We need to use wq_has_sleeper including smp_mb to consider cp_wait concurrency.
Signed-off-by: Jaegeuk Kim <[email protected]> --- fs/f2fs/data.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index d0675e5..df4d4cc 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -74,8 +74,7 @@ static void f2fs_write_end_io(struct bio *bio) dec_page_count(sbi, F2FS_WRITEBACK); } - if (!get_pages(sbi, F2FS_WRITEBACK) && - !list_empty(&sbi->cp_wait.task_list)) + if (!get_pages(sbi, F2FS_WRITEBACK) && wq_has_sleeper(&sbi->cp_wait)) wake_up(&sbi->cp_wait); bio_put(bio); -- 2.6.3 ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
