Re: [resend v1 1/5] block/genhd: Notify udev about capacity change

From: Martin K. Petersen
Date: Mon Jan 06 2020 - 22:33:18 EST

Hi Balbir,

> Allow block/genhd to notify user space (via udev) about disk size
> changes using a new helper disk_set_capacity(), which is a wrapper on
> top of set_capacity(). disk_set_capacity() will only notify via udev
> if the current capacity or the target capacity is not zero.

I know set_capacity() is called all over the place making it a bit of a
pain to audit. Is that the reason you introduced a new function instead
of just emitting the event in set_capacity()?

Martin K. Petersen Oracle Linux Engineering