[BLOCK] ll_rw_blk: use preempt-disabling disk_stat_add() in completion
It can legally be called with interrupts/preemption enabled. Signed-off-by: Jens Axboe <axboe@suse.de>
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@ -3153,7 +3153,7 @@ static int __end_that_request_first(struct request *req, int uptodate,
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if (blk_fs_request(req) && req->rq_disk) {
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const int rw = rq_data_dir(req);
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__disk_stat_add(req->rq_disk, sectors[rw], nr_bytes >> 9);
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disk_stat_add(req->rq_disk, sectors[rw], nr_bytes >> 9);
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}
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total_bytes = bio_nbytes = 0;
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