f2fs: fix to update largest extent under lock
authorChao Yu <yuchao0@huawei.com>
Tue, 11 Oct 2016 14:57:05 +0000 (22:57 +0800)
committerJaegeuk Kim <jaegeuk@google.com>
Mon, 25 Sep 2017 22:04:54 +0000 (15:04 -0700)
commit1158df42b2c66b4c9f150615ae37a1cc7edb3c74
tree683231b3b6d4f4c27dc262bb59e5b821a13c4fbf
parent9e3d0bf6d3714bc3481e32828bd56eecc0700d29
f2fs: fix to update largest extent under lock

commit b691d98fdd4cc2514c60fd6975e6016da203e64f upstream.

In order to avoid racing problem, make largest extent cache being updated
under lock.

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