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-rw-r--r--fs/dlm/plock.c2
-rw-r--r--fs/lockd/svclock.c13
-rw-r--r--fs/locks.c28
3 files changed, 19 insertions, 24 deletions
diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index 78878c5781ca..eba87ff3177b 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -116,7 +116,7 @@ int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
116 if (xop->callback == NULL) 116 if (xop->callback == NULL)
117 wait_event(recv_wq, (op->done != 0)); 117 wait_event(recv_wq, (op->done != 0));
118 else { 118 else {
119 rv = -EINPROGRESS; 119 rv = FILE_LOCK_DEFERRED;
120 goto out; 120 goto out;
121 } 121 }
122 122
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 821b9acdfb66..cf0d5c2c318d 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -418,8 +418,8 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
418 goto out; 418 goto out;
419 case -EAGAIN: 419 case -EAGAIN:
420 ret = nlm_lck_denied; 420 ret = nlm_lck_denied;
421 break; 421 goto out;
422 case -EINPROGRESS: 422 case FILE_LOCK_DEFERRED:
423 if (wait) 423 if (wait)
424 break; 424 break;
425 /* Filesystem lock operation is in progress 425 /* Filesystem lock operation is in progress
@@ -434,10 +434,6 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
434 goto out; 434 goto out;
435 } 435 }
436 436
437 ret = nlm_lck_denied;
438 if (!wait)
439 goto out;
440
441 ret = nlm_lck_blocked; 437 ret = nlm_lck_blocked;
442 438
443 /* Append to list of blocked */ 439 /* Append to list of blocked */
@@ -507,7 +503,7 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
507 } 503 }
508 504
509 error = vfs_test_lock(file->f_file, &lock->fl); 505 error = vfs_test_lock(file->f_file, &lock->fl);
510 if (error == -EINPROGRESS) { 506 if (error == FILE_LOCK_DEFERRED) {
511 ret = nlmsvc_defer_lock_rqst(rqstp, block); 507 ret = nlmsvc_defer_lock_rqst(rqstp, block);
512 goto out; 508 goto out;
513 } 509 }
@@ -731,8 +727,7 @@ nlmsvc_grant_blocked(struct nlm_block *block)
731 switch (error) { 727 switch (error) {
732 case 0: 728 case 0:
733 break; 729 break;
734 case -EAGAIN: 730 case FILE_LOCK_DEFERRED:
735 case -EINPROGRESS:
736 dprintk("lockd: lock still blocked error %d\n", error); 731 dprintk("lockd: lock still blocked error %d\n", error);
737 nlmsvc_insert_block(block, NLM_NEVER); 732 nlmsvc_insert_block(block, NLM_NEVER);
738 nlmsvc_release_block(block); 733 nlmsvc_release_block(block);
diff --git a/fs/locks.c b/fs/locks.c
index dce8c747371c..1ce57b4b362c 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -779,8 +779,10 @@ find_conflict:
779 if (!flock_locks_conflict(request, fl)) 779 if (!flock_locks_conflict(request, fl))
780 continue; 780 continue;
781 error = -EAGAIN; 781 error = -EAGAIN;
782 if (request->fl_flags & FL_SLEEP) 782 if (!(request->fl_flags & FL_SLEEP))
783 locks_insert_block(fl, request); 783 goto out;
784 error = FILE_LOCK_DEFERRED;
785 locks_insert_block(fl, request);
784 goto out; 786 goto out;
785 } 787 }
786 if (request->fl_flags & FL_ACCESS) 788 if (request->fl_flags & FL_ACCESS)
@@ -836,7 +838,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str
836 error = -EDEADLK; 838 error = -EDEADLK;
837 if (posix_locks_deadlock(request, fl)) 839 if (posix_locks_deadlock(request, fl))
838 goto out; 840 goto out;
839 error = -EAGAIN; 841 error = FILE_LOCK_DEFERRED;
840 locks_insert_block(fl, request); 842 locks_insert_block(fl, request);
841 goto out; 843 goto out;
842 } 844 }
@@ -1035,7 +1037,7 @@ int posix_lock_file_wait(struct file *filp, struct file_lock *fl)
1035 might_sleep (); 1037 might_sleep ();
1036 for (;;) { 1038 for (;;) {
1037 error = posix_lock_file(filp, fl, NULL); 1039 error = posix_lock_file(filp, fl, NULL);
1038 if ((error != -EAGAIN) || !(fl->fl_flags & FL_SLEEP)) 1040 if (error != FILE_LOCK_DEFERRED)
1039 break; 1041 break;
1040 error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); 1042 error = wait_event_interruptible(fl->fl_wait, !fl->fl_next);
1041 if (!error) 1043 if (!error)
@@ -1107,9 +1109,7 @@ int locks_mandatory_area(int read_write, struct inode *inode,
1107 1109
1108 for (;;) { 1110 for (;;) {
1109 error = __posix_lock_file(inode, &fl, NULL); 1111 error = __posix_lock_file(inode, &fl, NULL);
1110 if (error != -EAGAIN) 1112 if (error != FILE_LOCK_DEFERRED)
1111 break;
1112 if (!(fl.fl_flags & FL_SLEEP))
1113 break; 1113 break;
1114 error = wait_event_interruptible(fl.fl_wait, !fl.fl_next); 1114 error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
1115 if (!error) { 1115 if (!error) {
@@ -1531,7 +1531,7 @@ int flock_lock_file_wait(struct file *filp, struct file_lock *fl)
1531 might_sleep(); 1531 might_sleep();
1532 for (;;) { 1532 for (;;) {
1533 error = flock_lock_file(filp, fl); 1533 error = flock_lock_file(filp, fl);
1534 if ((error != -EAGAIN) || !(fl->fl_flags & FL_SLEEP)) 1534 if (error != FILE_LOCK_DEFERRED)
1535 break; 1535 break;
1536 error = wait_event_interruptible(fl->fl_wait, !fl->fl_next); 1536 error = wait_event_interruptible(fl->fl_wait, !fl->fl_next);
1537 if (!error) 1537 if (!error)
@@ -1716,17 +1716,17 @@ out:
1716 * fl_grant is set. Callers expecting ->lock() to return asynchronously 1716 * fl_grant is set. Callers expecting ->lock() to return asynchronously
1717 * will only use F_SETLK, not F_SETLKW; they will set FL_SLEEP if (and only if) 1717 * will only use F_SETLK, not F_SETLKW; they will set FL_SLEEP if (and only if)
1718 * the request is for a blocking lock. When ->lock() does return asynchronously, 1718 * the request is for a blocking lock. When ->lock() does return asynchronously,
1719 * it must return -EINPROGRESS, and call ->fl_grant() when the lock 1719 * it must return FILE_LOCK_DEFERRED, and call ->fl_grant() when the lock
1720 * request completes. 1720 * request completes.
1721 * If the request is for non-blocking lock the file system should return 1721 * If the request is for non-blocking lock the file system should return
1722 * -EINPROGRESS then try to get the lock and call the callback routine with 1722 * FILE_LOCK_DEFERRED then try to get the lock and call the callback routine
1723 * the result. If the request timed out the callback routine will return a 1723 * with the result. If the request timed out the callback routine will return a
1724 * nonzero return code and the file system should release the lock. The file 1724 * nonzero return code and the file system should release the lock. The file
1725 * system is also responsible to keep a corresponding posix lock when it 1725 * system is also responsible to keep a corresponding posix lock when it
1726 * grants a lock so the VFS can find out which locks are locally held and do 1726 * grants a lock so the VFS can find out which locks are locally held and do
1727 * the correct lock cleanup when required. 1727 * the correct lock cleanup when required.
1728 * The underlying filesystem must not drop the kernel lock or call 1728 * The underlying filesystem must not drop the kernel lock or call
1729 * ->fl_grant() before returning to the caller with a -EINPROGRESS 1729 * ->fl_grant() before returning to the caller with a FILE_LOCK_DEFERRED
1730 * return code. 1730 * return code.
1731 */ 1731 */
1732int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf) 1732int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)
@@ -1804,7 +1804,7 @@ again:
1804 else { 1804 else {
1805 for (;;) { 1805 for (;;) {
1806 error = posix_lock_file(filp, file_lock, NULL); 1806 error = posix_lock_file(filp, file_lock, NULL);
1807 if (error != -EAGAIN || cmd == F_SETLK) 1807 if (error != FILE_LOCK_DEFERRED)
1808 break; 1808 break;
1809 error = wait_event_interruptible(file_lock->fl_wait, 1809 error = wait_event_interruptible(file_lock->fl_wait,
1810 !file_lock->fl_next); 1810 !file_lock->fl_next);
@@ -1941,7 +1941,7 @@ again:
1941 else { 1941 else {
1942 for (;;) { 1942 for (;;) {
1943 error = posix_lock_file(filp, file_lock, NULL); 1943 error = posix_lock_file(filp, file_lock, NULL);
1944 if (error != -EAGAIN || cmd == F_SETLK64) 1944 if (error != FILE_LOCK_DEFERRED)
1945 break; 1945 break;
1946 error = wait_event_interruptible(file_lock->fl_wait, 1946 error = wait_event_interruptible(file_lock->fl_wait,
1947 !file_lock->fl_next); 1947 !file_lock->fl_next);