From: Christoph Hellwig <hch@lst.de>
Date: Tue, 27 Jul 2021 08:25:18 +0200
Subject: [PATCH] block: remove disk_name()
Git-commit: abd2864a3e46368a58f3718491521779099bfc14
Patch-mainline: v5.15-rc1
References: jsc#PED-1183

Remove the disk_name function now that all users are gone.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20210727062518.122108-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
 block/blk.h   |  1 -
 block/genhd.c | 17 +++++++++--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/block/blk.h b/block/blk.h
index 4b885c0f6708..56f33fbcde59 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -344,7 +344,6 @@ static inline void blk_queue_clear_zone_settings(struct request_queue *q) {}
 
 int blk_alloc_ext_minor(void);
 void blk_free_ext_minor(unsigned int minor);
-char *disk_name(struct gendisk *hd, int partno, char *buf);
 #define ADDPART_FLAG_NONE	0
 #define ADDPART_FLAG_RAID	1
 #define ADDPART_FLAG_WHOLEDISK	2
diff --git a/block/genhd.c b/block/genhd.c
index 6ed58fda2c05..38f053074159 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -78,11 +78,17 @@ bool set_capacity_and_notify(struct gendisk *disk, sector_t size)
 EXPORT_SYMBOL_GPL(set_capacity_and_notify);
 
 /*
- * Format the device name of the indicated disk into the supplied buffer and
- * return a pointer to that same buffer for convenience.
+ * Format the device name of the indicated block device into the supplied buffer
+ * and return a pointer to that same buffer for convenience.
+ *
+ * Note: do not use this in new code, use the %pg specifier to sprintf and
+ * printk insted.
  */
-char *disk_name(struct gendisk *hd, int partno, char *buf)
+const char *bdevname(struct block_device *bdev, char *buf)
 {
+	struct gendisk *hd = bdev->bd_disk;
+	int partno = bdev->bd_partno;
+
 	if (!partno)
 		snprintf(buf, BDEVNAME_SIZE, "%s", hd->disk_name);
 	else if (isdigit(hd->disk_name[strlen(hd->disk_name)-1]))
@@ -92,11 +98,6 @@ char *disk_name(struct gendisk *hd, int partno, char *buf)
 
 	return buf;
 }
-
-const char *bdevname(struct block_device *bdev, char *buf)
-{
-	return disk_name(bdev->bd_disk, bdev->bd_partno, buf);
-}
 EXPORT_SYMBOL(bdevname);
 
 static void part_stat_read_all(struct block_device *part,
-- 
2.35.3