Hello,
We should decrease the found slot by one as btrfs_search_slot does
when bin_search return 1 and node level > 0.
Regards
YZ
---
diff -r 3f0eee804974 ctree.c
--- a/ctree.c Thu Jun 26 10:34:20 2008 -0400
+++ b/ctree.c Tue Jul 15 22:05:54 2008 +0800
@@ -2996,6 +2996,7 @@ int btrfs_search_forward(struct btrfs_ro
struct extent_buffer *cur;
struct btrfs_key found_key;
int slot;
+ int sret;
u32 nritems;
int level;
int ret = 1;
@@ -3013,7 +3014,7 @@ again:
while(1) {
nritems = btrfs_header_nritems(cur);
level = btrfs_header_level(cur);
- bin_search(cur, min_key, level, &slot);
+ sret = bin_search(cur, min_key, level, &slot);
/* at level = 0, we're done, setup the path and exit */
if (level == 0) {
@@ -3022,6 +3023,8 @@ again:
btrfs_item_key_to_cpu(cur, &found_key, slot);
goto out;
}
+ if (sret && slot > 0)
+ slot--;
/*
* check this node pointer against the cache_only and
* min_trans parameters. If it isn't in cache or is too
--
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