From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Douglas Gilbert <dgilbert@interlog.com>,
Luciano Rocha <luciano@eurotux.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
Linux-Kernel <linux-kernel@vger.kernel.org>,
USB list <linux-usb@vger.kernel.org>,
SCSI development list <linux-scsi@vger.kernel.org>
Subject: Re: usb hdd problems with 2.6.27.2
Date: Mon, 27 Oct 2008 10:33:12 -0500 [thread overview]
Message-ID: <1225121592.5146.9.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0810271117530.4059-100000@iolanthe.rowland.org>
On Mon, 2008-10-27 at 11:25 -0400, Alan Stern wrote:
> On Mon, 27 Oct 2008, Douglas Gilbert wrote:
> > BTW a single disk in RAID 0 (seen on a HP E200 controller)
> > has a shortened capacity value seen in the midlevel on the
> > corresponding logical drive. That missing chunk is probably
> > where the RAID controller puts its control information.
> > Anyway, playing with the capacity value returned by READ
> > CAPACITY certainly has a precedent.
>
> usb-storage isn't in the business of altering the data it gets from a
> device. It's just a transport. That's why the sdev->fix_capacity flag
> exists; we tell the upper layer that the data it gets is going to be
> wrong and let the upper layer worry about fixing things up.
And you do this by setting US_FL_FIX_CAPACITY in unusual_devs.h
James
next prev parent reply other threads:[~2008-10-27 15:33 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-22 16:22 usb hdd problems with 2.6.27.2 Luciano Rocha
2008-10-25 19:25 ` Rafael J. Wysocki
[not found] ` <200810252125.44184.rjw-KKrjLPT3xs0@public.gmane.org>
2008-10-25 19:50 ` Alan Stern
2008-10-25 19:50 ` Alan Stern
2008-10-25 20:11 ` James Bottomley
2008-10-26 14:05 ` Luciano Rocha
2008-10-27 11:14 ` Luciano Rocha
2008-10-27 11:28 ` Luciano Rocha
2008-10-27 11:28 ` Luciano Rocha
[not found] ` <20081027112803.GA4398-oEplIgxCSygGFt9iVWuREaMaJEuR8uiQ@public.gmane.org>
2008-10-27 14:24 ` Alan Stern
2008-10-27 14:24 ` Alan Stern
2008-10-27 14:56 ` Douglas Gilbert
[not found] ` <4905D68D.7030407-qazKcTl6WRFWk0Htik3J/w@public.gmane.org>
2008-10-27 15:08 ` Boaz Harrosh
2008-10-27 15:08 ` Boaz Harrosh
[not found] ` <4905D986.6050001-C4P08NqkoRlBDgjK7y7TUQ@public.gmane.org>
2008-10-27 16:26 ` Kay Sievers
2008-10-27 16:26 ` Kay Sievers
2008-10-27 15:25 ` Alan Stern
2008-10-27 15:33 ` James Bottomley [this message]
2008-10-27 15:18 ` Luciano Rocha
2008-10-27 15:18 ` Luciano Rocha
2008-10-27 15:38 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.0810271134530.15462-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2008-10-27 16:53 ` Luciano Rocha
2008-10-27 16:53 ` Luciano Rocha
[not found] ` <20081027165306.GA3875-oEplIgxCSygGFt9iVWuREaMaJEuR8uiQ@public.gmane.org>
2008-10-27 20:10 ` Alan Stern
2008-10-27 20:10 ` Alan Stern
2008-10-28 16:37 ` Luciano Rocha
2008-10-28 16:37 ` Luciano Rocha
[not found] ` <20081028163722.GA4374-oEplIgxCSygGFt9iVWuREaMaJEuR8uiQ@public.gmane.org>
2008-10-28 17:38 ` Alan Stern
2008-10-28 17:38 ` Alan Stern
2008-11-03 15:52 ` Luciano Rocha
2008-11-03 15:52 ` Luciano Rocha
[not found] ` <20081103155254.GA3368-oEplIgxCSygGFt9iVWuREaMaJEuR8uiQ@public.gmane.org>
2008-11-03 19:46 ` Alan Stern
2008-11-03 19:46 ` Alan Stern
2008-11-05 10:26 ` Luciano Rocha
2008-11-05 10:26 ` Luciano Rocha
2008-11-05 16:51 ` Alan Stern
2008-11-13 17:10 ` Luciano Rocha
2008-10-27 20:36 ` Alan Stern
2008-10-27 20:36 ` Alan Stern
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1225121592.5146.9.camel@localhost.localdomain \
--to=james.bottomley@hansenpartnership.com \
--cc=dgilbert@interlog.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=luciano@eurotux.com \
--cc=rjw@sisk.pl \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.