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dm: remove useless code from dm_dispatch_clone_request
Both ->start_time_ns and the RQF_IO_STAT are set when the request is allocated using blk_mq_alloc_request by dm-mpath in blk_mq_rq_ctx_init. The block layer also ensures ->start_time_ns is only set when actually needed. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Snitzer <snitzer@redhat.com> Link: https://lore.kernel.org/r/20220215100540.3892965-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
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1 changed files with 0 additions and 4 deletions
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@ -307,10 +307,6 @@ static blk_status_t dm_dispatch_clone_request(struct request *clone, struct requ
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{
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{
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blk_status_t r;
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blk_status_t r;
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if (blk_queue_io_stat(clone->q))
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clone->rq_flags |= RQF_IO_STAT;
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clone->start_time_ns = ktime_get_ns();
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r = blk_insert_cloned_request(clone);
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r = blk_insert_cloned_request(clone);
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if (r != BLK_STS_OK && r != BLK_STS_RESOURCE && r != BLK_STS_DEV_RESOURCE)
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if (r != BLK_STS_OK && r != BLK_STS_RESOURCE && r != BLK_STS_DEV_RESOURCE)
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/* must complete clone in terms of original request */
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/* must complete clone in terms of original request */
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