From 5be6f7f174146d91039a27ebb2f1b4ac599172b3 Mon Sep 17 00:00:00 2001 From: Chris Mason <chris.mason@oracle.com> Date: Thu, 5 Apr 2007 13:35:25 -0400 Subject: Btrfs: dirindex optimizations Signed-off-by: Chris Mason <chris.mason@oracle.com> --- fs/btrfs/dir-item.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/btrfs/dir-item.c') diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index b1629a5d73c..0ee9945fb1b 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -92,6 +92,7 @@ int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root int cow = mod != 0; struct btrfs_disk_key *found_key; struct btrfs_leaf *leaf; + u32 overflow; key.objectid = dir; key.flags = 0; @@ -119,8 +120,10 @@ int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root if (btrfs_match_dir_item_name(root, path, name, name_len)) return 0; - if (btrfs_disk_key_overflow(found_key) == 0) + overflow = btrfs_disk_key_overflow(found_key); + if (overflow == 0) return 1; + btrfs_set_key_overflow(&key, overflow - 1); btrfs_release_path(root, path); } return 1; -- cgit v1.2.3-18-g5258