Commit 0bf6595e authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: don't set bounce limit in blk_init_allocated_queue 



And just move it into scsi_transport_sas which needs it due to low-level
drivers directly derferencing bio_data, and into blk_init_queue_node,
which will need a further push into the callers.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 46685d1a

block/blk-core.c

+5 −5
Original line number Diff line number Diff line
@@ -960,6 +960,11 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id) 
		return NULL;

	}



	/*

	 * by default assume old behaviour and bounce for any highmem page

	 */

	blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);



	return q;

}

EXPORT_SYMBOL(blk_init_queue_node);
@@ -989,11 +994,6 @@ int blk_init_allocated_queue(struct request_queue *q) 
	 */

	blk_queue_make_request(q, blk_queue_bio);



	/*

	 * by default assume old behaviour and bounce for any highmem page

	 */

	blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);



	q->sg_reserved_size = INT_MAX;



	/* Protect q->elevator from elevator_change */

drivers/scsi/scsi_transport_sas.c

+5 −0
Original line number Diff line number Diff line
@@ -251,6 +251,11 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy) 
	if (error)

		goto out_cleanup_queue;



	/*

	 * by default assume old behaviour and bounce for any highmem page

	 */

	blk_queue_bounce_limit(q, BLK_BOUNCE_HIGH);



	error = bsg_register_queue(q, dev, name, release);

	if (error)

		goto out_cleanup_queue;

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