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Commit e3f9387a authored by Tetsuo Handa's avatar Tetsuo Handa Committed by Jens Axboe
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loop: Use pr_warn_once() for loop_control_remove() warning



kernel test robot reported that RCU stall via printk() flooding is
possible [1] when stress testing.

Link: https://lkml.kernel.org/r/20211129073709.GA18483@xsang-OptiPlex-9020 [1]
Reported-by: default avatarkernel test robot <oliver.sang@intel.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent d422f401
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