obd_observer, observed, ev, data);
- else
- rc1 = 0;
- /*
- * Also, call non-obd listener, if any
- */
- onu = &observer->obd_upcall;
- if (onu->onu_upcall != NULL)
- rc2 = onu->onu_upcall(observer, observed, ev,
- onu->onu_owner, NULL);
- else
- rc2 = 0;
+ /*
+ * Also, call non-obd listener, if any
+ */
+ onu = &observer->obd_upcall;
+ if (onu->onu_upcall != NULL)
+ rc2 = onu->onu_upcall(observer, observed, ev, onu->onu_owner);
- return rc1 ? rc1 : rc2;
+ return rc ? rc : rc2;
}
static inline int obd_quotactl(struct obd_export *exp,
}
/* 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_enqueue(struct obd_export *exp,
struct ldlm_enqueue_info *einfo,
const union ldlm_policy_data *policy,
- struct lookup_intent *it,
struct md_op_data *op_data,
struct lustre_handle *lockh,
__u64 extra_lock_flags)
ENTRY;
EXP_CHECK_MD_OP(exp, enqueue);
EXP_MD_COUNTER_INCREMENT(exp, enqueue);
- rc = MDP(exp->exp_obd, enqueue)(exp, einfo, policy, it, op_data, lockh,
+ rc = MDP(exp->exp_obd, enqueue)(exp, einfo, policy, op_data, lockh,
extra_lock_flags);
RETURN(rc);
}
}
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,
}
static inline int md_set_lock_data(struct obd_export *exp,
- __u64 *lockh, void *data, __u64 *bits)
+ const struct lustre_handle *lockh,
+ void *data, __u64 *bits)
{
ENTRY;
EXP_CHECK_MD_OP(exp, set_lock_data);
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,
RETURN(MDP(exp->exp_obd, init_ea_size)(exp, ea_size, def_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)
-{
- 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);
-}
-
-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);
-}
-
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);
int lustre_check_exclusion(struct super_block *sb, char *svname);
/* sysctl.c */
-extern void obd_sysctl_init (void);
-extern void obd_sysctl_clean (void);
+extern int obd_sysctl_init(void);
+extern void obd_sysctl_clean(void);
/* uuid.c */
typedef __u8 class_uuid_t[16];
int class_add_uuid(const char *uuid, __u64 nid);
int class_del_uuid (const char *uuid);
int class_check_uuid(struct obd_uuid *uuid, __u64 nid);
-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))
/* linux-module.c */
extern struct miscdevice obd_psdev;
+int obd_ioctl_getdata(char **buf, int *len, void __user *arg);
int class_procfs_init(void);
int class_procfs_clean(void);