From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 02/10] block: add .bdrv_co_is_allocated()
Date: Mon, 14 Nov 2011 08:32:27 +0100 [thread overview]
Message-ID: <j9qg6c$lor$1@dough.gmane.org> (raw)
In-Reply-To: <CAEH94LjSnvq1i-9rJTeTYsQXtdNPXXT3ES1g8pDkkSTxAW4d6A@mail.gmail.com>
On 11/14/2011 04:04 AM, Zhi Yong Wu wrote:
>> > + co = qemu_coroutine_create(bdrv_is_allocated_co_entry);
>> > + qemu_coroutine_enter(co,&data);
> Since this main process will stop within qemu_coroutine_enter() until
> bdrv_is_allocated_co_entry() is completed, three lines of condition
> codes below are unnecessary, right?
No, they are necessary. They are executed when
bdrv_is_allocated_co_entry calls qemu_coroutine_yield.
>> > + while (!data.done) {
>> > + qemu_aio_wait();
>> > + }
Paolo
next prev parent reply other threads:[~2011-11-14 7:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-11 16:47 [Qemu-devel] [PATCH 00/10] block: replace .bdrv_is_allocated() with .bdrv_co_is_allocated() Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 01/10] block: use public bdrv_is_allocated() interface Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 02/10] block: add .bdrv_co_is_allocated() Stefan Hajnoczi
2011-11-14 3:04 ` Zhi Yong Wu
2011-11-14 7:32 ` Paolo Bonzini [this message]
2011-11-14 8:10 ` Zhi Yong Wu
2011-11-14 8:37 ` Paolo Bonzini
2011-11-14 8:53 ` Zhi Yong Wu
2011-11-14 8:50 ` Kevin Wolf
2011-11-14 8:50 ` Zhi Yong Wu
2011-11-11 16:47 ` [Qemu-devel] [PATCH 03/10] qed: convert to .bdrv_co_is_allocated() Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 04/10] block: convert qcow2, qcow2, and vmdk " Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 05/10] vvfat: use public block layer interface Stefan Hajnoczi
2011-11-11 16:59 ` Kevin Wolf
2011-11-14 11:47 ` Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 06/10] vvfat: convert to .bdrv_co_is_allocated() Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 07/10] vdi: " Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 08/10] cow: " Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 09/10] block: drop .bdrv_is_allocated() interface Stefan Hajnoczi
2011-11-11 16:47 ` [Qemu-devel] [PATCH 10/10] block: add bdrv_co_is_allocated() interface Stefan Hajnoczi
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