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(parent: f8de433) | 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>
Thu, 31 May 2018 18:31:51 +0000 (11:31 -0700)
commit60b2b4ee2bc01dd052f99fa9d65da2232102ef8e
treeb19f9a6a9c8c1142a767a64463e783b073a806dbtree | snapshot
parentf8de4331224513271a99dce967e637cf14f4bc28commit | 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 | history
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