s390/dasd: Define often used variable

block->request_queue is used many times in dasd_setup_queue. Define a
separate variable to increase readability a bit and to make it better
reusable.

Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Höppner 2016-06-30 13:18:16 +02:00 committed by Martin Schwidefsky
parent 5303e6578f
commit 62ba6f85ee

View file

@ -3121,6 +3121,7 @@ static int dasd_alloc_queue(struct dasd_block *block)
*/
static void dasd_setup_queue(struct dasd_block *block)
{
struct request_queue *q = block->request_queue;
int max;
if (block->base->features & DASD_FEATURE_USERAW) {
@ -3135,17 +3136,16 @@ static void dasd_setup_queue(struct dasd_block *block)
} else {
max = block->base->discipline->max_blocks << block->s2b_shift;
}
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, block->request_queue);
block->request_queue->limits.max_dev_sectors = max;
blk_queue_logical_block_size(block->request_queue,
block->bp_block);
blk_queue_max_hw_sectors(block->request_queue, max);
blk_queue_max_segments(block->request_queue, USHRT_MAX);
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q);
q->limits.max_dev_sectors = max;
blk_queue_logical_block_size(q, block->bp_block);
blk_queue_max_hw_sectors(q, max);
blk_queue_max_segments(q, USHRT_MAX);
/* with page sized segments we can translate each segement into
* one idaw/tidaw
*/
blk_queue_max_segment_size(block->request_queue, PAGE_SIZE);
blk_queue_segment_boundary(block->request_queue, PAGE_SIZE - 1);
blk_queue_max_segment_size(q, PAGE_SIZE);
blk_queue_segment_boundary(q, PAGE_SIZE - 1);
}
/*