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bdi: use bdi_dev_name() to get device name

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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>
This commit is contained in:
Yufen Yu
2020-05-04 14:47:55 +02:00
committed by Jens Axboe
parent eb7ae5e06b
commit d51cfc53ad
4 changed files with 10 additions and 8 deletions
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2
block/blk-cgroup.c
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@@ -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;
}