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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 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | f2fs: issue discard commands if gc_urgent is set (diff) | |
| download | wireguard-linux-6f890df0a7efe3181aceb5d8bcd4af7deb2abce5.tar.xz wireguard-linux-6f890df0a7efe3181aceb5d8bcd4af7deb2abce5.zip | |
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-sql.py')
0 files changed, 0 insertions, 0 deletions