From: Yan Zheng <zheng.yan@oracle.com>
To: chris Mason <chris.mason@oracle.com>, linux-btrfs@vger.kernel.org
Subject: [PATCH] Fix corner case in btrfs_next_leaf
Date: Mon, 20 Jul 2009 19:27:44 +0800 [thread overview]
Message-ID: <4A6454B0.4030703@oracle.com> (raw)
if 1 is returned by btrfs_search_slot, the path already points to the
first item with 'key > searching key'. So increasing path->slots[0] by
one is superfluous in that case.
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
---
diff -urp 1/fs/btrfs/ctree.c 2/fs/btrfs/ctree.c
--- 1/fs/btrfs/ctree.c 2009-07-17 16:05:20.583924545 +0800
+++ 2/fs/btrfs/ctree.c 2009-07-20 14:52:49.715697336 +0800
@@ -4146,7 +4175,8 @@ again:
* advance the path if there are now more items available.
*/
if (nritems > 0 && path->slots[0] < nritems - 1) {
- path->slots[0]++;
+ if (ret == 0)
+ path->slots[0]++;
ret = 0;
goto done;
}
reply other threads:[~2009-07-20 11:27 UTC|newest]
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