diff options
Diffstat (limited to 'drivers/s390/block/dasd_genhd.c')
| -rw-r--r-- | drivers/s390/block/dasd_genhd.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c index 8bf2cf0ccc15..4533dd055ca8 100644 --- a/drivers/s390/block/dasd_genhd.c +++ b/drivers/s390/block/dasd_genhd.c @@ -11,8 +11,6 @@ * */ -#define KMSG_COMPONENT "dasd" - #include <linux/interrupt.h> #include <linux/major.h> #include <linux/fs.h> @@ -20,9 +18,6 @@ #include <linux/uaccess.h> -/* This is ugly... */ -#define PRINTK_HEADER "dasd_gendisk:" - #include "dasd_int.h" static unsigned int queue_depth = 32; @@ -39,6 +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; @@ -58,11 +63,12 @@ int dasd_gendisk_alloc(struct dasd_block *block) if (rc) return rc; - gdp = blk_mq_alloc_disk(&block->tag_set, 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; |