diff options
Diffstat (limited to 'drivers/md/dm-sysfs.c')
| -rw-r--r-- | drivers/md/dm-sysfs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c index f5bb3944f75e..7e818f5f1dc4 100644 --- a/drivers/md/dm-sysfs.c +++ b/drivers/md/dm-sysfs.c @@ -89,15 +89,24 @@ static ssize_t dm_attr_suspended_show(struct mapped_device *md, char *buf) return strlen(buf); } +static ssize_t dm_attr_use_blk_mq_show(struct mapped_device *md, char *buf) +{ + sprintf(buf, "%d\n", dm_use_blk_mq(md)); + + return strlen(buf); +} + static DM_ATTR_RO(name); static DM_ATTR_RO(uuid); static DM_ATTR_RO(suspended); +static DM_ATTR_RO(use_blk_mq); static DM_ATTR_RW(rq_based_seq_io_merge_deadline); static struct attribute *dm_attrs[] = { &dm_attr_name.attr, &dm_attr_uuid.attr, &dm_attr_suspended.attr, + &dm_attr_use_blk_mq.attr, &dm_attr_rq_based_seq_io_merge_deadline.attr, NULL, }; |