linux-kernel - Re: [PATCHSET] libata: implement ->set

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:	Thu, 13 May 2010 18:13:00 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	James Bottomley <James.Bottomley@...e.de>
Cc:	Tejun Heo <tj@...nel.org>, jeff@...zik.org,
	linux-ide@...r.kernel.org, jens.axboe@...cle.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	ben@...adent.org.uk
Subject: Re: [PATCHSET] libata: implement ->set_capacity()

On Thu, 13 May 2010 11:38:07 -0500
James Bottomley <James.Bottomley@...e.de> wrote:

> On Thu, 2010-05-13 at 18:22 +0200, Tejun Heo wrote:
> > > Instead of just saying unlock the HPA and show me the new capacity
> > > (with a rescan), you have to echo the right number of sectors to the
> > > set_capacity variable.  Isn't a hpa_unlock libata specific attribute
> > > better (you could even call BLKRRPART from the user context of the
> > > write)?
> > 
> > Hmmm... I lost you.  What are you talking about?
> 
> Instead of making this a block sysfs attribute, since HPA is SATA only,
> why not make it a libata attribute for the disk?

HPA is both PATA and SATA (and USB SCSI pass through ATA over SCSI etc
with some of the more functional USB/ATA bridges.

--
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/