loop: reduce loop_ctl_mutex coverage in loop_exit
loop_ctl_mutex is only needed to iterate the IDR for removing the loop devices, so reduce the coverage. Signed-off-by:Christoph Hellwig <hch@lst.de> Reviewed-by:
Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Link: https://lore.kernel.org/r/20210623145908.92973-3-hch@lst.de Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
8b52d8be
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