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-rw-r--r--drivers/s390/block/dasd.c29
-rw-r--r--drivers/s390/block/dasd_genhd.c13
2 files changed, 24 insertions, 18 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index bdeab447adfc..e8eb710bd25d 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -308,7 +308,7 @@ static int dasd_state_basic_to_known(struct dasd_device *device)
static int dasd_state_basic_to_ready(struct dasd_device *device)
{
struct dasd_block *block = device->block;
- struct request_queue *q;
+ struct queue_limits lim;
int rc = 0;
/* make disk known with correct capacity */
@@ -328,31 +328,26 @@ static int dasd_state_basic_to_ready(struct dasd_device *device)
goto out;
}
- q = block->gdp->queue;
- blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
- q->limits.max_dev_sectors = device->discipline->max_sectors(block);
- blk_queue_max_hw_sectors(q, q->limits.max_dev_sectors);
- blk_queue_logical_block_size(q, block->bp_block);
- blk_queue_max_segments(q, USHRT_MAX);
-
- /* With page sized segments each segment can be translated into one idaw/tidaw */
- blk_queue_max_segment_size(q, PAGE_SIZE);
- blk_queue_segment_boundary(q, PAGE_SIZE - 1);
- blk_queue_dma_alignment(q, PAGE_SIZE - 1);
+ lim = queue_limits_start_update(block->gdp->queue);
+ lim.max_dev_sectors = device->discipline->max_sectors(block);
+ lim.max_hw_sectors = lim.max_dev_sectors;
+ lim.logical_block_size = block->bp_block;
if (device->discipline->has_discard) {
- unsigned int max_bytes, max_discard_sectors;
+ unsigned int max_bytes;
- q->limits.discard_granularity = block->bp_block;
+ lim.discard_granularity = block->bp_block;
/* Calculate max_discard_sectors and make it PAGE aligned */
max_bytes = USHRT_MAX * block->bp_block;
max_bytes = ALIGN_DOWN(max_bytes, PAGE_SIZE);
- max_discard_sectors = max_bytes / block->bp_block;
- blk_queue_max_discard_sectors(q, max_discard_sectors);
- blk_queue_max_write_zeroes_sectors(q, max_discard_sectors);
+ lim.max_hw_discard_sectors = max_bytes / block->bp_block;
+ lim.max_write_zeroes_sectors = lim.max_hw_discard_sectors;
}
+ rc = queue_limits_commit_update(block->gdp->queue, &lim);
+ if (rc)
+ return rc;
set_capacity(block->gdp, block->blocks << block->s2b_shift);
device->state = DASD_STATE_READY;
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 0465b706745f..528e2d38d9bf 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -34,6 +34,16 @@ MODULE_PARM_DESC(nr_hw_queues, "Default number of hardware queues for new DASD d
*/
int dasd_gendisk_alloc(struct dasd_block *block)
{
+ struct queue_limits lim = {
+ /*
+ * With page sized segments, each segment can be translated into
+ * one idaw/tidaw.
+ */
+ .max_segment_size = PAGE_SIZE,
+ .seg_boundary_mask = PAGE_SIZE - 1,
+ .dma_alignment = PAGE_SIZE - 1,
+ .max_segments = USHRT_MAX,
+ };
struct gendisk *gdp;
struct dasd_device *base;
int len, rc;
@@ -53,11 +63,12 @@ int dasd_gendisk_alloc(struct dasd_block *block)
if (rc)
return rc;
- gdp = blk_mq_alloc_disk(&block->tag_set, NULL, block);
+ gdp = blk_mq_alloc_disk(&block->tag_set, &lim, block);
if (IS_ERR(gdp)) {
blk_mq_free_tag_set(&block->tag_set);
return PTR_ERR(gdp);
}
+ blk_queue_flag_set(QUEUE_FLAG_NONROT, gdp->queue);
/* Initialize gendisk structure. */
gdp->major = DASD_MAJOR;