From: James Bottomley <James.Bottomley@suse.de>
To: bugzilla-daemon@bugzilla.kernel.org
Cc: linux-scsi@vger.kernel.org
Subject: Re: [Bug 13602] some HFS CD-ROM's can't be read
Date: Thu, 28 Oct 2010 10:28:45 -0500 [thread overview]
Message-ID: <1288279725.3043.49.camel@mulgrave.site> (raw)
In-Reply-To: <201010281253.o9SCr5d8024479@demeter1.kernel.org>
On Thu, 2010-10-28 at 12:53 +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=13602
>
>
> Christoph Hellwig <hch@lst.de> changed:
>
> What |Removed |Added
> ----------------------------------------------------------------------------
> Component|HFS/HFSPLUS |SCSI
> AssignedTo|hch@lst.de |linux-scsi@vger.kernel.org
> Product|File System |IO/Storage
Why is this actually a bug? Linux has never supported filesystem block
sizes smaller than device ones ... we don't have the necessary RMW code
for it. The sr driver supports 512 byte sectors but *only* if the CD
was burned with them (which isn't always possible depending on CD
burner) and the reader supports them. I'd need the dmesgs to be sure
but i'd guess READ_CAPACITY on this cd returns 2048 as the block size.
James
next prev parent reply other threads:[~2010-10-28 15:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-13602-11613@https.bugzilla.kernel.org/>
2010-10-28 12:53 ` [Bug 13602] some HFS CD-ROM's can't be read bugzilla-daemon
2010-10-28 15:28 ` James Bottomley [this message]
2010-10-28 16:06 ` bugzilla-daemon
2010-10-28 16:40 ` bugzilla-daemon
2010-10-31 21:17 ` bugzilla-daemon
2012-06-12 9:47 ` bugzilla-daemon
2012-06-12 9:47 ` bugzilla-daemon
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