Stop the loop of iterating bh if we have confirmed page has dirty and writeback buffers. Signed-off-by: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
