From: Patrick Mansfield <patmans@us.ibm.com>
To: Pat LaVarre <p.lavarre@ieee.org>, axboe@suse.de
Cc: linux-scsi@vger.kernel.org
Subject: Re: [PATCH] mount -w of dvd+rw etc. in vanilla 2.6
Date: Wed, 10 Sep 2003 15:49:29 -0700 [thread overview]
Message-ID: <20030910154929.B3367@beaverton.ibm.com> (raw)
In-Reply-To: <1063224520.3669.115.camel@patehci2>; from p.lavarre@ieee.org on Wed, Sep 10, 2003 at 02:08:40PM -0600
On Wed, Sep 10, 2003 at 02:08:40PM -0600, Pat LaVarre wrote:
> # /sbin/blockdev --setro /dev/scd1
> # /sbin/blockdev --getro /dev/scd1
> 1
> # dd of=/dev/scd1 if=/dev/zero bs=2K count=1
> dd: opening `/dev/scd1': Read-only file system
> #
>
> So far so good, but then:
>
> # /sbin/blockdev --setrw /dev/scd1
> # /sbin/blockdev --getro /dev/scd1
> 0
> # dd of=/dev/scd1 if=/dev/zero bs=2K count=1
> dd: opening `/dev/scd1': Read-only file system
> #
>
> That is, no matter if --getro is 0 or 1, still we do not write. The
> default I see here is 0, but still I cannot write.
Should sd.c and sr.c be calling set_device_ro (after adding a read only
block device, or changing back to read/write)?
-- Patrick Mansfield
next prev parent reply other threads:[~2003-09-10 22:50 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-09 19:49 [2.6-test] Bug in usb-storage or scsi? Georgi Chorbadzhiyski
2003-09-09 20:51 ` [linux-usb-devel] " Alan Stern
2003-09-09 21:17 ` Georgi Chorbadzhiyski
2003-09-10 16:23 ` Alan Stern
2003-09-10 18:16 ` [usb-storage] " Pat LaVarre
2003-09-10 18:49 ` sg MiB writes scheduling while atomic Pat LaVarre
2003-09-10 19:30 ` Pat LaVarre
2003-09-16 6:35 ` Douglas Gilbert
2003-09-16 11:42 ` Matthew Wilcox
2003-09-16 12:58 ` Christoph Hellwig
2003-10-14 23:36 ` Pat LaVarre
2003-09-10 20:08 ` [PATCH] mount -w of dvd+rw etc. in vanilla 2.6 Pat LaVarre
2003-09-10 22:49 ` Patrick Mansfield [this message]
2003-09-22 14:52 ` max GiB written per boot Pat LaVarre
2003-09-10 20:51 ` unsolicited sense in 2.6.0-test5 usb-storage.ko Pat LaVarre
2003-09-10 21:03 ` [usb-storage] " Alan Stern
2003-09-10 21:24 ` Pat LaVarre
2003-09-10 21:52 ` Matthew Dharm
2003-09-10 22:08 ` Pat LaVarre
2003-09-12 0:21 ` Pat LaVarre
2003-09-12 0:29 ` Pat LaVarre
2003-09-16 11:28 ` Douglas Gilbert
2003-09-11 0:02 ` [linux-usb-devel] [2.6-test] Bug in usb-storage or scsi? Patrick Mansfield
2003-09-11 20:04 ` [usb-storage] " Pat LaVarre
2003-09-11 20:05 ` Alan Stern
2003-09-11 20:19 ` James Bottomley
2003-09-12 21:17 ` Alan Stern
2003-09-11 20:42 ` Pat LaVarre
2003-09-11 23:18 ` [PATCH] 2.4.22 precedes 0.9.9 in module-init-tools of course Pat LaVarre
2003-09-12 19:59 ` [linux-usb-devel] [2.6-test] Bug in usb-storage or scsi? Alan Stern
2003-09-12 19:18 ` Pat LaVarre
2003-09-12 18:43 ` Pat LaVarre
2003-09-12 20:56 ` Patrick Mansfield
2003-09-12 21:53 ` Pat LaVarre
-- strict thread matches above, loose matches on Subject: below --
2003-09-04 22:36 [PATCH] mount -w of dvd+rw etc. in vanilla 2.6 Pat LaVarre
2003-08-18 18:56 Pat LaVarre
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