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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-01-26 11:55:35 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-02-22 16:07:23 -0800 |
| commit | 7c506896cf933a07460dd9777ac023382446beac (patch) | |
| tree | 7e5e2ea4e4e7b2950e9ee9d4b0ba4058ea9a0265 /fs/f2fs | |
| parent | 688159b6db47a9ebc0b34402bf5df157c45f6a46 (diff) | |
| download | linux-7c506896cf933a07460dd9777ac023382446beac.tar.bz2 | |
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: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/data.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 16cf8f0bc55f..90b3a3726d80 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); |