block: use the %pg format specifier in show_partition

Simplify printing the partition name by using the %pg format specifier
that 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/20210727062518.122108-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-07-27 08:25:15 +02:00 committed by Jens Axboe
parent a9e7bc3de4
commit a291bb43e5
1 changed files with 2 additions and 4 deletions

View File

@ -778,7 +778,6 @@ static int show_partition(struct seq_file *seqf, void *v)
struct gendisk *sgp = v;
struct block_device *part;
unsigned long idx;
char buf[BDEVNAME_SIZE];
/* Don't show non-partitionable removeable devices or empty devices */
if (!get_capacity(sgp) || (!disk_max_parts(sgp) &&
@ -791,10 +790,9 @@ static int show_partition(struct seq_file *seqf, void *v)
xa_for_each(&sgp->part_tbl, idx, part) {
if (!bdev_nr_sectors(part))
continue;
seq_printf(seqf, "%4d %7d %10llu %s\n",
seq_printf(seqf, "%4d %7d %10llu %pg\n",
MAJOR(part->bd_dev), MINOR(part->bd_dev),
bdev_nr_sectors(part) >> 1,
disk_name(sgp, part->bd_partno, buf));
bdev_nr_sectors(part) >> 1, part);
}
rcu_read_unlock();
return 0;