Re: _xfs_buf_ioapply: no ops on block 0x188e78/0x8 on vanilla 4.4.11

["Holger Hoffstätte" <holger@applied-asynchrony.com>]

On 06/03/16 00:25, Dave Chinner wrote:
> On Thu, Jun 02, 2016 at 04:21:12PM +0200, Holger Hoffstätte wrote:
>> On 06/02/16 16:05, Holger Hoffstätte wrote:
>>> On 06/02/16 15:23, Stefan Priebe - Profihost AG wrote:
>>>> I found a bug report from redhat here
>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1234586 pointing to this commit:
>>>> xfs: handle dquot buffer readahead in log recovery correctly
>>>>
>>>> which isn't part of 4.4. Is it missing from linux-stable?
>>>
>>> Yes, mainline 7d6a13f02356 is missing from 4.4-stable because it applies,
>>> but doesn't compile. :)
>>>
>>> I'll look into a fix.
>>
>> Well, that was easy. It also needs 233135b763 ("xfs: print name of verifier
>> if it fails") which added a .name to the various xfs_buf_ops types.
>> Can someone confirm that these can both go into 4.4-stable?
> 
> You could just remove the line:
> 
> +       .name = "xfs_dquot_ra",
> 
> from 7d6a13f02356 and that will fix the backport problem and not
> require any other commits to be backported. I'm fine with either
> solution.

Ha..that totally didn't occur to me..too simple. :}
The .name patch applies cleanly and can't hurt either, so I think
sending both commits to Greg is easiest for everyone.

thanks!
Holger

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