*
* 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
*/
ldlm_lock_remove_from_lru(lock);
class_handle_unhash(&lock->l_handle);
-#if 0
- /* Wake anyone waiting for this lock */
- /* FIXME: I should probably add yet another flag, instead of using
- * l_export to only call this on clients */
- if (lock->l_export)
- class_export_put(lock->l_export);
- lock->l_export = NULL;
- if (lock->l_export && lock->l_completion_ast)
- lock->l_completion_ast(lock, 0);
-#endif
EXIT;
return 1;
}
if (lock == NULL)
RETURN(NULL);
+ if (lock->l_export != NULL && lock->l_export->exp_failed) {
+ CDEBUG(D_INFO, "lock export failed: lock %p, exp %p\n",
+ lock, lock->l_export);
+ LDLM_LOCK_PUT(lock);
+ RETURN(NULL);
+ }
+
/* It's unlikely but possible that someone marked the lock as
* destroyed after we did handle2object on it */
if ((flags == 0) && !ldlm_is_destroyed(lock)) {
* r/w reference type is determined by \a mode
* Calls ldlm_lock_addref_internal.
*/
-void ldlm_lock_addref(struct lustre_handle *lockh, enum ldlm_mode mode)
+void ldlm_lock_addref(const struct lustre_handle *lockh, enum ldlm_mode mode)
{
struct ldlm_lock *lock;
lock = ldlm_handle2lock(lockh);
- LASSERTF(lock != NULL, "Non-existing lock: "LPX64"\n", lockh->cookie);
+ LASSERTF(lock != NULL, "Non-existing lock: %#llx\n", lockh->cookie);
ldlm_lock_addref_internal(lock, mode);
LDLM_LOCK_PUT(lock);
}
*
* \retval -EAGAIN lock is being canceled.
*/
-int ldlm_lock_addref_try(struct lustre_handle *lockh, enum ldlm_mode mode)
+int ldlm_lock_addref_try(const struct lustre_handle *lockh, enum ldlm_mode mode)
{
struct ldlm_lock *lock;
int result;
/**
* Decrease reader/writer refcount for LDLM lock with handle \a lockh
*/
-void ldlm_lock_decref(struct lustre_handle *lockh, enum ldlm_mode mode)
+void ldlm_lock_decref(const struct lustre_handle *lockh, enum ldlm_mode mode)
{
struct ldlm_lock *lock = __ldlm_handle2lock(lockh, 0);
- LASSERTF(lock != NULL, "Non-existing lock: "LPX64"\n", lockh->cookie);
+ LASSERTF(lock != NULL, "Non-existing lock: %#llx\n", lockh->cookie);
ldlm_lock_decref_internal(lock, mode);
LDLM_LOCK_PUT(lock);
}
* drops to zero instead of putting into LRU.
*
*/
-void ldlm_lock_decref_and_cancel(struct lustre_handle *lockh,
+void ldlm_lock_decref_and_cancel(const struct lustre_handle *lockh,
enum ldlm_mode mode)
{
struct ldlm_lock *lock = __ldlm_handle2lock(lockh, 0);
if (work_list && lock->l_completion_ast != NULL)
ldlm_add_ast_work_item(lock, NULL, work_list);
- /* We should not add locks to granted list in the following cases:
- * - this is an UNLOCK but not a real lock;
- * - this is a TEST lock;
- * - this is a F_CANCELLK lock (async flock has req_mode == 0)
- * - this is a deadlock (flock cannot be granted) */
- if (lock->l_req_mode == 0 ||
- lock->l_req_mode == LCK_NL ||
- ldlm_is_test_lock(lock) ||
- ldlm_is_flock_deadlock(lock))
- RETURN_EXIT;
-
if (res->lr_type == LDLM_PLAIN || res->lr_type == LDLM_IBITS)
ldlm_grant_lock_with_skiplist(lock);
else if (res->lr_type == LDLM_EXTENT)
ldlm_extent_add_lock(res, lock);
- else
- ldlm_resource_add_lock(res, &res->lr_granted, lock);
+ else if (res->lr_type == LDLM_FLOCK) {
+ /* We should not add locks to granted list in the following
+ * cases:
+ * - this is an UNLOCK but not a real lock;
+ * - this is a TEST lock;
+ * - this is a F_CANCELLK lock (async flock has req_mode == 0)
+ * - this is a deadlock (flock cannot be granted) */
+ if (lock->l_req_mode == 0 ||
+ lock->l_req_mode == LCK_NL ||
+ ldlm_is_test_lock(lock) ||
+ ldlm_is_flock_deadlock(lock))
+ RETURN_EXIT;
+ ldlm_resource_add_lock(res, &res->lr_granted, lock);
+ } else {
+ LBUG();
+ }
ldlm_pool_add(&ldlm_res_to_ns(res)->ns_pool, lock);
EXIT;
}
out2:
if (rc) {
- LDLM_DEBUG(lock, "matched ("LPU64" "LPU64")",
+ LDLM_DEBUG(lock, "matched (%llu %llu)",
(type == LDLM_PLAIN || type == LDLM_IBITS) ?
res_id->name[2] : policy->l_extent.start,
(type == LDLM_PLAIN || type == LDLM_IBITS) ?
} else if (!(flags & LDLM_FL_TEST_LOCK)) {/*less verbose for test-only*/
LDLM_DEBUG_NOLOCK("not matched ns %p type %u mode %u res "
- LPU64"/"LPU64" ("LPU64" "LPU64")", ns,
+ "%llu/%llu (%llu %llu)", ns,
type, mode, res_id->name[0], res_id->name[1],
(type == LDLM_PLAIN || type == LDLM_IBITS) ?
res_id->name[2] :policy->l_extent.start,
}
EXPORT_SYMBOL(ldlm_lock_match);
-enum ldlm_mode ldlm_revalidate_lock_handle(struct lustre_handle *lockh,
+enum ldlm_mode ldlm_revalidate_lock_handle(const struct lustre_handle *lockh,
__u64 *bits)
{
struct ldlm_lock *lock;
{
struct list_head rpc_list;
#ifdef HAVE_SERVER_SUPPORT
+ struct obd_device *obd;
int rc;
ENTRY;
return;
}
+ /* Disable reprocess during lock replay stage but allow during
+ * request replay stage.
+ */
+ obd = ldlm_res_to_ns(res)->ns_obd;
+ if (obd->obd_recovering &&
+ atomic_read(&obd->obd_req_replay_clients) == 0)
+ RETURN_EXIT;
restart:
lock_res(res);
rc = ldlm_reprocess_queue(res, &res->lr_converting, &rpc_list);
/* Releases cancel callback. */
ldlm_cancel_callback(lock);
- LASSERT(!ldlm_is_waited(lock));
+ /* Yes, second time, just in case it was added again while we were
+ * running with no res lock in ldlm_cancel_callback */
+ if (ldlm_is_waited(lock))
+ ldlm_del_waiting_lock(lock);
ldlm_resource_unlink_lock(lock);
ldlm_lock_destroy_nolock(lock);
/**
* Set opaque data into the lock that only makes sense to upper layer.
*/
-int ldlm_lock_set_data(struct lustre_handle *lockh, void *data)
+int ldlm_lock_set_data(const struct lustre_handle *lockh, void *data)
{
struct ldlm_lock *lock = ldlm_handle2lock(lockh);
int rc = -EINVAL;
*
* Used when printing all locks on a resource for debug purposes.
*/
-void ldlm_lock_dump_handle(int level, struct lustre_handle *lockh)
+void ldlm_lock_dump_handle(int level, const struct lustre_handle *lockh)
{
struct ldlm_lock *lock;
if (resource == NULL) {
libcfs_debug_vmsg2(msgdata, fmt, args,
- " ns: \?\? lock: %p/"LPX64" lrc: %d/%d,%d mode: %s/%s "
- "res: \?\? rrc=\?\? type: \?\?\? flags: "LPX64" nid: %s "
- "remote: "LPX64" expref: %d pid: %u timeout: %lu "
+ " ns: \?\? lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s "
+ "res: \?\? rrc=\?\? type: \?\?\? flags: %#llx nid: %s "
+ "remote: %#llx expref: %d pid: %u timeout: %lu "
"lvb_type: %d\n",
lock,
lock->l_handle.h_cookie, atomic_read(&lock->l_refc),
switch (resource->lr_type) {
case LDLM_EXTENT:
libcfs_debug_vmsg2(msgdata, fmt, args,
- " ns: %s lock: %p/"LPX64" lrc: %d/%d,%d mode: %s/%s "
- "res: "DLDLMRES" rrc: %d type: %s ["LPU64"->"LPU64"] "
- "(req "LPU64"->"LPU64") flags: "LPX64" nid: %s remote: "
- LPX64" expref: %d pid: %u timeout: %lu lvb_type: %d\n",
+ " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s "
+ "res: "DLDLMRES" rrc: %d type: %s [%llu->%llu] "
+ "(req %llu->%llu) flags: %#llx nid: %s remote: "
+ "%#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n",
ldlm_lock_to_ns_name(lock), lock,
lock->l_handle.h_cookie, atomic_read(&lock->l_refc),
lock->l_readers, lock->l_writers,
case LDLM_FLOCK:
libcfs_debug_vmsg2(msgdata, fmt, args,
- " ns: %s lock: %p/"LPX64" lrc: %d/%d,%d mode: %s/%s "
+ " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s "
"res: "DLDLMRES" rrc: %d type: %s pid: %d "
- "["LPU64"->"LPU64"] flags: "LPX64" nid: %s "
- "remote: "LPX64" expref: %d pid: %u timeout: %lu\n",
+ "[%llu->%llu] flags: %#llx nid: %s "
+ "remote: %#llx expref: %d pid: %u timeout: %lu\n",
ldlm_lock_to_ns_name(lock), lock,
lock->l_handle.h_cookie, atomic_read(&lock->l_refc),
lock->l_readers, lock->l_writers,
case LDLM_IBITS:
libcfs_debug_vmsg2(msgdata, fmt, args,
- " ns: %s lock: %p/"LPX64" lrc: %d/%d,%d mode: %s/%s "
- "res: "DLDLMRES" bits "LPX64" rrc: %d type: %s "
- "flags: "LPX64" nid: %s remote: "LPX64" expref: %d "
+ " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s "
+ "res: "DLDLMRES" bits %#llx rrc: %d type: %s "
+ "flags: %#llx nid: %s remote: %#llx expref: %d "
"pid: %u timeout: %lu lvb_type: %d\n",
ldlm_lock_to_ns_name(lock),
lock, lock->l_handle.h_cookie,
default:
libcfs_debug_vmsg2(msgdata, fmt, args,
- " ns: %s lock: %p/"LPX64" lrc: %d/%d,%d mode: %s/%s "
- "res: "DLDLMRES" rrc: %d type: %s flags: "LPX64" "
- "nid: %s remote: "LPX64" expref: %d pid: %u "
+ " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s "
+ "res: "DLDLMRES" rrc: %d type: %s flags: %#llx "
+ "nid: %s remote: %#llx expref: %d pid: %u "
"timeout: %lu lvb_type: %d\n",
ldlm_lock_to_ns_name(lock),
lock, lock->l_handle.h_cookie,
git://git.whamcloud.com / fs / lustre-release.git / blobdiff