disk_expand_part_tbl
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## 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.

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