struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
void class_obd_list(void);
struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
- const char * typ_name,
+ const char *type_name,
struct obd_uuid *grp_uuid);
struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
int *next);
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);
+__u16 obd_get_mod_rpc_slot(struct client_obd *cli, __u32 opc);
+void obd_put_mod_rpc_slot(struct client_obd *cli, __u32 opc, __u16 tag);
struct llog_handle;
struct llog_rec_hdr;
ssize_t class_set_global(const char *param);
ssize_t class_modify_config(struct lustre_cfg *lcfg, const char *prefix,
struct kobject *kobj);
-int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
- struct lustre_cfg *lcfg, void *data);
int class_attach(struct lustre_cfg *lcfg);
int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
/* list of active configuration logs */
struct config_llog_data {
struct ldlm_res_id cld_resid;
+ struct lustre_handle cld_lockh;
struct config_llog_instance cld_cfg;
struct list_head cld_list_chain;/* on config_llog_list */
atomic_t cld_refcount;
struct obd_import *class_new_import(struct obd_device *obd);
void class_destroy_import(struct obd_import *exp);
+#ifdef HAVE_SERVER_SUPPORT
struct obd_type *class_search_type(const char *name);
struct obd_type *class_get_type(const char *name);
+#endif
void class_put_type(struct obd_type *type);
int class_connect(struct lustre_handle *conn, struct obd_device *obd,
struct obd_uuid *cluuid);
if (obd->obd_osfs_age < max_age ||
((obd->obd_osfs.os_state & OS_STATE_SUM) &&
!(flags & OBD_STATFS_SUM))) {
- rc = OBP(obd, statfs)(env, exp, osfs, max_age, flags);
+ bool update_age = false;
+ /* the RPC will block anyway, so avoid sending many at once */
+ rc = mutex_lock_interruptible(&obd->obd_dev_mutex);
+ if (rc)
+ RETURN(rc);
+ if (obd->obd_osfs_age < max_age ||
+ ((obd->obd_osfs.os_state & OS_STATE_SUM) &&
+ !(flags & OBD_STATFS_SUM))) {
+ rc = OBP(obd, statfs)(env, exp, osfs, max_age, flags);
+ update_age = true;
+ } else {
+ CDEBUG(D_SUPER,
+ "%s: new %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);
+ }
if (rc == 0) {
spin_lock(&obd->obd_osfs_lock);
memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
- obd->obd_osfs_age = ktime_get_seconds();
+ if (update_age)
+ obd->obd_osfs_age = ktime_get_seconds();
spin_unlock(&obd->obd_osfs_lock);
}
+ mutex_unlock(&obd->obd_dev_mutex);
} else {
CDEBUG(D_SUPER,
"%s: use %p cache blocks %llu/%llu objects %llu/%llu\n",
return MDP(exp->exp_obd, unpackmd)(exp, plsm, lmm, lmm_size);
}
+static inline int md_rmfid(struct obd_export *exp, struct fid_array *fa,
+ int *rcs, struct ptlrpc_request_set *set)
+{
+ int rc;
+
+ rc = exp_check_ops(exp);
+ if (rc)
+ return rc;
+
+ return MDP(exp->exp_obd, rmfid)(exp, fa, rcs, set);
+}
+
/* OBD Metadata Support */
extern int obd_init_caches(void);
void statfs_unpack(struct kstatfs *sfs, struct obd_statfs *osfs);
/* root squash info */
-struct rw_semaphore;
struct root_squash_info {
uid_t rsi_uid;
gid_t rsi_gid;
struct list_head rsi_nosquash_nids;
- struct rw_semaphore rsi_sem;
+ spinlock_t rsi_lock;
};
int server_name2index(const char *svname, __u32 *idx, const char **endptr);