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From: Paolo Bonzini <pbonzini@redhat.com>
To: Eric Blake <eblake@redhat.com>
Cc: kwolf@redhat.com, stefanha@gmail.com, aliguori@us.ibm.com,
	Wenchao Xia <xiawenc@linux.vnet.ibm.com>,
	qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 4/6] libqblock internal used functions
Date: Tue, 04 Sep 2012 15:49:13 +0200	[thread overview]
Message-ID: <504606D9.5070709@redhat.com> (raw)
In-Reply-To: <5045E84C.6030902@redhat.com>

Il 04/09/2012 13:38, Eric Blake ha scritto:
> Since qemu does not support it now, yes, you can ignore it for now.  But
> please make sure that you aren't hard-coding it into the API - that is,
> make sure that the API can someday grow to support larger sector sizes
> with minimal impact to library clients (that is, that new clients aware
> of the new API can target larger sector size once qemu has been patched
> to support larger sector size).

We can support 4k sector disks even if the addressing unit remains 512
bytes, just like in the Linux kernel.

Wenchao, you can add a logical_block_size item to the image info and
make it always return 512.

Paolo

  reply	other threads:[~2012-09-04 13:49 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-03  9:18 [Qemu-devel] [PATCH 0/6] libqblock, qemu block layer library Wenchao Xia
2012-09-03  9:18 ` [Qemu-devel] [PATCH 1/6] libqblock APIs Wenchao Xia
2012-09-03 13:18   ` Paolo Bonzini
2012-09-04  3:15     ` Wenchao Xia
2012-09-04  6:50       ` Paolo Bonzini
2012-09-04  9:05         ` Wenchao Xia
2012-09-10  8:10         ` Wenchao Xia
2012-09-03 13:56   ` Eric Blake
2012-09-03 14:05     ` Paolo Bonzini
2012-09-04  7:05       ` Wenchao Xia
2012-09-04  7:29         ` Paolo Bonzini
2012-09-04  6:42     ` Wenchao Xia
2012-09-04 11:35       ` Eric Blake
2012-09-04 13:47         ` Paolo Bonzini
2012-09-03 19:22   ` Blue Swirl
2012-09-03  9:18 ` [Qemu-devel] [PATCH 2/6] libqblock public type defines Wenchao Xia
2012-09-03 13:13   ` Paolo Bonzini
2012-09-04  2:00     ` Wenchao Xia
2012-09-03 14:20   ` Eric Blake
2012-09-04  7:10     ` Wenchao Xia
2012-09-04  7:37       ` Paolo Bonzini
2012-09-03 19:31   ` Blue Swirl
2012-09-04  7:19     ` Wenchao Xia
2012-09-04  7:38       ` Paolo Bonzini
2012-09-04 19:22         ` Blue Swirl
2012-09-10  8:22           ` Wenchao Xia
2012-09-03  9:18 ` [Qemu-devel] [PATCH 3/6] libqblock error handling Wenchao Xia
2012-09-03 14:22   ` Eric Blake
2012-09-04  7:12     ` Wenchao Xia
2012-09-10  8:20     ` Wenchao Xia
2012-09-03  9:18 ` [Qemu-devel] [PATCH 4/6] libqblock internal used functions Wenchao Xia
2012-09-03 13:18   ` Paolo Bonzini
2012-09-04  3:19     ` Wenchao Xia
2012-09-03 14:28   ` Eric Blake
2012-09-03 15:18     ` Paolo Bonzini
2012-09-04  7:15       ` Wenchao Xia
2012-09-04  7:38         ` Paolo Bonzini
2012-09-04 11:38         ` Eric Blake
2012-09-04 13:49           ` Paolo Bonzini [this message]
2012-09-04 13:51             ` Kevin Wolf
2012-09-10  8:23               ` Wenchao Xia
2012-09-03  9:18 ` [Qemu-devel] [PATCH 5/6] libqblock test example Wenchao Xia
2012-09-03 19:27   ` Blue Swirl
2012-09-03  9:18 ` [Qemu-devel] [PATCH 6/6] libqblock building system Wenchao Xia
2012-09-03 13:10   ` [Qemu-devel] xbzrle migration cache size advise for high memory changes workload ? Alexandre DERUMIER
2012-09-04 14:05     ` Orit Wasserman

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