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f2fs: wait discard IO completion without cmd_lock held
authorChao Yu <yuchao0@huawei.com>
Fri, 19 May 2017 15:46:45 +0000 (23:46 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Thu, 13 Jul 2017 23:56:19 +0000 (16:56 -0700)
commitb3df3669b73c7e48e6b808e1b17522f585bd69ea
tree694d156cf2894a0b08484e9fd7160430c37c7a50
parentaa9d75d2f522fccac641f5cb535acd53b0238f2e
f2fs: wait discard IO completion without cmd_lock held

Wait discard IO completion outside cmd_lock to avoid long latency
of holding cmd_lock in IO busy scenario.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/segment.c