From: Jan Kara <jack@suse.cz>
To: Theodore Ts'o <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>, Dmitry Monakhov <dmonakhov@openvz.org>,
linux-ext4@vger.kernel.org
Subject: Re: [PATCH] ext4: optimize ext4_end_io memory usage
Date: Mon, 8 Apr 2013 23:38:44 +0200 [thread overview]
Message-ID: <20130408213844.GC25878@quack.suse.cz> (raw)
In-Reply-To: <20130408171052.GB4598@thunk.org>
On Mon 08-04-13 13:10:52, Ted Tso wrote:
> On Fri, Apr 05, 2013 at 11:35:14AM +0200, Jan Kara wrote:
> > On Mon 01-04-13 09:17:48, Dmitry Monakhov wrote:
> > > ext4_end_io->pages array has is used only for buffered writes and usless
> > > in case of DIO. This patch allow us to save 1K for each DIO request.
> > I have actually a more complete solution to this in my patch queue -
> > there isn't any need to reference pages from io_end after my patches.
> > Hopefully I'll be able to send things out later today...
>
> Hi Jan,
>
> Did you have a chance to send out your patches?
Not on Friday but the patch bomb has landed just now (finally I was able
to sort out all the failures in dioread_nolock mode). I'd just note that
my version of Dmitry's patch is patch 1/29.
Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
prev parent reply other threads:[~2013-04-08 21:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-01 5:17 [PATCH] ext4: optimize ext4_end_io memory usage Dmitry Monakhov
2013-04-05 9:35 ` Jan Kara
2013-04-08 17:10 ` Theodore Ts'o
2013-04-08 21:38 ` Jan Kara [this message]
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