* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*/
/* OBD Device Declarations */
extern struct obd_device *obd_devs[MAX_OBD_DEVICES];
-extern spinlock_t obd_dev_lock;
+extern cfs_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);
struct lu_device_type;
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_zombie_impexp_init(void);
void obd_zombie_impexp_stop(void);
void obd_zombie_impexp_cull(void);
void obd_zombie_barrier(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);
/* obd_config.c */
int class_process_config(struct lustre_cfg *lcfg);
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);
+void dump_exports(struct obd_device *obd, int locks);
/*obdecho*/
#ifdef LPROCFS
/* Passed as data param to class_config_parse_llog */
struct config_llog_instance {
- char * cfg_instance;
- char * cfg_obdname;
+ char *cfg_obdname;
+ void *cfg_instance;
struct super_block *cfg_sb;
struct obd_uuid cfg_uuid;
int cfg_last_idx; /* for partial llog processing */
int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
struct config_llog_instance *cfg);
+enum {
+ CONFIG_T_CONFIG = 0,
+ CONFIG_T_SPTLRPC = 1,
+ CONFIG_T_MAX = 2
+};
+
/* list of active configuration logs */
struct config_llog_data {
- char *cld_logname;
- struct ldlm_res_id cld_resid;
+ 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 obd_export *cld_mgcexp;
- unsigned int cld_stopping:1, /* we were told to stop watching */
- cld_lostlock:1, /* lock not requeued */
- cld_is_sptlrpc:1;
+ cfs_list_t cld_list_chain;
+ cfs_atomic_t cld_refcount;
+ struct config_llog_data *cld_sptlrpc;/* depended sptlrpc log */
+ struct obd_export *cld_mgcexp;
+ cfs_mutex_t 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];
};
struct lustre_profile {
- struct list_head lp_list;
+ cfs_list_t lp_list;
char *lp_profile;
char *lp_dt;
char *lp_md;
void class_del_profile(const char *prof);
void class_del_profiles(void);
+#if LUSTRE_TRACKS_LOCK_EXP_REFS
+
+void __class_export_add_lock_ref(struct obd_export *, struct ldlm_lock *);
+void __class_export_del_lock_ref(struct obd_export *, struct ldlm_lock *);
+extern void (*class_export_dump_hook)(struct obd_export *);
+
+#else
+
+#define __class_export_add_lock_ref(exp, lock) do {} while(0)
+#define __class_export_del_lock_ref(exp, lock) do {} while(0)
+
+#endif
+
#define class_export_rpc_get(exp) \
({ \
- atomic_inc(&(exp)->exp_rpc_count); \
+ cfs_atomic_inc(&(exp)->exp_rpc_count); \
CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
- (exp), atomic_read(&(exp)->exp_rpc_count)); \
+ (exp), cfs_atomic_read(&(exp)->exp_rpc_count)); \
class_export_get(exp); \
})
#define class_export_rpc_put(exp) \
({ \
- atomic_dec(&(exp)->exp_rpc_count); \
+ LASSERT_ATOMIC_POS(&exp->exp_rpc_count); \
+ cfs_atomic_dec(&(exp)->exp_rpc_count); \
CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
- (exp), atomic_read(&(exp)->exp_rpc_count)); \
+ (exp), cfs_atomic_read(&(exp)->exp_rpc_count)); \
+ class_export_put(exp); \
+})
+
+#define class_export_lock_get(exp, lock) \
+({ \
+ cfs_atomic_inc(&(exp)->exp_locks_count); \
+ __class_export_add_lock_ref(exp, lock); \
+ CDEBUG(D_INFO, "lock GETting export %p : new locks_count %d\n", \
+ (exp), cfs_atomic_read(&(exp)->exp_locks_count)); \
+ class_export_get(exp); \
+})
+
+#define class_export_lock_put(exp, lock) \
+({ \
+ LASSERT_ATOMIC_POS(&exp->exp_locks_count); \
+ cfs_atomic_dec(&(exp)->exp_locks_count); \
+ __class_export_del_lock_ref(exp, lock); \
+ CDEBUG(D_INFO, "lock PUTting export %p : new locks_count %d\n", \
+ (exp), cfs_atomic_read(&(exp)->exp_locks_count)); \
+ class_export_put(exp); \
+})
+
+#define class_export_cb_get(exp) \
+({ \
+ cfs_atomic_inc(&(exp)->exp_cb_count); \
+ CDEBUG(D_INFO, "callback GETting export %p : new cb_count %d\n",\
+ (exp), cfs_atomic_read(&(exp)->exp_cb_count)); \
+ class_export_get(exp); \
+})
+
+#define class_export_cb_put(exp) \
+({ \
+ LASSERT_ATOMIC_POS(&exp->exp_cb_count); \
+ cfs_atomic_dec(&(exp)->exp_cb_count); \
+ CDEBUG(D_INFO, "callback PUTting export %p : new cb_count %d\n",\
+ (exp), cfs_atomic_read(&(exp)->exp_cb_count)); \
class_export_put(exp); \
})
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);
int class_manual_cleanup(struct obd_device *obd);
void class_disconnect_stale_exports(struct obd_device *,
- int (*test_export)(struct obd_export *),
- enum obd_option flags);
-
+ 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) |
0);
}
+static inline struct lu_target *class_exp2tgt(struct obd_export *exp)
+{
+ LASSERT(exp->exp_obd);
+ return exp->exp_obd->u.obt.obt_lut;
+}
+
+static inline struct lr_server_data *class_server_data(struct obd_device *obd)
+{
+ LASSERT(obd->u.obt.obt_lut);
+ return &obd->u.obt.obt_lut->lut_lsd;
+}
+
void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
#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 */
+ 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 OBD_CHECK_MD_OP(obd, op, err) \
do { \
if (!OBT(obd) || !MDP((obd), op)) { \
RETURN(rc);
}
+static inline void obd_cleanup_client_import(struct obd_device *obd)
+{
+ ENTRY;
+
+ /* If we set up but never connected, the
+ client import will not have been cleaned. */
+ cfs_down_write(&obd->u.cli.cl_sem);
+ if (obd->u.cli.cl_import) {
+ struct obd_import *imp;
+ imp = obd->u.cli.cl_import;
+ 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;
+ }
+ class_destroy_import(imp);
+ obd->u.cli.cl_import = NULL;
+ }
+ cfs_up_write(&obd->u.cli.cl_sem);
+
+ EXIT;
+}
+
static inline int
obd_process_config(struct obd_device *obd, int datalen, void *data)
{
return rc;
}
-static inline int obd_checkmd(struct obd_export *exp,
- struct obd_export *md_exp,
- struct lov_stripe_md *mem_tgt)
+static inline int obd_precreate(struct obd_export *exp)
{
int rc;
ENTRY;
- EXP_CHECK_DT_OP(exp, checkmd);
- EXP_COUNTER_INCREMENT(exp, checkmd);
+ EXP_CHECK_DT_OP(exp, precreate);
+ OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
- rc = OBP(exp->exp_obd, checkmd)(exp, md_exp, mem_tgt);
+ rc = OBP(exp->exp_obd, precreate)(exp);
RETURN(rc);
}
-static inline int obd_precreate(struct obd_export *exp)
+static inline int obd_create_async(struct obd_export *exp,
+ struct obd_info *oinfo,
+ struct lov_stripe_md **ea,
+ struct obd_trans_info *oti)
{
int rc;
ENTRY;
- EXP_CHECK_DT_OP(exp, precreate);
- OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
+ EXP_CHECK_DT_OP(exp, create_async);
+ EXP_COUNTER_INCREMENT(exp, create_async);
- rc = OBP(exp->exp_obd, precreate)(exp);
+ rc = OBP(exp->exp_obd, create_async)(exp, oinfo, ea, oti);
RETURN(rc);
}
RETURN(uuid);
}
+/** Create a new /a exp on device /a obd for the uuid /a cluuid
+ * @param exp New export handle
+ * @param d Connect data, supported flags are set, flags also understood
+ * by obd are returned.
+ */
static inline int obd_connect(const struct lu_env *env,
struct obd_export **exp,struct obd_device *obd,
struct obd_uuid *cluuid,
- struct obd_connect_data *d,
+ struct obd_connect_data *data,
void *localdata)
{
int rc;
- __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
+ __u64 ocf = data ? data->ocd_connect_flags : 0; /* for post-condition
* check */
ENTRY;
OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
OBD_COUNTER_INCREMENT(obd, connect);
- rc = OBP(obd, connect)(env, exp, obd, cluuid, d, localdata);
+ rc = OBP(obd, connect)(env, exp, obd, cluuid, data, localdata);
/* check that only subset is granted */
- LASSERT(ergo(d != NULL,
- (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
+ LASSERT(ergo(data != NULL, (data->ocd_connect_flags & ocf) ==
+ data->ocd_connect_flags));
RETURN(rc);
}
return 0;
}
-#ifndef time_before
-#define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
-#endif
-
/* @max_age is the oldest time in jiffies 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. */
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);
+ cfs_spin_lock(&obd->obd_osfs_lock);
memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
- spin_unlock(&obd->obd_osfs_lock);
+ cfs_spin_unlock(&obd->obd_osfs_lock);
oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
if (oinfo->oi_cb_up)
oinfo->oi_cb_up(oinfo, 0);
if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
if (rc == 0) {
- spin_lock(&obd->obd_osfs_lock);
+ cfs_spin_lock(&obd->obd_osfs_lock);
memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
obd->obd_osfs_age = cfs_time_current_64();
- spin_unlock(&obd->obd_osfs_lock);
+ cfs_spin_unlock(&obd->obd_osfs_lock);
}
} else {
CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
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);
+ cfs_spin_lock(&obd->obd_osfs_lock);
memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
- spin_unlock(&obd->obd_osfs_lock);
+ cfs_spin_unlock(&obd->obd_osfs_lock);
}
RETURN(rc);
}
-static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md *ea, obd_size start,
- obd_size end, void *capa)
+static inline int obd_sync_rqset(struct obd_export *exp, struct obd_info *oinfo,
+ obd_size start, obd_size end)
+{
+ struct ptlrpc_request_set *set = NULL;
+ int rc;
+ ENTRY;
+
+ OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
+ EXP_COUNTER_INCREMENT(exp, sync);
+
+ set = ptlrpc_prep_set();
+ if (set == NULL)
+ RETURN(-ENOMEM);
+
+ rc = OBP(exp->exp_obd, sync)(exp, oinfo, start, end, set);
+ if (rc == 0)
+ rc = ptlrpc_set_wait(set);
+ ptlrpc_set_destroy(set);
+ RETURN(rc);
+}
+
+static inline int obd_sync(struct obd_export *exp, struct obd_info *oinfo,
+ obd_size start, obd_size end,
+ struct ptlrpc_request_set *set)
{
int rc;
ENTRY;
OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
EXP_COUNTER_INCREMENT(exp, sync);
- rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
+ rc = OBP(exp->exp_obd, sync)(exp, oinfo, start, end, set);
RETURN(rc);
}
RETURN(rc);
}
+static inline int obd_find_cbdata(struct obd_export *exp,
+ struct lov_stripe_md *lsm,
+ ldlm_iterator_t it, void *data)
+{
+ int rc;
+ ENTRY;
+
+ EXP_CHECK_DT_OP(exp, find_cbdata);
+ EXP_COUNTER_INCREMENT(exp, find_cbdata);
+
+ rc = OBP(exp->exp_obd, find_cbdata)(exp, lsm, it, data);
+ RETURN(rc);
+}
+
static inline int obd_cancel(struct obd_export *exp,
struct lov_stripe_md *ea, __u32 mode,
struct lustre_handle *lockh)
static inline int obd_cancel_unused(struct obd_export *exp,
struct lov_stripe_md *ea,
- int flags, void *opaque)
+ ldlm_cancel_flags_t flags,
+ void *opaque)
{
int rc;
ENTRY;
static inline int obd_quota_adjust_qunit(struct obd_export *exp,
struct quota_adjust_qunit *oqaq,
- struct lustre_quota_ctxt *qctxt)
+ struct lustre_quota_ctxt *qctxt,
+ struct ptlrpc_request_set *set)
{
#if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
struct timeval work_start;
#if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
if (qctxt)
- do_gettimeofday(&work_start);
+ cfs_gettimeofday(&work_start);
#endif
EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
- rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
+ rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt, set);
#if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
if (qctxt) {
- do_gettimeofday(&work_end);
+ cfs_gettimeofday(&work_end);
timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
timediff);
{
ENTRY;
OBD_CHECK_DEV(obd);
- if (obd->obd_observer && observer)
+ cfs_down_write(&obd->obd_observer_link_sem);
+ if (obd->obd_observer && observer) {
+ cfs_up_write(&obd->obd_observer_link_sem);
RETURN(-EALREADY);
+ }
obd->obd_observer = observer;
+ cfs_up_write(&obd->obd_observer_link_sem);
+ RETURN(0);
+}
+
+static inline int obd_pin_observer(struct obd_device *obd,
+ struct obd_device **observer)
+{
+ ENTRY;
+ cfs_down_read(&obd->obd_observer_link_sem);
+ if (!obd->obd_observer) {
+ *observer = NULL;
+ cfs_up_read(&obd->obd_observer_link_sem);
+ RETURN(-ENOENT);
+ }
+ *observer = obd->obd_observer;
+ RETURN(0);
+}
+
+static inline int obd_unpin_observer(struct obd_device *obd)
+{
+ ENTRY;
+ cfs_up_read(&obd->obd_observer_link_sem);
RETURN(0);
}
RETURN(rc);
}
-static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
- struct obd_capa *oc, obd_valid valid, int ea_size,
+static inline int md_getattr(struct obd_export *exp, struct md_op_data *op_data,
struct ptlrpc_request **request)
{
int rc;
ENTRY;
EXP_CHECK_MD_OP(exp, getattr);
EXP_MD_COUNTER_INCREMENT(exp, getattr);
- rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
- ea_size, request);
+ rc = MDP(exp->exp_obd, getattr)(exp, op_data, request);
RETURN(rc);
}
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_getattr_name(struct obd_export *exp,
- const struct lu_fid *fid, struct obd_capa *oc,
- const char *name, int namelen,
- obd_valid valid, int ea_size, __u32 suppgid,
+ struct md_op_data *op_data,
struct ptlrpc_request **request)
{
int rc;
ENTRY;
EXP_CHECK_MD_OP(exp, getattr_name);
EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
- rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
- valid, ea_size, suppgid, request);
+ rc = MDP(exp->exp_obd, getattr_name)(exp, op_data, request);
RETURN(rc);
}
static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
struct obd_capa *oc, __u64 offset,
- struct page *page,
+ struct page **pages, unsigned npages,
struct ptlrpc_request **request)
{
int rc;
ENTRY;
EXP_CHECK_MD_OP(exp, readpage);
EXP_MD_COUNTER_INCREMENT(exp, readpage);
- rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
+ rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, pages, npages,
+ request);
RETURN(rc);
}
}
static inline int md_set_lock_data(struct obd_export *exp,
- __u64 *lockh, void *data)
+ __u64 *lockh, void *data, __u32 *bits)
{
ENTRY;
EXP_CHECK_MD_OP(exp, set_lock_data);
EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
- RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, 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, int flags, void *opaque)
+ ldlm_mode_t mode,
+ ldlm_cancel_flags_t flags,
+ void *opaque)
{
int rc;
ENTRY;
#define OBDO_ALLOC(ptr) \
do { \
- OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
+ OBD_SLAB_ALLOC_PTR_GFP((ptr), obdo_cachep, CFS_ALLOC_IO); \
} while(0)
#define OBDO_FREE(ptr) \
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_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);
int raw_name2idx(int hashtype, int count, const char *name, int namelen);
/* prng.c */
-void ll_generate_random_uuid(class_uuid_t uuid_out);
+#define ll_generate_random_uuid(uuid_out) cfs_get_random_bytes(uuid_out, sizeof(class_uuid_t))
#endif /* __LINUX_OBD_CLASS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff