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authorJens Axboe <axboe@fb.com>2016-08-25 00:34:35 +0300
committerJens Axboe <axboe@fb.com>2016-08-25 00:34:35 +0300
commite57690fe009b2ab0cee8a57f53be634540e49c9d (patch)
tree58bbfa1e382f1445e277e9d1833ac131fc0a9ae2 /drivers/regulator/ltc3589.c
parent4d70dca4eadf2f95abe389116ac02b8439c2d16c (diff)
downloadlinux-e57690fe009b2ab0cee8a57f53be634540e49c9d.tar.xz
blk-mq: don't overwrite rq->mq_ctx
We do this in a few places, if the CPU is offline. This isn't allowed, though, since on multi queue hardware, we can't just move a request from one software queue to another, if they map to different hardware queues. The request and tag isn't valid on another hardware queue. This can happen if plugging races with CPU offlining. But it does no harm, since it can only happen in the window where we are currently busy freezing the queue and flushing IO, in preparation for redoing the software <-> hardware queue mappings. Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/regulator/ltc3589.c')
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