Re: [stable] [PATCH] block: include empty disks in /proc/diskstats

[Chris Wright]

* Tejun Heo (tj@xxxxxxxxxx) wrote:
> /proc/diskstats used to show stats for all disks whether they're
> zero-sized or not and their non-zero partitions.  Commit
> 074a7aca7afa6f230104e8e65eba3420263714a5 accidentally changed the
> behavior such that it doesn't print out zero sized disks.  This patch
> implements DISK_PITER_INCL_EMPTY_PART0 flag to partition iterator and
> uses it in diskstats_show() such that empty part0 is shown in
> /proc/diskstats.
> 
> Reported and bisectd by Dianel Collins.
> 
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Reported-by: Daniel Collins <solemnwarning@xxxxxxxxxxxxxxxxxxxxxxx>

looks like this isn't upstream yet.

thanks,
-chris
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