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>

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 6a0c9df..a4388f5 100644 (file)
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -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);
 }
 
 /*