Commit 7c506896 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: use wq_has_sleeper for cp_wait wait_queue 



We need to use wq_has_sleeper including smp_mb to consider cp_wait concurrency.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 688159b6

fs/f2fs/data.c

+1 −2
Original line number Diff line number Diff line
@@ -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);

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