lkml.org 
[lkml]   [2020]   [Jan]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [resend v1 5/5] drivers/scsi/sd.c: Convert to use disk_set_capacity
From
Date

Balbir,

>> We already emit an SDEV_EVT_CAPACITY_CHANGE_REPORTED event if device
>> capacity changes. However, this event does not automatically cause
>> revalidation.
>
> The proposed idea is to not reinforce revalidation, unless explictly
> specified (in the thread before Bob Liu had suggestions). The goal is
> to notify user space of changes via RESIZE. SCSI sd can opt out of
> this IOW, I can remove this if you feel
> SDEV_EVT_CAPACITY_CHANGE_REPORTED is sufficient for current use cases.

I have no particular objection to the code change. I was just observing
that in the context of sd.c, RESIZE=1 is more of a "your request to
resize was successful" notification due to the requirement of an
explicit userland action in case a device reports a capacity change.

--
Martin K. Petersen Oracle Linux Engineering

\
 
 \ /
  Last update: 2020-01-08 04:15    [W:0.121 / U:0.696 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site