From: Wang Sheng-Hui <shhuiw@gmail.com>
To: jaegeuk.kim@samsung.com, linux-fsdevel@vger.kernel.org
Subject: [PATCH] f2fs: check the search bound earlier in dir.c/room_for_filename
Date: Sun, 07 Jul 2013 17:10:00 +0800 [thread overview]
Message-ID: <51D93068.3080606@gmail.com> (raw)
Check the bound earlier than computing the next search start pos.
Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
---
fs/f2fs/dir.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 9d1cd42..83a3549 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -406,13 +406,17 @@ next:
zero_end = find_next_bit_le(&dentry_blk->dentry_bitmap,
NR_DENTRY_IN_BLOCK,
zero_start);
+ if (zero_end >= NR_DENTRY_IN_BLOCK)
+ zero_end = NR_DENTRY_IN_BLOCK;
+
if (zero_end - zero_start >= slots)
return zero_start;
+ if (zero_end >= NR_DENTRY_IN_BLOCK)
+ return NR_DENTRY_IN_BLOCK;
+
bit_start = zero_end + 1;
- if (zero_end + 1 >= NR_DENTRY_IN_BLOCK)
- return NR_DENTRY_IN_BLOCK;
goto next;
}
--
1.7.10.4
next reply other threads:[~2013-07-07 9:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-07 9:10 Wang Sheng-Hui [this message]
2013-07-07 9:18 ` [PATCH] f2fs: check the search bound earlier in dir.c/room_for_filename Wang Sheng-Hui
2013-07-15 0:00 ` Jaegeuk Kim
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