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| author | Chao Yu <yuchao0@huawei.com> | 2017-08-21 22:53:45 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-08-29 10:02:55 -0700 |
| commit | 6f890df0a7efe3181aceb5d8bcd4af7deb2abce5 (patch) | |
| tree | ce48d5d913e9f4c9712224f299a07e29dcffcef8 /lib/irq_poll.c | |
| parent | 5f656541ff6e4f58b4ab5b4ae59badb97a9ff749 (diff) | |
f2fs: fix out-of-order execution in f2fs_issue_flush
In f2fs_issue_flush, due to out-of-order execution of CPU, wake_up can
be called before we insert issue_list, result in long latency of
wait_for_completion. Fix this by adding smp_mb() to force the order of
related codes.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'lib/irq_poll.c')
0 files changed, 0 insertions, 0 deletions