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authorChao Yu <yuchao0@huawei.com>2017-10-30 17:49:53 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-11-15 22:02:26 -0800
commitc5470498e59be4c3d9ebc9d7ee396dd8e6c6b1ea (patch)
treefe18872ec7af73b1e9a25cd0937c517a3711b52e /tools/perf/scripts/python/failed-syscalls-by-pid.py
parent82750d346ab7d09c9ffc2d9ecce84420422bd6fa (diff)
f2fs: use rw_semaphore to protect SIT cache
There are some cases user didn't update SIT cache under this lock, so let's use rw_semaphore instead of mutex to enhance concurrently accessing. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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