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

From: Dmitry Monakhov
Date: Tue Mar 31 2015 - 12:35:45 EST



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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/