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