Commit 5ce48d0f authored Feb 23, 2020 by Jules Irenge Committed by David Sterba Mar 23, 2020

btrfs: Add missing lock annotation for release_extent_buffer()



Sparse reports a warning at release_extent_buffer()
warning: context imbalance in release_extent_buffer() - unexpected unlock

The root cause is the missing annotation at release_extent_buffer()
Add the missing __releases(&eb->refs_lock) annotation

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent 75ec1db8

fs/btrfs/extent_io.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -5276,6 +5276,7 @@ static inline void btrfs_release_extent_buffer_rcu(struct rcu_head *head)
		}

		static int release_extent_buffer(struct extent_buffer *eb)
		__releases(&eb->refs_lock)
		{
		lockdep_assert_held(&eb->refs_lock);

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