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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Richard W.M. Jones" <rjones@redhat.com>,
	Mykola Ivanets <stenavin@gmail.com>,
	qemu-devel@nongnu.org, qemu-block@nongnu.org
Cc: libguestfs@redhat.com
Subject: Re: [Libguestfs] [RFC] lib: allow to specify physical/logical block size for disks
Date: Mon, 10 Feb 2020 20:10:27 +0100	[thread overview]
Message-ID: <af985d09-814c-da79-a245-8425f721dd8b@redhat.com> (raw)
In-Reply-To: <20200210114316.GW3888@redhat.com>

On 10/02/20 12:43, Richard W.M. Jones wrote:
> So it appears that we should just have one blocksize control (maybe
> called "sectorsize"?) which sets both physical_block_size and
> logical_block_size to the same value.  It may also be worth enforcing
> that blocksize/sectorsize must be set to 512 or 4096 (which we can
> relax later if necessary).

Yes, physical_sector_size is basically a hint to the OS and is of rather
limited usefulness.

Paolo



      parent reply	other threads:[~2020-02-10 19:11 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200207232528.13461-1-stenavin@gmail.com>
2020-02-10 11:43 ` [Libguestfs] [RFC] lib: allow to specify physical/logical block size for disks Richard W.M. Jones
2020-02-10 12:28   ` Nikolay Ivanets
2020-02-10 13:02     ` Richard W.M. Jones
2020-02-10 13:52       ` Nikolay Ivanets
2020-02-10 13:48   ` Kevin Wolf
2020-02-10 14:15     ` Nikolay Ivanets
2020-02-10 14:41       ` Richard W.M. Jones
2020-02-10 19:10   ` Paolo Bonzini [this message]

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