Messages in this thread Patch in this message |  | | Date | Fri, 01 Nov 2013 18:07:02 +0800 | From | Gu Zheng <> | Subject | [PATCH] fs/buffer.c: exit if already confirmed page has dirty and writeback buffers |
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Stop the loop of iterating bh if we have confirmed page has dirty and writeback buffers.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> --- fs/buffer.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c index 6024877..519cc5c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -112,7 +112,7 @@ void buffer_check_dirty_writeback(struct page *page, *dirty = true; bh = bh->b_this_page; - } while (bh != head); + } while ((bh != head) && !(*writeback && *dirty)); } EXPORT_SYMBOL(buffer_check_dirty_writeback); -- 1.7.7
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