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

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
...@@ -74,8 +74,7 @@ static void f2fs_write_end_io(struct bio *bio) ...@@ -74,8 +74,7 @@ static void f2fs_write_end_io(struct bio *bio)
dec_page_count(sbi, F2FS_WRITEBACK); dec_page_count(sbi, F2FS_WRITEBACK);
} }
if (!get_pages(sbi, F2FS_WRITEBACK) && if (!get_pages(sbi, F2FS_WRITEBACK) && wq_has_sleeper(&sbi->cp_wait))
!list_empty(&sbi->cp_wait.task_list))
wake_up(&sbi->cp_wait); wake_up(&sbi->cp_wait);
bio_put(bio); bio_put(bio);
......
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