Commit 0d399205 authored by Chris Mason's avatar Chris Mason

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: default avatarChris Mason <chris.mason@oracle.com>
parent 0e4f8f88
...@@ -1761,7 +1761,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err) ...@@ -1761,7 +1761,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
prefetchw(&bvec->bv_page->flags); prefetchw(&bvec->bv_page->flags);
spin_lock(&tree->lock); 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) { if (state && state->start == start) {
/* /*
* take a reference on the state, unlock will drop * take a reference on the state, unlock will drop
......
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