centos man page for disk_expand_part_tbl

DISK_EXPAND_PART_TBL(9) 					   Block Devices					   DISK_EXPAND_PART_TBL(9)

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.

RETURNS
       0 on success, -errno on failure.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   DISK_EXPAND_PART_TBL(9)