linux-ext4 - Re: [PATCH 0/4] EXT4 trim bug fixes and improvement.

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Message-ID: <alpine.LFD.2.00.1102221449170.3117@dhcp-27-109.brq.redhat.com>
Date:	Tue, 22 Feb 2011 14:51:32 +0100 (CET)
From:	Lukas Czerner <lczerner@...hat.com>
To:	Tao Ma <tm@....ma>
cc:	ext4 development <linux-ext4@...r.kernel.org>,
	"Ted Ts'o" <tytso@....edu>
Subject: Re: [PATCH 0/4] EXT4 trim bug fixes and improvement.

On Tue, 22 Feb 2011, Tao Ma wrote:

> Hi Ted,
>     any comments for this patch set? Are there ready for the next merge
> window?
>     The most complicate patch [4/4] has already reviewed by Andreas.

But still, I think there is a race -- see my previous comments in the
thread where I suggested using atomic_t for s_last_trim_minblks.

Thanks!
-Lukas

> 
> Regards,
> Tao
> On 02/09/2011 01:52 PM, Tao Ma wrote:
> > Hi Ted and the list,
> >     Here are 4 patches for trim support in ext4.
> >     Patch 1/4 is a fix for the 'len' overflow. As we have decided that we
> > don't adjust start to s_first_data_block, this patch is still needed.
> >     Patch 2/4 is a speedup for trim in one group.
> >     Patch 3/4 adds trace points for the functions used in FITRIM.
> >     Patch 4/4 is a speedup for trim in the whole volume. For more details,
> > please check the commit log.
> > 
> > Regards,
> > Tao
> > -- 
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