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.

RETURN
       0 on success, -errno on failure.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   DISK_EXPAND_PART_TBL(9)