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| H A D | loop.c | d292dc80 Wed Mar 30 00:29:17 CDT 2022 Christoph Hellwig <hch@lst.de> loop: don't destroy lo->workqueue in __loop_clr_fd
There is no need to destroy the workqueue when clearing unbinding
a loop device from a backing file. Not doing so on the other hand
avoid creating a complex lock dependency chain involving the global
system_transition_mutex.
Based on a patch from Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>.
Reported-by: syzbot+6479585dfd4dedd3f7e1@syzkaller.appspotmail.com
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Tested-by: syzbot+6479585dfd4dedd3f7e1@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/20220330052917.2566582-16-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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