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(parent: 1f31509) | patch
f2fs: Fix deadlock in shutdown ioctl
authorSahitya Tummala <stummala@codeaurora.org>
Fri, 18 May 2018 06:21:52 +0000 (11:51 +0530)
committerJaegeuk Kim <jaegeuk@kernel.org>
Mon, 9 Jul 2018 00:40:58 +0000 (17:40 -0700)
commit6c5d01ab37e72c0ad26041e6e161db836a2c70c4
treeac740f5932f04fd1f22cd77254165971dd5bd767tree | snapshot (tar.gz zip)
parent1f315091b862dad8dfae80a43e7d51a9461f6b9ccommit | diff
f2fs: Fix deadlock in shutdown ioctl

f2fs_ioc_shutdown() ioctl gets stuck in the below path
when issued with F2FS_GOING_DOWN_FULLSYNC option.

__switch_to+0x90/0xc4
percpu_down_write+0x8c/0xc0
freeze_super+0xec/0x1e4
freeze_bdev+0xc4/0xcc
f2fs_ioctl+0xc0c/0x1ce0
f2fs_compat_ioctl+0x98/0x1f0

Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/file.c diff | blob | blame | history