linux-ext4 - Re: [PATCH] ext4: optimize ext4_end

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 8 Apr 2013 23:38:44 +0200
From:	Jan Kara <jack@...e.cz>
To:	Theodore Ts'o <tytso@....edu>
Cc:	Jan Kara <jack@...e.cz>, Dmitry Monakhov <dmonakhov@...nvz.org>,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: optimize ext4_end_io memory usage

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@...e.cz>
SUSE Labs, CR
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html