Btrfs end_bio_extent_readpage should look for locked bits



A recent commit caches the extent state in end_bio_extent_readpage,
but the search it does should look for locked extents.  This
fixes things to make it more effective.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

parent 0e4f8f88

fs/btrfs/extent_io.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1761,7 +1761,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
		prefetchw(&bvec->bv_page->flags);

		spin_lock(&tree->lock);
		state = find_first_extent_bit_state(tree, start, 0);
		state = find_first_extent_bit_state(tree, start, EXTENT_LOCKED);
		if (state && state->start == start) {
		/*
		* take a reference on the state, unlock will drop