summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/extent-tree.c
diff options
context:
space:
mode:
authorChris Mason <chris.mason@oracle.com>2008-06-25 16:01:31 -0400
committerChris Mason <chris.mason@oracle.com>2008-09-25 11:04:03 -0400
commit079899c2384023cd8efcd3806680b4f1d2abbd54 (patch)
treed5d6d44f92b600f2fd3e5066bdcd5812e58cbf14 /fs/btrfs/extent-tree.c
parente7a84565bcdb239caad29ccbe559ef978090ac7e (diff)
downloadop-kernel-dev-079899c2384023cd8efcd3806680b4f1d2abbd54.zip
op-kernel-dev-079899c2384023cd8efcd3806680b4f1d2abbd54.tar.gz
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>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index a9b3a25..dc3c03c 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1438,7 +1438,6 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes,
int err = 0;
if (!pending) {
-#if 0
struct extent_buffer *buf;
buf = btrfs_find_tree_block(root, bytenr, num_bytes);
if (buf) {
@@ -1460,7 +1459,6 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes,
}
free_extent_buffer(buf);
}
-#endif
update_pinned_extents(root, bytenr, num_bytes, 1);
} else {
set_extent_bits(&root->fs_info->pending_del,
OpenPOWER on IntegriCloud