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-rw-r--r--fs/locks.c48
1 files changed, 28 insertions, 20 deletions
diff --git a/fs/locks.c b/fs/locks.c
index d83fab1b77b5..43c0af21a0c5 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1801,17 +1801,21 @@ again:
if (error)
goto out;
- for (;;) {
- error = vfs_lock_file(filp, cmd, file_lock, NULL);
- if (error != -EAGAIN || cmd == F_SETLK)
- break;
- error = wait_event_interruptible(file_lock->fl_wait,
- !file_lock->fl_next);
- if (!error)
- continue;
+ if (filp->f_op && filp->f_op->lock != NULL)
+ error = filp->f_op->lock(filp, cmd, file_lock);
+ else {
+ for (;;) {
+ error = posix_lock_file(filp, file_lock, NULL);
+ if (error != -EAGAIN || cmd == F_SETLK)
+ break;
+ error = wait_event_interruptible(file_lock->fl_wait,
+ !file_lock->fl_next);
+ if (!error)
+ continue;
- locks_delete_block(file_lock);
- break;
+ locks_delete_block(file_lock);
+ break;
+ }
}
/*
@@ -1925,17 +1929,21 @@ again:
if (error)
goto out;
- for (;;) {
- error = vfs_lock_file(filp, cmd, file_lock, NULL);
- if (error != -EAGAIN || cmd == F_SETLK64)
- break;
- error = wait_event_interruptible(file_lock->fl_wait,
- !file_lock->fl_next);
- if (!error)
- continue;
+ if (filp->f_op && filp->f_op->lock != NULL)
+ error = filp->f_op->lock(filp, cmd, file_lock);
+ else {
+ for (;;) {
+ error = posix_lock_file(filp, file_lock, NULL);
+ if (error != -EAGAIN || cmd == F_SETLK64)
+ break;
+ error = wait_event_interruptible(file_lock->fl_wait,
+ !file_lock->fl_next);
+ if (!error)
+ continue;
- locks_delete_block(file_lock);
- break;
+ locks_delete_block(file_lock);
+ break;
+ }
}
/*

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