[PATCH 3/7] block: use block_device name vsprintf helper

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Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
---
 block/blk-core.c     |   30 ++++++++++++------------------
 block/blk-settings.c |    9 ++-------
 2 files changed, 14 insertions(+), 25 deletions(-)

diff --git a/block/blk-core.c b/block/blk-core.c
index 794c3e7..88a4c94 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1694,12 +1694,9 @@ static inline void blk_partition_remap(struct bio *bio)
 
 static void handle_bad_sector(struct bio *bio)
 {
-	char b[BDEVNAME_SIZE];
-
 	printk(KERN_INFO "attempt to access beyond end of device\n");
-	printk(KERN_INFO "%s: rw=%ld, want=%Lu, limit=%Lu\n",
-			bdevname(bio->bi_bdev, b),
-			bio->bi_rw,
+	printk(KERN_INFO "%pg: rw=%ld, want=%Lu, limit=%Lu\n",
+	       		bio->bi_bdev,bio->bi_rw,
 			(unsigned long long)bio_end_sector(bio),
 			(long long)(i_size_read(bio->bi_bdev->bd_inode) >> 9));
 
@@ -1776,7 +1773,6 @@ generic_make_request_checks(struct bio *bio)
 	struct request_queue *q;
 	int nr_sectors = bio_sectors(bio);
 	int err = -EIO;
-	char b[BDEVNAME_SIZE];
 	struct hd_struct *part;
 
 	might_sleep();
@@ -1788,16 +1784,16 @@ generic_make_request_checks(struct bio *bio)
 	if (unlikely(!q)) {
 		printk(KERN_ERR
 		       "generic_make_request: Trying to access "
-			"nonexistent block-device %s (%Lu)\n",
-			bdevname(bio->bi_bdev, b),
-			(long long) bio->bi_iter.bi_sector);
+		       "nonexistent block-device %pg (%Lu)\n",
+		       bio->bi_bdev,
+		       (long long) bio->bi_iter.bi_sector);
 		goto end_io;
 	}
 
 	if (likely(bio_is_rw(bio) &&
 		   nr_sectors > queue_max_hw_sectors(q))) {
-		printk(KERN_ERR "bio too big device %s (%u > %u)\n",
-		       bdevname(bio->bi_bdev, b),
+		printk(KERN_ERR "bio too big device %pg (%u > %u)\n",
+		       bio->bi_bdev,
 		       bio_sectors(bio),
 		       queue_max_hw_sectors(q));
 		goto end_io;
@@ -1970,13 +1966,11 @@ void submit_bio(int rw, struct bio *bio)
 		}
 
 		if (unlikely(block_dump)) {
-			char b[BDEVNAME_SIZE];
-			printk(KERN_DEBUG "%s(%d): %s block %Lu on %s (%u sectors)\n",
-			current->comm, task_pid_nr(current),
-				(rw & WRITE) ? "WRITE" : "READ",
-				(unsigned long long)bio->bi_iter.bi_sector,
-				bdevname(bio->bi_bdev, b),
-				count);
+			printk(KERN_DEBUG "%s(%d): %s block %Lu on %pg (%u sectors)\n",
+			       current->comm, task_pid_nr(current),
+			       (rw & WRITE) ? "WRITE" : "READ",
+			       (unsigned long long)bio->bi_iter.bi_sector,
+			       bio->bi_bdev, count);
 		}
 	}
 
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 6ed2cbe..45d52cf 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -689,13 +689,8 @@ void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
 	struct request_queue *t = disk->queue;
 
 	if (bdev_stack_limits(&t->limits, 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);
+		printk(KERN_NOTICE "%s: Warning: Device %pg is misaligned\n",
+		       disk->disk_name, bdev);
 	}
 }
 EXPORT_SYMBOL(disk_stack_limits);
-- 
1.7.1

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