On Sun, Apr 26, 2020 at 8:22 PM Bo YU <tsu.yubo@xxxxxxxxx> wrote: > > Before the patch: > > major minor #blocks name > > 254 0 57671680 vda > 254 1 57670656 vda1 > > After the patch: > > major minor #blocks name > > 254 0 57671680 vda > 254 1 57670656 vda1 > > According to LDD3,major device maximun number is 12 bit,as it has 4 char > placeholders.minor device maximum number is 20 bit(7 char palceholders) > and keeping 10 char palceholders for blocks tag.If want to keep > palceholder's numbers dynamiclly, There is more tricks to do that. So i > keep it simple. > > Signed-off-by: Bo YU <tsu.yubo@xxxxxxxxx> > --- > block/genhd.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/block/genhd.c b/block/genhd.c > index 06b642b23a07..63a483cf76b9 100644 > --- a/block/genhd.c > +++ b/block/genhd.c > @@ -1151,7 +1151,7 @@ static void *show_partition_start(struct seq_file *seqf, loff_t *pos) > > p = disk_seqf_start(seqf, pos); > if (!IS_ERR_OR_NULL(p) && !*pos) > - seq_puts(seqf, "major minor #blocks name\n\n"); > + seq_puts(seqf, "major minor #blocks name\n\n"); > return p; > } > > @@ -1172,7 +1172,7 @@ static int show_partition(struct seq_file *seqf, void *v) > /* show the full disk and all non-0 size partitions of it */ > disk_part_iter_init(&piter, sgp, DISK_PITER_INCL_PART0); > while ((part = disk_part_iter_next(&piter))) > - seq_printf(seqf, "%4d %7d %10llu %s\n", > + seq_printf(seqf, "%-4d %-7d %-10llu %s\n", > MAJOR(part_devt(part)), MINOR(part_devt(part)), > (unsigned long long)part_nr_sects_read(part) >> 1, > disk_name(sgp, part->partno, buf)); > -- > 2.11.0 > Sorry, Ping again
