Commit 7226ed7d authored by Filipe Manana's avatar Filipe Manana Committed by David Sterba
Browse files

btrfs: assert delayed refs lock is held at find_ref_head() 



We have 3 callers for find_ref_head() so assert at find_ref_head() that we
have the delayed refs lock held, removing the assertion from one of its
callers (btrfs_find_delayed_ref_head()).

Reviewed-by: default avatarBoris Burkov <boris@bur.io>
Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarFilipe Manana <fdmanana@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 5f54384c

fs/btrfs/delayed-ref.c

+2 −2
Original line number Diff line number Diff line
@@ -407,6 +407,8 @@ static struct btrfs_delayed_ref_head *find_ref_head( 
	struct rb_node *n;

	struct btrfs_delayed_ref_head *entry;



	lockdep_assert_held(&dr->lock);



	n = root->rb_node;

	entry = NULL;

	while (n) {
@@ -1195,8 +1197,6 @@ btrfs_find_delayed_ref_head(const struct btrfs_fs_info *fs_info, 
			    struct btrfs_delayed_ref_root *delayed_refs,

			    u64 bytenr)

{

	lockdep_assert_held(&delayed_refs->lock);



	return find_ref_head(fs_info, delayed_refs, bytenr, false);

}