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-rw-r--r--fs/locks.c28
1 files changed, 14 insertions, 14 deletions
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:
if (!flock_locks_conflict(request, fl))
continue;
error = -EAGAIN;
- if (request->fl_flags & FL_SLEEP)
- locks_insert_block(fl, request);
+ if (!(request->fl_flags & FL_SLEEP))
+ goto out;
+ error = FILE_LOCK_DEFERRED;
+ locks_insert_block(fl, request);
goto out;
}
if (request->fl_flags & FL_ACCESS)
@@ -836,7 +838,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str
error = -EDEADLK;
if (posix_locks_deadlock(request, fl))
goto out;
- error = -EAGAIN;
+ error = FILE_LOCK_DEFERRED;
locks_insert_block(fl, request);
goto out;
}
@@ -1035,7 +1037,7 @@ int posix_lock_file_wait(struct file *filp, struct file_lock *fl)
might_sleep ();
for (;;) {
error = posix_lock_file(filp, fl, NULL);
- if ((error != -EAGAIN) || !(fl->fl_flags & FL_SLEEP))
+ if (error != FILE_LOCK_DEFERRED)
break;
error = wait_event_interruptible(fl->fl_wait, !fl->fl_next);
if (!error)
@@ -1107,9 +1109,7 @@ int locks_mandatory_area(int read_write, struct inode *inode,
for (;;) {
error = __posix_lock_file(inode, &fl, NULL);
- if (error != -EAGAIN)
- break;
- if (!(fl.fl_flags & FL_SLEEP))
+ if (error != FILE_LOCK_DEFERRED)
break;
error = wait_event_interruptible(fl.fl_wait, !fl.fl_next);
if (!error) {
@@ -1531,7 +1531,7 @@ int flock_lock_file_wait(struct file *filp, struct file_lock *fl)
might_sleep();
for (;;) {
error = flock_lock_file(filp, fl);
- if ((error != -EAGAIN) || !(fl->fl_flags & FL_SLEEP))
+ if (error != FILE_LOCK_DEFERRED)
break;
error = wait_event_interruptible(fl->fl_wait, !fl->fl_next);
if (!error)
@@ -1716,17 +1716,17 @@ out:
* fl_grant is set. Callers expecting ->lock() to return asynchronously
* will only use F_SETLK, not F_SETLKW; they will set FL_SLEEP if (and only if)
* the request is for a blocking lock. When ->lock() does return asynchronously,
- * it must return -EINPROGRESS, and call ->fl_grant() when the lock
+ * it must return FILE_LOCK_DEFERRED, and call ->fl_grant() when the lock
* request completes.
* If the request is for non-blocking lock the file system should return
- * -EINPROGRESS then try to get the lock and call the callback routine with
- * the result. If the request timed out the callback routine will return a
+ * FILE_LOCK_DEFERRED then try to get the lock and call the callback routine
+ * with the result. If the request timed out the callback routine will return a
* nonzero return code and the file system should release the lock. The file
* system is also responsible to keep a corresponding posix lock when it
* grants a lock so the VFS can find out which locks are locally held and do
* the correct lock cleanup when required.
* The underlying filesystem must not drop the kernel lock or call
- * ->fl_grant() before returning to the caller with a -EINPROGRESS
+ * ->fl_grant() before returning to the caller with a FILE_LOCK_DEFERRED
* return code.
*/
int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf)
@@ -1804,7 +1804,7 @@ again:
else {
for (;;) {
error = posix_lock_file(filp, file_lock, NULL);
- if (error != -EAGAIN || cmd == F_SETLK)
+ if (error != FILE_LOCK_DEFERRED)
break;
error = wait_event_interruptible(file_lock->fl_wait,
!file_lock->fl_next);
@@ -1941,7 +1941,7 @@ again:
else {
for (;;) {
error = posix_lock_file(filp, file_lock, NULL);
- if (error != -EAGAIN || cmd == F_SETLK64)
+ if (error != FILE_LOCK_DEFERRED)
break;
error = wait_event_interruptible(file_lock->fl_wait,
!file_lock->fl_next);

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