block: simplify printing the device names disk_stack_limits

Printk ->disk_name directly for the disk and use the %pg format specifier
for the block device, which is equivalent to a bdevname call.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20210727062518.122108-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-settings.c b/block/blk-settings.c
index 902c40d..1090127 100644 (file)
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -661,15 +661,9 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
        struct request_queue *t = disk->queue;
 
        if (blk_stack_limits(&t->limits, &bdev_get_queue(bdev)->limits,
-                       get_start_sect(bdev) + (offset >> 9)) < 0) {
-               char top[BDEVNAME_SIZE], bottom[BDEVNAME_SIZE];
-
-               disk_name(disk, 0, top);
-               bdevname(bdev, bottom);
-
-               printk(KERN_NOTICE "%s: Warning: Device %s is misaligned\n",
-                      top, bottom);
-       }
+                       get_start_sect(bdev) + (offset >> 9)) < 0)
+               pr_notice("%s: Warning: Device %pg is misaligned\n",
+                       disk->disk_name, bdev);
 
        blk_queue_update_readahead(disk->queue);
 }