Excerpts from Miao Xie's message of 2011-03-27 07:44:06 -0400:
> On sun, 27 Mar 2011 20:09:10 +0900, Itaru Kitayama wrote:
> > Hi Miao,
> >
> > On Sun, 27 Mar 2011 15:00:00 +0800
> > Miao Xie wrote:
> >
> >> I got it. It is because the allocation flag of the metadata's page cache,
> >> which is
On sun, 27 Mar 2011 20:09:10 +0900, Itaru Kitayama wrote:
> Hi Miao,
>
> On Sun, 27 Mar 2011 15:00:00 +0800
> Miao Xie wrote:
>
>> I got it. It is because the allocation flag of the metadata's page cache,
>> which is stored in
>> the btree inode's i_mapping, was set to be GFP_HIGHUSER_MOVABLE.
Hi Miao,
On Sun, 27 Mar 2011 15:00:00 +0800
Miao Xie wrote:
> I got it. It is because the allocation flag of the metadata's page cache,
> which is stored in
> the btree inode's i_mapping, was set to be GFP_HIGHUSER_MOVABLE. So if we
> allocate pages for
> btree's page cache, this lockdep warni
On sun, 27 Mar 2011 14:30:55 +0900, Itaru Kitayama wrote:
> Chris' stress test, stress.sh -n 50 -c /mnt/linux-2.6 /mnt gave me another
> lockdep splat
> (see below). I applied your V5 patches on top of the next-rc branch.
I got it. It is because the allocation flag of the metadata's page cache, w
Hi Miao,
Chris' stress test, stress.sh -n 50 -c /mnt/linux-2.6 /mnt gave me another
lockdep splat
(see below). I applied your V5 patches on top of the next-rc branch.
I haven't triggered it in my actual testing, but do you think we can iterate a
list of block
groups in an lockless manner using
Excerpts from Miao Xie's message of 2011-03-24 07:41:31 -0400:
> Changelog V4 -> V5:
> - Fix the race on adding the delayed node to the inode, which is spotted by
> Chris Mason.
> - Merge Chris Mason's incremental patch into this patch.
> - Fix deadlock between readdir() and memory fault, which i
Hi,
there's one thing I want to bring up. It's not related to delayed
functionality itself but to git tree base of the patch.
There's a merge conflict when your patch is applied directly onto
Linus' tree, and not when on Chris' one.
On Thu, Mar 24, 2011 at 07:41:31PM +0800, Miao Xie wrote:
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>