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authorChao Yu <yuchao0@huawei.com>2017-10-09 17:55:19 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-10-26 10:44:12 +0200
commita0d00fad353d4a315f54fb345aa1c65b3771389b (patch)
tree65f4c30f4ca73234c64a42ff9a88e02ad0eb45fa /tools/perf/scripts/python/export-to-postgresql.py
parentebf7c522fdc2ec2fa0fc2351ef613841f79586e5 (diff)
f2fs: fix to avoid race when accessing last_disk_size
last_disk_size could be wrong due to concurrently updating, so using i_sem semaphore to make last_disk_size updating exclusive to fix this issue. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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