Am 05.10.22 um 07:00 schrieb Chaitanya Kulkarni: > Add and use the helper to initialize the common fields of struct gendisk > such as major, first_minor, minors, disk_name, private_data, and ops. > This initialization is spread all over the block drivers. This avoids > code repetation of inialization code of gendisk in current block drivers > and any future ones. > > Signed-off-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> > --- > drivers/block/drbd/drbd_main.c | 6 +----- > 1 file changed, 1 insertion(+), 5 deletions(-) > > diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c > index f3e4db16fd07..58fae122de16 100644 > --- a/drivers/block/drbd/drbd_main.c > +++ b/drivers/block/drbd/drbd_main.c > @@ -2706,13 +2706,9 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig > > set_disk_ro(disk, true); > > - disk->major = DRBD_MAJOR; > - disk->first_minor = minor; > - disk->minors = 1; > - disk->fops = &drbd_ops; > disk->flags |= GENHD_FL_NO_PART; > sprintf(disk->disk_name, "drbd%d", minor); > - disk->private_data = device; > + init_disk(disk, DRBD_MAJOR, minor, 1, 0, device, &drbd_ops); > > blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, disk->queue); > blk_queue_write_cache(disk->queue, true, true); This now does a set_capacity(..., 0), which it did not do before. I'm guessing this does not have any side effects as the capacity should already be initialized to 0? Do you know this for sure? -- Christoph Böhmwalder LINBIT | Keeping the Digital World Running DRBD HA — Disaster Recovery — Software defined Storage