summaryrefslogtreecommitdiffstats
path: root/drivers/block/rbd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/rbd.c')
-rw-r--r--drivers/block/rbd.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 12b5d53ec8..26ff5cd2bf 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -575,7 +575,7 @@ static const struct attribute_group rbd_bus_group = {
};
__ATTRIBUTE_GROUPS(rbd_bus);
-static struct bus_type rbd_bus_type = {
+static const struct bus_type rbd_bus_type = {
.name = "rbd",
.bus_groups = rbd_bus_groups,
};
@@ -4952,6 +4952,14 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
struct request_queue *q;
unsigned int objset_bytes =
rbd_dev->layout.object_size * rbd_dev->layout.stripe_count;
+ struct queue_limits lim = {
+ .max_hw_sectors = objset_bytes >> SECTOR_SHIFT,
+ .max_user_sectors = objset_bytes >> SECTOR_SHIFT,
+ .io_min = rbd_dev->opts->alloc_size,
+ .io_opt = rbd_dev->opts->alloc_size,
+ .max_segments = USHRT_MAX,
+ .max_segment_size = UINT_MAX,
+ };
int err;
memset(&rbd_dev->tag_set, 0, sizeof(rbd_dev->tag_set));
@@ -4966,7 +4974,13 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
if (err)
return err;
- disk = blk_mq_alloc_disk(&rbd_dev->tag_set, rbd_dev);
+ if (rbd_dev->opts->trim) {
+ lim.discard_granularity = rbd_dev->opts->alloc_size;
+ lim.max_hw_discard_sectors = objset_bytes >> SECTOR_SHIFT;
+ lim.max_write_zeroes_sectors = objset_bytes >> SECTOR_SHIFT;
+ }
+
+ disk = blk_mq_alloc_disk(&rbd_dev->tag_set, &lim, rbd_dev);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_tag_set;
@@ -4987,19 +5001,6 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
/* QUEUE_FLAG_ADD_RANDOM is off by default for blk-mq */
- blk_queue_max_hw_sectors(q, objset_bytes >> SECTOR_SHIFT);
- q->limits.max_sectors = queue_max_hw_sectors(q);
- blk_queue_max_segments(q, USHRT_MAX);
- blk_queue_max_segment_size(q, UINT_MAX);
- blk_queue_io_min(q, rbd_dev->opts->alloc_size);
- blk_queue_io_opt(q, rbd_dev->opts->alloc_size);
-
- if (rbd_dev->opts->trim) {
- q->limits.discard_granularity = rbd_dev->opts->alloc_size;
- blk_queue_max_discard_sectors(q, objset_bytes >> SECTOR_SHIFT);
- blk_queue_max_write_zeroes_sectors(q, objset_bytes >> SECTOR_SHIFT);
- }
-
if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC))
blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, q);