linux-kernel - Re: [PATCH 0/5] Allow more than PAGESIZE data read in configfs

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

Date:	Mon, 16 Oct 2006 12:24:35 -0700
From:	Chandra Seetharaman <sekharan@...ibm.com>
To:	Joel Becker <Joel.Becker@...cle.com>
Cc:	Andrew Morton <akpm@...l.org>, Greg KH <greg@...ah.com>,
	ckrm-tech@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] Allow more than PAGESIZE data read in configfs

On Sat, 2006-10-14 at 13:10 -0700, Joel Becker wrote:
> On Sat, Oct 14, 2006 at 12:43:51PM -0700, Andrew Morton wrote:
> > On Sat, 14 Oct 2006 01:01:07 -0700
> > Greg KH <greg@...ah.com> wrote:
> > > Argh!!!!
> > > 
> > > Are you going to honestly tell me you have a single attribute in sysfs
> > > that is larger than PAGE_SIZE?
> > 
> > He does not.  It's a matter of reusing existing facilities rather than
> > impementing similar things in multiple places.  The equivalent patch in
> > configfs removed a decent amount of code:
> 
> 	Issues of PAGE_SIZE and attribute size aside, the patch posted
> was incorrect.  While they used seq_file, they implemented it in a

I do not think it is incorrect. It provides a simplest interface to
configfs's clients.

> completely inefficent fashion, filling the entire buffer in one ->show()
> call rather than letting multiple read(2) calls iterate their list.

So, are you suggesting that we should provide a generic seq_operations
interface to configfs's clients ?
 
> 
> Joel
> 
-- 

----------------------------------------------------------------------
    Chandra Seetharaman               | Be careful what you choose....
              - sekharan@...ibm.com   |      .......you may get it.
----------------------------------------------------------------------


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/