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| author | Chao Yu <yuchao0@huawei.com> | 2017-08-21 22:53:45 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-09-21 14:15:06 -0700 |
| commit | 440c08fb62d22b49bcb846b1805a20441d297172 (patch) | |
| tree | c79872d5a57149416fa9567adb0e2c9540ab3bea /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 8f8b9cda392501633678aa75ed8830d31e8e79f9 (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 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions