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From: Alex Tomas <alex@clusterfs.com>
To: cmm@us.ibm.com
Cc: Dmitriy Monakhov <dmonakhov@sw.ru>, linux-ext4@vger.kernel.org
Subject: Re: delayed allocatiou result in Oops
Date: Wed, 20 Jun 2007 12:15:09 +0400	[thread overview]
Message-ID: <4678E20D.6060108@clusterfs.com> (raw)
In-Reply-To: <1182270229.4113.8.camel@dyn9047017103.beaverton.ibm.com>

Mingming Cao wrote:
> Hmm, PageMappedToDisk is probably not sufficient enough for pagesize!
> =blocksize. Is that the reason we need page->private to pass the
> request?

PageMappedToDisk isn't enough in that case, definitely. bh is the way
to track state of each block (this is what i'm implementing now), but
I think current nobh version (per-page flags are used) is valuable.

> That's good to know, thanks for the update. So probably above error case
> handling will be addressed in the new version? 

well, you actually can move that SetPagePrivate() few lines above
(Dmitriy already tested this).

> BTW, can you point me your latest and greatest mballoc patch? I am
> trying to forward port and merge that patch to ext4 patch queue....

I don't have version for mainline yet. will prepare soon. thanks for
your interest.

thanks, Alex

  parent reply	other threads:[~2007-06-20  8:15 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-14  7:23 delayed allocatiou result in Oops Dmitriy Monakhov
2007-06-15  5:14 ` Alex Tomas
2007-06-15 23:16   ` Mingming Cao
2007-06-16  8:02     ` [PATCH] ext4:fix invariant checking in ext4_rebalance_reservation Dmitriy Monakhov
2007-06-18 21:09       ` Mingming Cao
2007-06-19  5:56       ` Dmitry Monakhov
2007-06-16  8:14     ` delayed allocatiou result in Oops Dmitriy Monakhov
2007-06-19  1:01       ` Mingming Cao
2007-06-19  7:11         ` Alex Tomas
2007-06-19  9:16           ` Dmitry Monakhov
2007-06-19  9:36             ` Alex Tomas
2007-06-19 21:50             ` Andreas Dilger
2007-06-19 16:23           ` Mingming Cao
2007-06-19 16:47             ` Aneesh Kumar K.V
2007-06-20  8:15             ` Alex Tomas [this message]
2007-06-20 23:46               ` Mingming Cao
2007-06-21  4:50                 ` Dmitry Monakhov

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