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author	Chao Yu <yuchao0@huawei.com>
	Thu, 29 Jun 2017 15:17:45 +0000 (23:17 +0800)
committer	Jaegeuk Kim <jaegeuk@kernel.org>
	Fri, 7 Jul 2017 17:34:42 +0000 (10:34 -0700)
commit	cce1325247b9faafc520c5789fe60feef1fd7092
tree	b4b722ce5c23bb52fb36b9f9a291dc1314ea64e7	tree \| snapshot (tar.gz zip)
parent	daeb433e42de97c79622f58681972200eec1d8da	commit \| diff

f2fs: stop gc/discard thread in prior during umount

This patch resolves kernel panic for xfstests/081, caused by recent f2fs_bug_on

f2fs: add f2fs_bug_on in __remove_discard_cmd

For fixing, we will stop gc/discard thread in prior in ->kill_sb in order to
avoid referring and releasing race among them.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/f2fs.h		diff \| blob \| blame \| history
fs/f2fs/segment.c		diff \| blob \| blame \| history
fs/f2fs/super.c		diff \| blob \| blame \| history

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