*
* 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, 2015, 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 */
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);
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 */
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);
-enum {
- CONFIG_T_CONFIG = 0,
- CONFIG_T_SPTLRPC = 1,
- CONFIG_T_RECOVER = 2,
- CONFIG_T_PARAMS = 3,
- CONFIG_T_NODEMAP = 4,
- CONFIG_T_MAX = 5
-};
+#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 config_llog_data *cld_nodemap;/* nodemap log */
- struct obd_export *cld_mgcexp;
+ 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 {
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,
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);
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,
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_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);
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[];
/* 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);