From: Kevin Wolf <kwolf@redhat.com>
To: Samuel Thibault <samuel.thibault@gnu.org>
Cc: damien@zamaudio.com, John Snow <jsnow@redhat.com>,
qemu-devel@nongnu.org, qemu-block@nongnu.org
Subject: Re: [PATCH] ide: Cap LBA28 capacity announcement to 2^28-1
Date: Wed, 20 Oct 2021 10:57:58 +0200 [thread overview]
Message-ID: <YW/aFkIM67jtd28X@redhat.com> (raw)
In-Reply-To: <20211005235713.iodzsdcfazo6gtme@begin>
Am 06.10.2021 um 01:57 hat Samuel Thibault geschrieben:
> Ping?
>
> Samuel Thibault, le mar. 24 août 2021 12:43:44 +0200, a ecrit:
> > The LBA28 capacity (at offsets 60/61 of identification) is supposed to
> > express the maximum size supported by LBA28 commands. If the device is
> > larger than this, we have to cap it to 2^28-1.
> >
> > At least NetBSD happens to be using this value to determine whether to use
> > LBA28 or LBA48 for its commands, using LBA28 for sectors that don't need
> > LBA48. This commit thus fixes NetBSD access to disks larger than 128GiB.
> >
> > Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Thanks, applied to the block branch. (I hope John doesn't have a problem
with me stealing this patch from his maintainership area.)
Kevin
prev parent reply other threads:[~2021-10-20 9:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-24 10:43 [PATCH] ide: Cap LBA28 capacity announcement to 2^28-1 Samuel Thibault
2021-09-05 7:30 ` Samuel Thibault
2021-10-05 23:57 ` Samuel Thibault
2021-10-20 8:57 ` Kevin Wolf [this message]
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