Btrfs: Change find_extent_buffer to use TestSetPageLocked
authorChris Mason <chris.mason@oracle.com>
Wed, 25 Jun 2008 20:01:31 +0000 (16:01 -0400)
committerChris Mason <chris.mason@oracle.com>
Thu, 25 Sep 2008 15:04:03 +0000 (11:04 -0400)
commit079899c2384023cd8efcd3806680b4f1d2abbd54
treed5d6d44f92b600f2fd3e5066bdcd5812e58cbf14
parente7a84565bcdb239caad29ccbe559ef978090ac7e
Btrfs: Change find_extent_buffer to use TestSetPageLocked

This makes it possible for callers to check for extent_buffers in cache
without deadlocking against any btree locks held.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/extent-tree.c
fs/btrfs/extent_io.c