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authorYufen Yu <yuyufen@huawei.com>2020-05-04 14:47:55 +0200
committerJens Axboe <axboe@kernel.dk>2020-05-09 16:07:39 -0600
commitd51cfc53ade3189455a1b88ec7a2ff0c24597cf8 (patch)
tree83a07adb68c6ad8cfe6644cda7dabba3ba2901c9 /block
parenteb7ae5e06bb6e6ac6bb86872d27c43ebab92f6b2 (diff)
downloadlinux-sh-d51cfc53ade3189455a1b88ec7a2ff0c24597cf8.tar.gz
bdi: use bdi_dev_name() to get device name
Use the common interface bdi_dev_name() to get device name. Signed-off-by: Yufen Yu <yuyufen@huawei.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Add missing <linux/backing-dev.h> include BFQ Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/bfq-iosched.c6
-rw-r--r--block/blk-cgroup.c2
2 files changed, 5 insertions, 3 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 78ba57efd16b..3d411716d7ee 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -123,6 +123,7 @@
#include <linux/ioprio.h>
#include <linux/sbitmap.h>
#include <linux/delay.h>
+#include <linux/backing-dev.h>
#include "blk.h"
#include "blk-mq.h"
@@ -4976,8 +4977,9 @@ bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic)
ioprio_class = IOPRIO_PRIO_CLASS(bic->ioprio);
switch (ioprio_class) {
default:
- dev_err(bfqq->bfqd->queue->backing_dev_info->dev,
- "bfq: bad prio class %d\n", ioprio_class);
+ pr_err("bdi %s: bfq: bad prio class %d\n",
+ bdi_dev_name(bfqq->bfqd->queue->backing_dev_info),
+ ioprio_class);
/* fall through */
case IOPRIO_CLASS_NONE:
/*
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index c5dc833212e1..930212c1a512 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -496,7 +496,7 @@ const char *blkg_dev_name(struct blkcg_gq *blkg)
{
/* some drivers (floppy) instantiate a queue w/o disk registered */
if (blkg->q->backing_dev_info->dev)
- return dev_name(blkg->q->backing_dev_info->dev);
+ return bdi_dev_name(blkg->q->backing_dev_info);
return NULL;
}