linux-ext4 - Re: Ext4 and xfs problems in dm-thin on allocation and discard

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Date:	Sun, 01 Jul 2012 16:53:52 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Mike Snitzer <snitzer@...hat.com>
CC:	Dave Chinner <david@...morbit.com>, Spelic <spelic@...ftmail.org>,
	device-mapper development <dm-devel@...hat.com>,
	linux-ext4@...r.kernel.org, xfs@....sgi.com, axboe@...nel.dk,
	hch@...radead.org
Subject: Re: Ext4 and xfs problems in dm-thin on allocation and discard

Il 21/06/2012 19:47, Mike Snitzer ha scritto:
> Paolo Bonzini fixed blkdev_issue_discard to properly align some time
> ago; unfortunately the patches slipped through the cracks (cc'ing Paolo,
> Jens, and Christoph).
> 
> Here are references to Paolo's patches:
> 0/2 https://lkml.org/lkml/2012/3/14/323
> 1/2 https://lkml.org/lkml/2012/3/14/324
> 2/2 https://lkml.org/lkml/2012/3/14/325
> 
> Patch 2/2 specifically addresses the case where:
>  discard_max_bytes == discard_granularity 
> 
> Paolo, any chance you could resend to Jens (maybe with hch's comments on
> patch#2 accounted for)?  Also, please add hch's Reviewed-by when
> reposting.

Sure, I'll do it this week.  I just need to retest.

Paolo

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