NAME
disk_expand_part_tbl - expand disk->part_tbl
SYNOPSIS
int disk_expand_part_tbl(struct gendisk * disk, int partno);
ARGUMENTS
disk
disk to expand part_tbl for
partno
expand such that this partno can fit in
DESCRIPTION
Expand disk->part_tbl such that partno can fit in. disk->part_tbl uses RCU to allow unlocked dereferencing for stats and other stuff.
LOCKING: Matching bd_mutex locked, might sleep.
RETURN
0 on success, -errno on failure.