diff mbox series

[6/7] btrfs: Add missing annotation for btrfs_tree_lock()

Message ID 20200331204643.11262-7-jbi.octave@gmail.com (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Jules Irenge March 31, 2020, 8:46 p.m. UTC 
Sparse reports a warning at btrfs_tree_lock()

warning: context imbalance in btrfs_tree_lock() - wrong count at exit

The root cause is the missing annotation at btrfs_tree_lock()
Add the missing __acquires(&eb->lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 fs/btrfs/locking.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index 571c4826c428..850fae45a8a4 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -410,6 +410,7 @@  void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb)
  * The rwlock is held for write upon exit.
  */
 void btrfs_tree_lock(struct extent_buffer *eb)
+	__acquires(&eb->lock)
 {
 	u64 start_ns = 0;