* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef __CLASS_OBD_H
#define __CLASS_OBD_H
-
+#include <linux/kobject.h>
#include <obd_support.h>
#include <lustre_import.h>
#include <lustre_net.h>
* obd_osfs_age */
#define OBD_STATFS_FOR_MDT0 0x0004 /* The statfs is only for retrieving
* information from MDT0. */
+#define OBD_STATFS_SUM 0x0008 /* get aggregated statfs from MDT */
extern rwlock_t obd_dev_lock;
/* OBD Operations Declarations */
-extern struct obd_device *class_conn2obd(struct lustre_handle *);
extern struct obd_device *class_exp2obd(struct obd_export *);
extern int class_handle_ioctl(unsigned int cmd, unsigned long arg);
-int lustre_get_jobid(char *jobid);
+int lustre_get_jobid(char *jobid, size_t len);
void lustre_jobid_clear(const char *jobid);
void jobid_cache_fini(void);
int jobid_cache_init(void);
+char *jobid_current(void);
+int jobid_set_current(char *jobid);
struct lu_device_type;
/* genops.c */
struct obd_export *class_conn2export(struct lustre_handle *);
-int class_register_type(struct obd_ops *, struct md_ops *, bool enable_proc,
+#ifdef HAVE_SERVER_SUPPORT
+struct obd_type *class_add_symlinks(const char *name, bool enable_proc);
+#endif
+int class_register_type(const struct obd_ops *dt_ops,
+ const struct md_ops *md_ops, bool enable_proc,
struct lprocfs_vars *module_vars,
const char *nm, struct lu_device_type *ldt);
int class_unregister_type(const char *nm);
int class_uuid2dev(struct obd_uuid *uuid);
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,
- struct obd_uuid *grp_uuid);
-struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
- int *next);
-struct obd_device * class_num2obd(int num);
+struct obd_device *class_find_client_obd(struct obd_uuid *tgt_uuid,
+ const char *type_name,
+ struct obd_uuid *grp_uuid);
+struct obd_device *class_devices_in_group(struct obd_uuid *grp_uuid,
+ int *next);
+struct obd_device *class_num2obd(int num);
int get_devices_count(void);
int class_notify_sptlrpc_conf(const char *fsname, int namelen);
-char *obd_export_nid2str(struct obd_export *exp);
+static inline char *obd_export_nid2str(struct obd_export *exp)
+{
+ return exp->exp_connection == NULL ?
+ "<unknown>" : libcfs_nid2str(exp->exp_connection->c_peer.nid);
+}
+
+static inline char *obd_import_nid2str(struct obd_import *imp)
+{
+ return imp->imp_connection == NULL ?
+ "<unknown>" : libcfs_nid2str(imp->imp_connection->c_peer.nid);
+}
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_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;
char *lustre_cfg_string(struct lustre_cfg *lcfg, u32 index);
struct lustre_cfg *lustre_cfg_rename(struct lustre_cfg *cfg,
const char *new_name);
+void print_lustre_cfg(struct lustre_cfg *lcfg);
int class_process_config(struct lustre_cfg *lcfg);
-int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
- struct lustre_cfg *lcfg, void *data);
+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_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);
#define CFG_F_START 0x01 /* Set when we start updating from a log */
#define CFG_F_MARKER 0x02 /* We are within a maker */
#define CFG_F_SKIP 0x04 /* We should ignore this cfg command */
-#define CFG_F_COMPAT146 0x08 /* Allow old-style logs */
#define CFG_F_EXCLUDE 0x10 /* OST exclusion list */
/* Passed as data param to class_config_parse_llog */
struct config_llog_instance {
- char *cfg_obdname;
- void *cfg_instance;
+ unsigned long cfg_instance;
struct super_block *cfg_sb;
struct obd_uuid cfg_uuid;
llog_cb_t cfg_callback;
int class_config_parse_llog(const struct lu_env *env, struct llog_ctxt *ctxt,
char *name, struct config_llog_instance *cfg);
+/**
+ * Generate a unique configuration instance for this mount
+ *
+ * Temporary hack to bypass ASLR in 4.15+ kernels, a better fix soon.
+ * For now, use the same value as before - the superblock pointer value.
+ *
+ * Using the client UUID would be an option, but it needs more testing.
+ */
+static inline unsigned long ll_get_cfg_instance(struct super_block *sb)
+{
+ return (unsigned long)sb;
+}
+
#define CONFIG_SUB_SPTLRPC 0x01
#define CONFIG_SUB_RECOVER 0x02
#define CONFIG_SUB_PARAMS 0x04
/* 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;
/* genops.c */
struct obd_export *class_export_get(struct obd_export *exp);
void class_export_put(struct obd_export *exp);
-struct obd_export *class_new_export(struct obd_device *obddev,
+struct obd_export *class_new_export(struct obd_device *obd,
struct obd_uuid *cluuid);
struct obd_export *class_new_export_self(struct obd_device *obd,
struct obd_uuid *uuid);
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);
int class_disconnect(struct obd_export *exp);
void class_fail_export(struct obd_export *exp);
int class_connected_export(struct obd_export *exp);
-void class_disconnect_exports(struct obd_device *obddev);
+void class_disconnect_exports(struct obd_device *obd);
int class_manual_cleanup(struct obd_device *obd);
void class_disconnect_stale_exports(struct obd_device *,
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) |
#define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
#define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
-/* Ensure obd_setup: used for cleanup which must be called
- while obd is stopping */
-#define OBD_CHECK_DEV(obd) \
-do { \
- if (!(obd)) { \
- CERROR("NULL device\n"); \
- RETURN(-ENODEV); \
- } \
-} while (0)
+static inline int obd_check_dev(struct obd_device *obd)
+{
+ if (!obd) {
+ CERROR("NULL device\n");
+ return -ENODEV;
+ }
+ return 0;
+}
/* ensure obd_setup and !obd_stopping */
#define OBD_CHECK_DEV_ACTIVE(obd) \
do { \
- OBD_CHECK_DEV(obd); \
+ rc = obd_check_dev(obd); \
+ if (rc) \
+ return rc; \
+ \
if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
CERROR("Device %d not setup\n", \
(obd)->obd_minor); \
} while (0)
-#ifdef CONFIG_PROC_FS
-#define OBD_COUNTER_OFFSET(op) \
- ((offsetof(struct obd_ops, o_ ## op) - \
- offsetof(struct obd_ops, o_iocontrol)) \
- / sizeof(((struct obd_ops *)NULL)->o_iocontrol))
-
-/* The '- 1' below is for o_owner. */
-#define NUM_OBD_STATS \
- (sizeof(struct obd_ops) / \
- sizeof(((struct obd_ops *)NULL)->o_iocontrol) - 1)
-
-#define OBD_COUNTER_INCREMENT(obd, op) \
- lprocfs_counter_incr((obd)->obd_stats, \
- (obd)->obd_cntr_base + OBD_COUNTER_OFFSET(op))
-
-#define EXP_COUNTER_INCREMENT(exp, op) \
- do { \
- unsigned int _off; \
- _off = (exp)->exp_obd->obd_cntr_base + OBD_COUNTER_OFFSET(op); \
- lprocfs_counter_incr((exp)->exp_obd->obd_stats, _off); \
- if ((exp)->exp_obd->obd_uses_nid_stats && \
- (exp)->exp_nid_stats != NULL) \
- lprocfs_counter_incr((exp)->exp_nid_stats->nid_stats, \
- _off); \
- } while (0)
-
-#define _MD_COUNTER_OFFSET(m_op) \
- ((offsetof(struct md_ops, m_op) - \
- offsetof(struct md_ops, MD_STATS_FIRST_OP)) / \
- sizeof(((struct md_ops *)NULL)->MD_STATS_FIRST_OP))
-
-#define MD_COUNTER_OFFSET(op) _MD_COUNTER_OFFSET(m_ ## op)
-
-#define NUM_MD_STATS \
- (_MD_COUNTER_OFFSET(MD_STATS_LAST_OP) - \
- _MD_COUNTER_OFFSET(MD_STATS_FIRST_OP) + 1)
-
-/* Note that we only increment md counters for ops whose offset is less
- * than NUM_MD_STATS. This is explained in a comment in the definition
- * of struct md_ops. */
-#define EXP_MD_COUNTER_INCREMENT(exp, op) \
- do { \
- if (MD_COUNTER_OFFSET(op) < NUM_MD_STATS) \
- lprocfs_counter_incr((exp)->exp_obd->obd_md_stats, \
- (exp)->exp_obd->obd_md_cntr_base + \
- MD_COUNTER_OFFSET(op)); \
- } while (0)
-
-#else
-#define OBD_COUNTER_OFFSET(op)
-#define OBD_COUNTER_INCREMENT(obd, op)
-#define EXP_COUNTER_INCREMENT(exp, op)
-#define EXP_MD_COUNTER_INCREMENT(exp, op)
-#endif
-
static inline int lprocfs_nid_ldlm_stats_init(struct nid_stat* tmp)
{
/* Always add in ldlm_stats */
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, get_info);
rc = OBP(exp->exp_obd, get_info)(env, exp, keylen, key, vallen, val);
RETURN(rc);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, set_info_async);
rc = OBP(exp->exp_obd, set_info_async)(env, exp, keylen, key, vallen,
val, set);
static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
{
int rc;
- struct lu_device_type *ldt = obd->obd_type->typ_lu;
- struct lu_device *d;
+ struct obd_type *type = obd->obd_type;
+ struct lu_device_type *ldt;
- ENTRY;
+ ENTRY;
- if (ldt != NULL) {
- struct lu_context session_ctx;
- struct lu_env env;
- lu_context_init(&session_ctx, LCT_SESSION | LCT_SERVER_SESSION);
- session_ctx.lc_thread = NULL;
- lu_context_enter(&session_ctx);
+ wait_var_event(&type->typ_lu,
+ smp_load_acquire(&type->typ_lu) != OBD_LU_TYPE_SETUP);
+ ldt = type->typ_lu;
+ if (ldt != NULL) {
+ struct lu_context session_ctx;
+ struct lu_env env;
- rc = lu_env_init(&env, ldt->ldt_ctx_tags);
- if (rc == 0) {
- env.le_ses = &session_ctx;
- d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
- lu_env_fini(&env);
- if (!IS_ERR(d)) {
- obd->obd_lu_dev = d;
- d->ld_obd = obd;
- rc = 0;
- } else
- rc = PTR_ERR(d);
- }
- lu_context_exit(&session_ctx);
- lu_context_fini(&session_ctx);
+ lu_context_init(&session_ctx, LCT_SESSION | LCT_SERVER_SESSION);
+ session_ctx.lc_thread = NULL;
+ lu_context_enter(&session_ctx);
- } else {
+ rc = lu_env_init(&env, ldt->ldt_ctx_tags);
+ if (rc == 0) {
+ struct lu_device *dev;
+ env.le_ses = &session_ctx;
+ dev = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
+ lu_env_fini(&env);
+ if (!IS_ERR(dev)) {
+ obd->obd_lu_dev = dev;
+ dev->ld_obd = obd;
+ rc = 0;
+ } else
+ rc = PTR_ERR(dev);
+ }
+ lu_context_exit(&session_ctx);
+ lu_context_fini(&session_ctx);
+ } else {
if (!obd->obd_type->typ_dt_ops->o_setup) {
CERROR("%s: no %s operation\n", obd->obd_name,
__func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, setup);
- rc = OBP(obd, setup)(obd, cfg);
- }
- RETURN(rc);
+ rc = OBP(obd, setup)(obd, cfg);
+ }
+ RETURN(rc);
}
static inline int obd_precleanup(struct obd_device *obd)
ENTRY;
if (ldt != NULL && d != NULL) {
- 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);
+ struct lu_env *env = lu_env_find();
+ struct lu_env _env;
+
+ if (!env) {
+ env = &_env;
+ rc = lu_env_init(env, ldt->ldt_ctx_tags);
+ LASSERT(rc == 0);
+ lu_env_add(env);
+ }
+ ldt->ldt_ops->ldto_device_fini(env, d);
+ if (env == &_env) {
+ lu_env_remove(env);
+ lu_env_fini(env);
}
}
if (!obd->obd_type->typ_dt_ops->o_precleanup)
RETURN(0);
- OBD_COUNTER_INCREMENT(obd, precleanup);
-
rc = OBP(obd, precleanup)(obd);
RETURN(rc);
}
if (!obd->obd_type->typ_dt_ops->o_cleanup)
RETURN(0);
- OBD_COUNTER_INCREMENT(obd, cleanup);
-
rc = OBP(obd, cleanup)(obd);
RETURN(rc);
}
}
rc = OBP(obd, process_config)(obd, datalen, data);
}
- OBD_COUNTER_INCREMENT(obd, process_config);
+
obd->obd_process_conf = 0;
RETURN(rc);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, create);
rc = OBP(exp->exp_obd, create)(env, exp, obdo);
RETURN(rc);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, destroy);
rc = OBP(exp->exp_obd, destroy)(env, exp, obdo);
RETURN(rc);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, getattr);
+
rc = OBP(exp->exp_obd, getattr)(env, exp, oa);
RETURN(rc);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, setattr);
+
rc = OBP(exp->exp_obd, setattr)(env, exp, oa);
RETURN(rc);
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, add_conn);
rc = OBP(obd, add_conn)(imp, uuid, priority);
RETURN(rc);
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, del_conn);
rc = OBP(obd, del_conn)(imp, uuid);
RETURN(rc);
!exp->exp_obd->obd_type->typ_dt_ops->o_get_uuid)
RETURN(NULL);
- EXP_COUNTER_INCREMENT(exp, get_uuid);
-
uuid = OBP(exp->exp_obd, get_uuid)(exp);
RETURN(uuid);
}
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, connect);
rc = OBP(obd, connect)(env, exp, obd, cluuid, data, localdata);
/* check that only subset is granted */
if (!obd->obd_type || !obd->obd_type->typ_dt_ops->o_reconnect)
RETURN(0);
- OBD_COUNTER_INCREMENT(obd, reconnect);
-
rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d, localdata);
/* check that only subset is granted */
LASSERT(ergo(d != NULL,
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, disconnect);
rc = OBP(exp->exp_obd, disconnect)(exp);
RETURN(rc);
if (!obd->obd_type || !obd->obd_type->typ_dt_ops->o_fid_init)
RETURN(0);
- OBD_COUNTER_INCREMENT(obd, fid_init);
rc = OBP(obd, fid_init)(obd, exp, type);
RETURN(rc);
ENTRY;
if (!obd->obd_type || !obd->obd_type->typ_dt_ops->o_fid_fini)
RETURN(0);
- OBD_COUNTER_INCREMENT(obd, fid_fini);
rc = OBP(obd, fid_fini)(obd);
RETURN(rc);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, fid_alloc);
rc = OBP(exp->exp_obd, fid_alloc)(env, exp, fid, op_data);
RETURN(rc);
}
-static inline int obd_ping(const struct lu_env *env, struct obd_export *exp)
-{
- int rc;
- ENTRY;
-
- if (!exp->exp_obd->obd_type ||
- !exp->exp_obd->obd_type->typ_dt_ops->o_ping)
- RETURN(0);
-
- EXP_COUNTER_INCREMENT(exp, ping);
-
- rc = OBP(exp->exp_obd, ping)(env, exp);
- RETURN(rc);
-}
-
static inline int obd_pool_new(struct obd_device *obd, char *poolname)
{
int rc;
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, pool_new);
rc = OBP(obd, pool_new)(obd, poolname);
RETURN(rc);
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, pool_del);
rc = OBP(obd, pool_del)(obd, poolname);
RETURN(rc);
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, pool_add);
rc = OBP(obd, pool_add)(obd, poolname, ostname);
RETURN(rc);
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, pool_rem);
rc = OBP(obd, pool_rem)(obd, poolname, ostname);
RETURN(rc);
}
-static inline void obd_getref(struct obd_device *obd)
-{
- ENTRY;
- if (obd->obd_type && OBP(obd, getref)) {
- OBD_COUNTER_INCREMENT(obd, getref);
- OBP(obd, getref)(obd);
- }
- EXIT;
-}
-
-static inline void obd_putref(struct obd_device *obd)
-{
- ENTRY;
- if (obd->obd_type && OBP(obd, putref)) {
- OBD_COUNTER_INCREMENT(obd, putref);
- OBP(obd, putref)(obd);
- }
- EXIT;
-}
-
static inline int obd_init_export(struct obd_export *exp)
{
int rc = 0;
RETURN(0);
}
-/* @max_age is the oldest time in jiffies that we accept using a cached data.
+/* @max_age is the oldest time in seconds that we accept using a cached data.
* If the cache is older than @max_age we will get a new value from the
- * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
+ * target. Use a value of 'ktime_get_seconds() + X' to guarantee freshness.
+ */
static inline int obd_statfs_async(struct obd_export *exp,
struct obd_info *oinfo,
- __u64 max_age,
+ time64_t max_age,
struct ptlrpc_request_set *rqset)
{
- int rc = 0;
struct obd_device *obd;
+ int rc = 0;
ENTRY;
obd = exp->exp_obd;
if (!obd->obd_type || !obd->obd_type->typ_dt_ops->o_statfs) {
- CERROR("%s: no %s operation\n", obd->obd_name, __func__);
- RETURN(-EOPNOTSUPP);
+ rc = -EOPNOTSUPP;
+ CERROR("%s: no statfs operation: rc = %d\n", obd->obd_name, rc);
+ RETURN(rc);
}
- OBD_COUNTER_INCREMENT(obd, statfs);
- 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 %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);
- spin_lock(&obd->obd_osfs_lock);
- memcpy(oinfo->oi_osfs, &obd->obd_osfs,
- sizeof(*oinfo->oi_osfs));
- spin_unlock(&obd->obd_osfs_lock);
- oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
- if (oinfo->oi_cb_up)
- oinfo->oi_cb_up(oinfo, 0);
- }
+ CDEBUG(D_SUPER, "%s: age %lld, max_age %lld\n",
+ obd->obd_name, obd->obd_osfs_age, max_age);
+ rc = OBP(obd, statfs_async)(exp, oinfo, max_age, rqset);
+
RETURN(rc);
}
-/* @max_age is the oldest time in jiffies that we accept using a cached data.
+/* @max_age is the oldest time in seconds that we accept using a cached data.
* If the cache is older than @max_age we will get a new value from the
- * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
+ * target. Use a value of 'ktime_get_seconds() + X' to guarantee freshness.
+ */
static inline int obd_statfs(const struct lu_env *env, struct obd_export *exp,
- struct obd_statfs *osfs, __u64 max_age,
- __u32 flags)
+ struct obd_statfs *osfs, time64_t max_age,
+ __u32 flags)
{
- int rc = 0;
- struct obd_device *obd = exp->exp_obd;
- ENTRY;
+ struct obd_device *obd = exp->exp_obd;
+ int rc = 0;
- if (obd == NULL)
- RETURN(-EINVAL);
+ ENTRY;
+ if (unlikely(obd == NULL))
+ RETURN(-EINVAL);
- if (!obd->obd_type || !obd->obd_type->typ_dt_ops->o_statfs) {
+ OBD_CHECK_DEV_ACTIVE(obd);
+
+ if (unlikely(!obd->obd_type || !obd->obd_type->typ_dt_ops->o_statfs)) {
CERROR("%s: no %s operation\n", obd->obd_name, __func__);
RETURN(-EOPNOTSUPP);
}
- OBD_COUNTER_INCREMENT(obd, statfs);
- 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);
- if (rc == 0) {
+ CDEBUG(D_SUPER, "%s: age %lld, max_age %lld\n",
+ obd->obd_name, obd->obd_osfs_age, max_age);
+ /* ignore cache if aggregated isn't expected */
+ if (obd->obd_osfs_age < max_age ||
+ ((obd->obd_osfs.os_state & OS_STATFS_SUM) &&
+ !(flags & OBD_STATFS_SUM))) {
+ /* 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_STATFS_SUM) &&
+ !(flags & OBD_STATFS_SUM))) {
+ rc = OBP(obd, statfs)(env, exp, osfs, max_age, flags);
+ } else {
+ mutex_unlock(&obd->obd_dev_mutex);
+ GOTO(cached, rc = 0);
+ }
+ if (rc == 0) {
+ CDEBUG(D_SUPER,
+ "%s: update %p cache blocks %llu/%llu objects %llu/%llu\n",
+ obd->obd_name, &obd->obd_osfs,
+ osfs->os_bavail, osfs->os_blocks,
+ osfs->os_ffree, osfs->os_files);
+
spin_lock(&obd->obd_osfs_lock);
memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
- obd->obd_osfs_age = cfs_time_current_64();
+ 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",
+cached:
+ 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);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, preprw);
+
rc = OBP(exp->exp_obd, preprw)(env, cmd, exp, oa, objcount, obj, remote,
pages, local);
struct obd_export *exp, struct obdo *oa,
int objcount, struct obd_ioobj *obj,
struct niobuf_remote *rnb, int pages,
- struct niobuf_local *local, int rc)
+ struct niobuf_local *local, const int orig_rc)
{
+ int rc;
ENTRY;
rc = exp_check_ops(exp);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, commitrw);
+
rc = OBP(exp->exp_obd, commitrw)(env, cmd, exp, oa, objcount, obj,
- rnb, pages, local, rc);
+ rnb, pages, local, orig_rc);
RETURN(rc);
}
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, iocontrol);
rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
RETURN(rc);
EXIT;
return;
}
- if (obd->obd_set_up && OBP(obd, import_event)) {
- OBD_COUNTER_INCREMENT(obd, import_event);
+
+ if (obd->obd_set_up && OBP(obd, import_event))
OBP(obd, import_event)(obd, imp, event);
- }
+
EXIT;
}
{
int rc;
ENTRY;
- OBD_CHECK_DEV(obd);
+
+ rc = obd_check_dev(obd);
+ if (rc)
+ return rc;
if (!obd->obd_set_up) {
CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
RETURN(-ENOSYS);
}
- OBD_COUNTER_INCREMENT(obd, notify);
rc = OBP(obd, notify)(obd, watched, ev);
RETURN(rc);
(exp)->exp_obd->obd_name, __func__);
RETURN(-ENOTSUPP);
}
- EXP_COUNTER_INCREMENT(exp, quotactl);
rc = OBP(exp->exp_obd, quotactl)(exp->exp_obd, exp, oqctl);
RETURN(rc);
static inline int obd_register_observer(struct obd_device *obd,
struct obd_device *observer)
{
+ int rc;
ENTRY;
- OBD_CHECK_DEV(obd);
+
+ rc = obd_check_dev(obd);
+ if (rc)
+ return rc;
+
down_write(&obd->obd_observer_link_sem);
if (obd->obd_observer && observer) {
up_write(&obd->obd_observer_link_sem);
}
/* metadata helpers */
+enum mps_stat_idx {
+ LPROC_MD_CLOSE,
+ LPROC_MD_CREATE,
+ LPROC_MD_ENQUEUE,
+ LPROC_MD_GETATTR,
+ LPROC_MD_INTENT_LOCK,
+ LPROC_MD_LINK,
+ LPROC_MD_RENAME,
+ LPROC_MD_SETATTR,
+ LPROC_MD_FSYNC,
+ LPROC_MD_READ_PAGE,
+ LPROC_MD_UNLINK,
+ LPROC_MD_SETXATTR,
+ LPROC_MD_GETXATTR,
+ LPROC_MD_INTENT_GETATTR_ASYNC,
+ LPROC_MD_REVALIDATE_LOCK,
+ LPROC_MD_LAST_OPC,
+};
+
static inline int md_get_root(struct obd_export *exp, const char *fileset,
struct lu_fid *fid)
{
int rc;
- ENTRY;
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, get_root);
- rc = MDP(exp->exp_obd, get_root)(exp, fileset, fid);
+ return rc;
- RETURN(rc);
+ return MDP(exp->exp_obd, get_root)(exp, fileset, fid);
}
static inline int md_getattr(struct obd_export *exp,
{
int rc;
- ENTRY;
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, getattr);
- rc = MDP(exp->exp_obd, getattr)(exp, op_data, request);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_GETATTR);
+
+ return MDP(exp->exp_obd, getattr)(exp, op_data, request);
}
static inline int md_null_inode(struct obd_export *exp,
const struct lu_fid *fid)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, null_inode);
- rc = MDP(exp->exp_obd, null_inode)(exp, fid);
- RETURN(rc);
+ return rc;
+
+ return MDP(exp->exp_obd, null_inode)(exp, fid);
}
static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
struct md_open_data *mod,
struct ptlrpc_request **request)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, close);
- rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_CLOSE);
+
+ return MDP(exp->exp_obd, close)(exp, op_data, mod, request);
}
static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
uid_t uid, gid_t gid, cfs_cap_t cap_effective,
__u64 rdev, struct ptlrpc_request **request)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, create);
- rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
- uid, gid, cap_effective, rdev, request);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_CREATE);
+
+ return MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
+ uid, gid, cap_effective, rdev,
+ request);
}
static inline int md_enqueue(struct obd_export *exp,
__u64 extra_lock_flags)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, enqueue);
- rc = MDP(exp->exp_obd, enqueue)(exp, einfo, policy, op_data, lockh,
- extra_lock_flags);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_ENQUEUE);
+
+ return MDP(exp->exp_obd, enqueue)(exp, einfo, policy, op_data, lockh,
+ extra_lock_flags);
}
static inline int md_getattr_name(struct obd_export *exp,
struct md_op_data *op_data,
struct ptlrpc_request **request)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
- rc = MDP(exp->exp_obd, getattr_name)(exp, op_data, request);
- RETURN(rc);
+ return rc;
+
+ return MDP(exp->exp_obd, getattr_name)(exp, op_data, request);
}
static inline int md_intent_lock(struct obd_export *exp,
__u64 extra_lock_flags)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
- rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, it, reqp, cb_blocking,
- extra_lock_flags);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_INTENT_LOCK);
+
+ return MDP(exp->exp_obd, intent_lock)(exp, op_data, it, reqp,
+ cb_blocking, extra_lock_flags);
}
static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, link);
- rc = MDP(exp->exp_obd, link)(exp, op_data, request);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_LINK);
+
+ return MDP(exp->exp_obd, link)(exp, op_data, request);
}
static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
- const char *old, size_t oldlen, const char *new,
- size_t newlen, struct ptlrpc_request **request)
+ const char *old_name, size_t oldlen,
+ const char *new_name, size_t newlen,
+ struct ptlrpc_request **request)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
+ return rc;
- EXP_MD_COUNTER_INCREMENT(exp, rename);
- rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
- newlen, request);
- RETURN(rc);
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_RENAME);
+
+ return MDP(exp->exp_obd, rename)(exp, op_data, old_name, oldlen,
+ new_name, newlen, request);
}
static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
+ return rc;
- EXP_MD_COUNTER_INCREMENT(exp, setattr);
- rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen, request);
- RETURN(rc);
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_SETATTR);
+
+ return MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen, request);
}
static inline int md_fsync(struct obd_export *exp, const struct lu_fid *fid,
{
int rc;
- ENTRY;
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
+ return rc;
- EXP_MD_COUNTER_INCREMENT(exp, fsync);
- rc = MDP(exp->exp_obd, fsync)(exp, fid, request);
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_FSYNC);
- RETURN(rc);
+ return MDP(exp->exp_obd, fsync)(exp, fid, request);
}
/* FLR: resync mirrored files. */
{
int rc;
- ENTRY;
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
-
- EXP_MD_COUNTER_INCREMENT(exp, file_resync);
- rc = MDP(exp->exp_obd, file_resync)(exp, data);
+ return rc;
- RETURN(rc);
+ return MDP(exp->exp_obd, file_resync)(exp, data);
}
static inline int md_read_page(struct obd_export *exp,
struct page **ppage)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
+ return rc;
- EXP_MD_COUNTER_INCREMENT(exp, read_page);
- rc = MDP(exp->exp_obd, read_page)(exp, op_data, cb_op, hash_offset,
- ppage);
- RETURN(rc);
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_READ_PAGE);
+
+ return MDP(exp->exp_obd, read_page)(exp, op_data, cb_op, hash_offset,
+ ppage);
}
static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
+ return rc;
- EXP_MD_COUNTER_INCREMENT(exp, unlink);
- rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
- RETURN(rc);
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_UNLINK);
+
+ return MDP(exp->exp_obd, unlink)(exp, op_data, request);
}
static inline int md_get_lustre_md(struct obd_export *exp,
struct lustre_md *md)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
+ return rc;
- EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
- RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
+ return MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md);
}
static inline int md_free_lustre_md(struct obd_export *exp,
struct lustre_md *md)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
- RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
+ return rc;
+
+ return MDP(exp->exp_obd, free_lustre_md)(exp, md);
}
static inline int md_merge_attr(struct obd_export *exp,
+ const struct lu_fid *fid,
const struct lmv_stripe_md *lsm,
struct cl_attr *attr,
ldlm_blocking_callback cb)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, merge_attr);
- RETURN(MDP(exp->exp_obd, merge_attr)(exp, lsm, attr, cb));
+ return rc;
+
+ return MDP(exp->exp_obd, merge_attr)(exp, fid, lsm, attr, cb);
}
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)
+ u64 obd_md_valid, const char *name,
+ const void *value, size_t value_size,
+ unsigned int xattr_flags, u32 suppgid,
+ struct ptlrpc_request **req)
{
int rc;
- ENTRY;
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, setxattr);
- RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, valid, name, input,
- input_size, output_size, flags,
- suppgid, request));
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_SETXATTR);
+
+ return MDP(exp->exp_obd, setxattr)(exp, fid, obd_md_valid, name,
+ value, value_size, xattr_flags,
+ suppgid, req);
}
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)
+ u64 obd_md_valid, const char *name,
+ size_t buf_size, struct ptlrpc_request **req)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, getxattr);
- RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, valid, name, input,
- input_size, output_size, flags,
- request));
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_GETXATTR);
+
+ return MDP(exp->exp_obd, getxattr)(exp, fid, obd_md_valid, name,
+ buf_size, req);
}
static inline int md_set_open_replay_data(struct obd_export *exp,
struct lookup_intent *it)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
- RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, it));
+ return rc;
+
+ return MDP(exp->exp_obd, set_open_replay_data)(exp, och, it);
}
static inline int md_clear_open_replay_data(struct obd_export *exp,
struct obd_client_handle *och)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
- RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
+ return rc;
+
+ return MDP(exp->exp_obd, clear_open_replay_data)(exp, och);
}
static inline int md_set_lock_data(struct obd_export *exp,
void *data, __u64 *bits)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
- RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data, bits));
+ return rc;
+
+ return MDP(exp->exp_obd, set_lock_data)(exp, lockh, data, bits);
}
static inline
enum ldlm_cancel_flags cancel_flags, void *opaque)
{
int rc;
- ENTRY;
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
+ return rc;
- rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
- cancel_flags, opaque);
- RETURN(rc);
+ return MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
+ cancel_flags, opaque);
}
static inline enum ldlm_mode md_lock_match(struct obd_export *exp, __u64 flags,
struct lustre_handle *lockh)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, lock_match);
- RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
- policy, mode, lockh));
+ return rc;
+
+ 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,
__u32 def_ea_size)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
- RETURN(MDP(exp->exp_obd, init_ea_size)(exp, ea_size, def_ea_size));
+ return rc;
+
+ return MDP(exp->exp_obd, init_ea_size)(exp, ea_size, def_ea_size);
}
static inline int md_intent_getattr_async(struct obd_export *exp,
struct md_enqueue_info *minfo)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
- rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_INTENT_GETATTR_ASYNC);
+
+ return MDP(exp->exp_obd, intent_getattr_async)(exp, minfo);
}
static inline int md_revalidate_lock(struct obd_export *exp,
struct lookup_intent *it,
struct lu_fid *fid, __u64 *bits)
{
- int rc;
- ENTRY;
+ int rc;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
- rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid, bits);
- RETURN(rc);
+ return rc;
+
+ lprocfs_counter_incr(exp->exp_obd->obd_md_stats,
+ LPROC_MD_REVALIDATE_LOCK);
+
+ return MDP(exp->exp_obd, revalidate_lock)(exp, it, fid, bits);
}
static inline int md_get_fid_from_lsm(struct obd_export *exp,
struct lu_fid *fid)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, get_fid_from_lsm);
- rc = MDP(exp->exp_obd, get_fid_from_lsm)(exp, lsm, name, namelen, fid);
- RETURN(rc);
-}
+ return rc;
+ return MDP(exp->exp_obd, get_fid_from_lsm)(exp, lsm, name, namelen,
+ fid);
+}
/* Unpack an MD struct from disk to in-memory format.
* Returns +ve size of unpacked MD (0 for free), or -ve error.
const union lmv_mds_md *lmm, size_t lmm_size)
{
int rc;
- ENTRY;
+
rc = exp_check_ops(exp);
if (rc)
- RETURN(rc);
- EXP_MD_COUNTER_INCREMENT(exp, unpackmd);
- rc = MDP(exp->exp_obd, unpackmd)(exp, plsm, lmm, lmm_size);
- RETURN(rc);
-}
+ return rc;
-/* OBD Metadata Support */
+ return MDP(exp->exp_obd, unpackmd)(exp, plsm, lmm, lmm_size);
+}
-extern int obd_init_caches(void);
-extern void obd_cleanup_caches(void);
+static inline int md_rmfid(struct obd_export *exp, struct fid_array *fa,
+ int *rcs, struct ptlrpc_request_set *set)
+{
+ int rc;
-/* support routines */
-extern struct kmem_cache *obdo_cachep;
+ rc = exp_check_ops(exp);
+ if (rc)
+ return rc;
-#define OBDO_ALLOC(ptr) \
-do { \
- OBD_SLAB_ALLOC_PTR_GFP((ptr), obdo_cachep, GFP_NOFS); \
-} while(0)
+ return MDP(exp->exp_obd, rmfid)(exp, fa, rcs, set);
+}
-#define OBDO_FREE(ptr) \
-do { \
- OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
-} while(0)
+/* OBD Metadata Support */
+extern int obd_init_caches(void);
+extern void obd_cleanup_caches(void);
typedef int (*register_lwp_cb)(void *data);
int lustre_unregister_fs(void);
int lustre_check_exclusion(struct super_block *sb, char *svname);
-/* sysctl.c */
-extern int obd_sysctl_init(void);
-extern void obd_sysctl_clean(void);
-
-typedef __u8 class_uuid_t[16];
-static inline void class_uuid_unparse(class_uuid_t uu, struct obd_uuid *out)
-{
- snprintf(out->uuid, sizeof(out->uuid), "%02x%02x%02x%02x-%02x%02x-"
- "%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
- uu[14], uu[15], uu[12], uu[13], uu[10], uu[11], uu[8], uu[9],
- uu[6], uu[7], uu[4], uu[5], uu[2], uu[3], uu[0], uu[1]);
-}
-
/* lustre_peer.c */
int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
int class_add_uuid(const char *uuid, __u64 nid);
int class_check_uuid(struct obd_uuid *uuid, __u64 nid);
/* 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))
+extern char obd_jobid_name[];
/* statfs_pack.c */
struct kstatfs;
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);
int class_procfs_init(void);
int class_procfs_clean(void);
+extern void obd_heat_add(struct obd_heat_instance *instance,
+ unsigned int time_second, __u64 count,
+ unsigned int weight, unsigned int period_second);
+extern void obd_heat_decay(struct obd_heat_instance *instance,
+ __u64 time_second, unsigned int weight,
+ unsigned int period_second);
+extern __u64 obd_heat_get(struct obd_heat_instance *instance,
+ unsigned int time_second, unsigned int weight,
+ unsigned int period_second);
+extern void obd_heat_clear(struct obd_heat_instance *instance, int count);
#endif /* __LINUX_OBD_CLASS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff