* [PATCH] Fix corner case in btrfs_next_leaf
@ 2009-07-20 11:27 Yan Zheng
0 siblings, 0 replies; only message in thread
From: Yan Zheng @ 2009-07-20 11:27 UTC (permalink / raw)
To: chris Mason, linux-btrfs
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;
}
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