CFS_MODULE_PARM(ldlm_cpts, "s", charp, 0444,
"CPU partitions ldlm threads should run on");
-extern cfs_mem_cache_t *ldlm_resource_slab;
-extern cfs_mem_cache_t *ldlm_lock_slab;
+extern struct kmem_cache *ldlm_resource_slab;
+extern struct kmem_cache *ldlm_lock_slab;
static struct mutex ldlm_ref_mutex;
static int ldlm_refcount;
int do_dump;
ENTRY;
- cfs_daemonize("ldlm_elt");
expired_lock_thread.elt_state = ELT_READY;
cfs_waitq_signal(&expired_lock_thread.elt_waitq);
lock = cfs_list_entry(expired->next, struct ldlm_lock,
l_pending_chain);
- if ((void *)lock < LP_POISON + CFS_PAGE_SIZE &&
- (void *)lock >= LP_POISON) {
+ if ((void *)lock < LP_POISON + PAGE_CACHE_SIZE &&
+ (void *)lock >= LP_POISON) {
spin_unlock_bh(&waiting_locks_spinlock);
- CERROR("free lock on elt list %p\n", lock);
- LBUG();
- }
- cfs_list_del_init(&lock->l_pending_chain);
- if ((void *)lock->l_export < LP_POISON + CFS_PAGE_SIZE &&
+ CERROR("free lock on elt list %p\n", lock);
+ LBUG();
+ }
+ cfs_list_del_init(&lock->l_pending_chain);
+ if ((void *)lock->l_export <
+ LP_POISON + PAGE_CACHE_SIZE &&
(void *)lock->l_export >= LP_POISON) {
CERROR("lock with free export on elt list %p\n",
lock->l_export);
continue;
}
- if (lock->l_destroyed) {
+ if (lock->l_flags & LDLM_FL_DESTROYED) {
/* release the lock refcount where
* waiting_locks_callback() founds */
LDLM_LOCK_RELEASE(lock);
libcfs_nid2str(lock->l_export->exp_connection->c_peer.nid));
cfs_list_del_init(&lock->l_pending_chain);
- if (lock->l_destroyed) {
+ if (lock->l_flags & LDLM_FL_DESTROYED) {
/* relay the lock refcount decrease to
* expired lock thread */
cfs_list_add(&lock->l_pending_chain,
libcfs_nid2str(lock->l_export->exp_connection->c_peer.nid));
cfs_list_del_init(&lock->l_pending_chain);
- if (lock->l_destroyed) {
+ if (lock->l_flags & LDLM_FL_DESTROYED) {
/* relay the lock refcount decrease to
* expired lock thread */
cfs_list_add(&lock->l_pending_chain,
int timeout = ldlm_get_enq_timeout(lock);
/* NB: must be called with hold of lock_res_and_lock() */
- LASSERT(lock->l_res_locked);
- lock->l_waited = 1;
+ LASSERT(lock->l_flags & LDLM_FL_RES_LOCKED);
+ lock->l_flags |= LDLM_FL_WAITED;
LASSERT(!(lock->l_flags & LDLM_FL_CANCEL_ON_BLOCK));
spin_lock_bh(&waiting_locks_spinlock);
- if (lock->l_destroyed) {
+ if (lock->l_flags & LDLM_FL_DESTROYED) {
static cfs_time_t next;
spin_unlock_bh(&waiting_locks_spinlock);
LDLM_ERROR(lock, "not waiting on destroyed lock (bug 5653)");
# ifdef HAVE_SERVER_SUPPORT
static int ldlm_add_waiting_lock(struct ldlm_lock *lock)
{
- LASSERT(lock->l_res_locked);
- LASSERT(!(lock->l_flags & LDLM_FL_CANCEL_ON_BLOCK));
+ LASSERT((lock->l_flags & (LDLM_FL_RES_LOCKED|LDLM_FL_CANCEL_ON_BLOCK))
+ == LDLM_FL_RES_LOCKED);
RETURN(1);
}
RETURN(0);
}
- if (lock->l_destroyed) {
+ if (lock->l_flags & LDLM_FL_DESTROYED) {
/* What's the point? */
unlock_res_and_lock(lock);
ptlrpc_req_finished(req);
struct ldlm_lock *lock)
{
int lvb_len;
- CFS_LIST_HEAD(ast_list);
+ CFS_LIST_HEAD(ast_list);
int rc = 0;
- ENTRY;
+ ENTRY;
- LDLM_DEBUG(lock, "client completion callback handler START");
+ LDLM_DEBUG(lock, "client completion callback handler START");
- if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CANCEL_BL_CB_RACE)) {
- int to = cfs_time_seconds(1);
- while (to > 0) {
- cfs_schedule_timeout_and_set_state(
- CFS_TASK_INTERRUPTIBLE, to);
- if (lock->l_granted_mode == lock->l_req_mode ||
- lock->l_destroyed)
- break;
- }
- }
+ if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CANCEL_BL_CB_RACE)) {
+ int to = cfs_time_seconds(1);
+ while (to > 0) {
+ cfs_schedule_timeout_and_set_state(
+ CFS_TASK_INTERRUPTIBLE, to);
+ if (lock->l_granted_mode == lock->l_req_mode ||
+ lock->l_flags & LDLM_FL_DESTROYED)
+ break;
+ }
+ }
lvb_len = req_capsule_get_size(&req->rq_pill, &RMF_DLM_LVB, RCL_CLIENT);
if (lvb_len < 0) {
}
}
- lock_res_and_lock(lock);
- if (lock->l_destroyed ||
- lock->l_granted_mode == lock->l_req_mode) {
- /* bug 11300: the lock has already been granted */
- unlock_res_and_lock(lock);
- LDLM_DEBUG(lock, "Double grant race happened");
+ lock_res_and_lock(lock);
+ if ((lock->l_flags & LDLM_FL_DESTROYED) ||
+ lock->l_granted_mode == lock->l_req_mode) {
+ /* bug 11300: the lock has already been granted */
+ unlock_res_and_lock(lock);
+ LDLM_DEBUG(lock, "Double grant race happened");
GOTO(out, rc = 0);
- }
+ }
- /* If we receive the completion AST before the actual enqueue returned,
- * then we might need to switch lock modes, resources, or extents. */
- if (dlm_req->lock_desc.l_granted_mode != lock->l_req_mode) {
- lock->l_req_mode = dlm_req->lock_desc.l_granted_mode;
- LDLM_DEBUG(lock, "completion AST, new lock mode");
- }
+ /* If we receive the completion AST before the actual enqueue returned,
+ * then we might need to switch lock modes, resources, or extents. */
+ if (dlm_req->lock_desc.l_granted_mode != lock->l_req_mode) {
+ lock->l_req_mode = dlm_req->lock_desc.l_granted_mode;
+ LDLM_DEBUG(lock, "completion AST, new lock mode");
+ }
- if (lock->l_resource->lr_type != LDLM_PLAIN) {
- ldlm_convert_policy_to_local(req->rq_export,
- dlm_req->lock_desc.l_resource.lr_type,
- &dlm_req->lock_desc.l_policy_data,
- &lock->l_policy_data);
- LDLM_DEBUG(lock, "completion AST, new policy data");
- }
+ if (lock->l_resource->lr_type != LDLM_PLAIN) {
+ ldlm_convert_policy_to_local(req->rq_export,
+ dlm_req->lock_desc.l_resource.lr_type,
+ &dlm_req->lock_desc.l_policy_data,
+ &lock->l_policy_data);
+ LDLM_DEBUG(lock, "completion AST, new policy data");
+ }
ldlm_resource_unlink_lock(lock);
if (memcmp(&dlm_req->lock_desc.l_resource.lr_name,
init_completion(&blwi->blwi_comp);
CFS_INIT_LIST_HEAD(&blwi->blwi_head);
- if (cfs_memory_pressure_get())
+ if (memory_pressure_get())
blwi->blwi_mem_pressure = 1;
blwi->blwi_ns = ns;
rc = ldlm_handle_setinfo(req);
ldlm_callback_reply(req, rc);
RETURN(0);
- case OBD_LOG_CANCEL: /* remove this eventually - for 1.4.0 compat */
- CERROR("shouldn't be handling OBD_LOG_CANCEL on DLM thread\n");
- req_capsule_set(&req->rq_pill, &RQF_LOG_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_NET))
- RETURN(0);
- rc = llog_origin_handle_cancel(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_REP))
- RETURN(0);
- ldlm_callback_reply(req, rc);
- RETURN(0);
case LLOG_ORIGIN_HANDLE_CREATE:
req_capsule_set(&req->rq_pill, &RQF_LLOG_ORIGIN_HANDLE_CREATE);
if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOGD_NET))
if (rc)
break;
RETURN(0);
- case OBD_LOG_CANCEL:
- req_capsule_set(&req->rq_pill, &RQF_LOG_CANCEL);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_NET))
- RETURN(0);
- rc = llog_origin_handle_cancel(req);
- if (OBD_FAIL_CHECK(OBD_FAIL_OBD_LOG_CANCEL_REP))
- RETURN(0);
- ldlm_callback_reply(req, rc);
- RETURN(0);
default:
CERROR("invalid opcode %d\n",
lustre_msg_get_opc(req->rq_reqmsg));
static int ldlm_bl_thread_start(struct ldlm_bl_pool *blp)
{
struct ldlm_bl_thread_data bltd = { .bltd_blp = blp };
- int rc;
+ cfs_task_t *task;
init_completion(&bltd.bltd_comp);
- rc = cfs_create_thread(ldlm_bl_thread_main, &bltd, 0);
- if (rc < 0) {
- CERROR("cannot start LDLM thread ldlm_bl_%02d: rc %d\n",
- cfs_atomic_read(&blp->blp_num_threads), rc);
- return rc;
+ bltd.bltd_num = cfs_atomic_read(&blp->blp_num_threads);
+ snprintf(bltd.bltd_name, sizeof(bltd.bltd_name) - 1,
+ "ldlm_bl_%02d", bltd.bltd_num);
+ task = kthread_run(ldlm_bl_thread_main, &bltd, bltd.bltd_name);
+ if (IS_ERR(task)) {
+ CERROR("cannot start LDLM thread ldlm_bl_%02d: rc %ld\n",
+ cfs_atomic_read(&blp->blp_num_threads), PTR_ERR(task));
+ return PTR_ERR(task);
}
wait_for_completion(&bltd.bltd_comp);
blp = bltd->bltd_blp;
- bltd->bltd_num =
- cfs_atomic_inc_return(&blp->blp_num_threads) - 1;
+ cfs_atomic_inc(&blp->blp_num_threads);
cfs_atomic_inc(&blp->blp_busy_threads);
- snprintf(bltd->bltd_name, sizeof(bltd->bltd_name) - 1,
- "ldlm_bl_%02d", bltd->bltd_num);
- cfs_daemonize(bltd->bltd_name);
-
complete(&bltd->bltd_comp);
/* cannot use bltd after this, it is only on caller's stack */
}
ldlm_bl_thread_start(blp);
if (blwi->blwi_mem_pressure)
- cfs_memory_pressure_set();
+ memory_pressure_set();
if (blwi->blwi_count) {
int count;
blwi->blwi_lock);
}
if (blwi->blwi_mem_pressure)
- cfs_memory_pressure_clr();
+ memory_pressure_clr();
if (blwi->blwi_flags & LCF_ASYNC)
OBD_FREE(blwi, sizeof(*blwi));
int ldlm_init_export(struct obd_export *exp)
{
+ int rc;
ENTRY;
exp->exp_lock_hash =
if (!exp->exp_lock_hash)
RETURN(-ENOMEM);
+ rc = ldlm_init_flock_export(exp);
+ if (rc)
+ GOTO(err, rc);
+
RETURN(0);
+err:
+ ldlm_destroy_export(exp);
+ RETURN(rc);
}
EXPORT_SYMBOL(ldlm_init_export);
}
# ifdef HAVE_SERVER_SUPPORT
- CFS_INIT_LIST_HEAD(&expired_lock_thread.elt_expired_locks);
- expired_lock_thread.elt_state = ELT_STOPPED;
- cfs_waitq_init(&expired_lock_thread.elt_waitq);
+ CFS_INIT_LIST_HEAD(&expired_lock_thread.elt_expired_locks);
+ expired_lock_thread.elt_state = ELT_STOPPED;
+ cfs_waitq_init(&expired_lock_thread.elt_waitq);
- CFS_INIT_LIST_HEAD(&waiting_locks_list);
+ CFS_INIT_LIST_HEAD(&waiting_locks_list);
spin_lock_init(&waiting_locks_spinlock);
- cfs_timer_init(&waiting_locks_timer, waiting_locks_callback, 0);
+ cfs_timer_init(&waiting_locks_timer, waiting_locks_callback, 0);
- rc = cfs_create_thread(expired_lock_main, NULL, CFS_DAEMON_FLAGS);
- if (rc < 0) {
+ rc = PTR_ERR(kthread_run(expired_lock_main, NULL, "ldlm_elt"));
+ if (IS_ERR_VALUE(rc)) {
CERROR("Cannot start ldlm expired-lock thread: %d\n", rc);
GOTO(out, rc);
}
- cfs_wait_event(expired_lock_thread.elt_waitq,
- expired_lock_thread.elt_state == ELT_READY);
+ cfs_wait_event(expired_lock_thread.elt_waitq,
+ expired_lock_thread.elt_state == ELT_READY);
# endif /* HAVE_SERVER_SUPPORT */
rc = ldlm_pools_init();
mutex_init(&ldlm_ref_mutex);
mutex_init(ldlm_namespace_lock(LDLM_NAMESPACE_SERVER));
mutex_init(ldlm_namespace_lock(LDLM_NAMESPACE_CLIENT));
- ldlm_resource_slab = cfs_mem_cache_create("ldlm_resources",
- sizeof(struct ldlm_resource), 0,
- CFS_SLAB_HWCACHE_ALIGN);
- if (ldlm_resource_slab == NULL)
- return -ENOMEM;
+ ldlm_resource_slab = kmem_cache_create("ldlm_resources",
+ sizeof(struct ldlm_resource), 0,
+ SLAB_HWCACHE_ALIGN, NULL);
+ if (ldlm_resource_slab == NULL)
+ return -ENOMEM;
- ldlm_lock_slab = cfs_mem_cache_create("ldlm_locks",
+ ldlm_lock_slab = kmem_cache_create("ldlm_locks",
sizeof(struct ldlm_lock), 0,
- CFS_SLAB_HWCACHE_ALIGN | SLAB_DESTROY_BY_RCU);
+ SLAB_HWCACHE_ALIGN | SLAB_DESTROY_BY_RCU, NULL);
if (ldlm_lock_slab == NULL) {
- cfs_mem_cache_destroy(ldlm_resource_slab);
+ kmem_cache_destroy(ldlm_resource_slab);
return -ENOMEM;
}
- ldlm_interval_slab = cfs_mem_cache_create("interval_node",
+ ldlm_interval_slab = kmem_cache_create("interval_node",
sizeof(struct ldlm_interval),
- 0, CFS_SLAB_HWCACHE_ALIGN);
+ 0, SLAB_HWCACHE_ALIGN, NULL);
if (ldlm_interval_slab == NULL) {
- cfs_mem_cache_destroy(ldlm_resource_slab);
- cfs_mem_cache_destroy(ldlm_lock_slab);
+ kmem_cache_destroy(ldlm_resource_slab);
+ kmem_cache_destroy(ldlm_lock_slab);
return -ENOMEM;
}
#if LUSTRE_TRACKS_LOCK_EXP_REFS
void ldlm_exit(void)
{
- int rc;
- if (ldlm_refcount)
- CERROR("ldlm_refcount is %d in ldlm_exit!\n", ldlm_refcount);
- rc = cfs_mem_cache_destroy(ldlm_resource_slab);
- LASSERTF(rc == 0, "couldn't free ldlm resource slab\n");
+ if (ldlm_refcount)
+ CERROR("ldlm_refcount is %d in ldlm_exit!\n", ldlm_refcount);
+ kmem_cache_destroy(ldlm_resource_slab);
#ifdef __KERNEL__
- /* ldlm_lock_put() use RCU to call ldlm_lock_free, so need call
- * synchronize_rcu() to wait a grace period elapsed, so that
- * ldlm_lock_free() get a chance to be called. */
- synchronize_rcu();
+ /* ldlm_lock_put() use RCU to call ldlm_lock_free, so need call
+ * synchronize_rcu() to wait a grace period elapsed, so that
+ * ldlm_lock_free() get a chance to be called. */
+ synchronize_rcu();
#endif
- rc = cfs_mem_cache_destroy(ldlm_lock_slab);
- LASSERTF(rc == 0, "couldn't free ldlm lock slab\n");
- rc = cfs_mem_cache_destroy(ldlm_interval_slab);
- LASSERTF(rc == 0, "couldn't free interval node slab\n");
+ kmem_cache_destroy(ldlm_lock_slab);
+ kmem_cache_destroy(ldlm_interval_slab);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff