From: Stefan Hajnoczi <stefanha@gmail.com>
To: Charlie Shepherd <charlie@ctshepherd.com>
Cc: kwolf@redhat.com, pbonzini@redhat.com, gabriel@kerneis.info,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC v2 07/15] Call bdrv->open via a synchronous wrapper in block/snapshot.c
Date: Thu, 29 Aug 2013 17:14:43 +0200 [thread overview]
Message-ID: <20130829151443.GD17744@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1376070245-22557-7-git-send-email-charlie@ctshepherd.com>
On Fri, Aug 09, 2013 at 07:43:57PM +0200, Charlie Shepherd wrote:
> +static int bdrv_snapshot_open(BlockDriverState *bs)
> +{
> + Coroutine *co;
> + struct SnapOp so = {
> + .bs = bs,
> + .ret = NOT_DONE,
> + };
> +
> + co = qemu_coroutine_create(bdrv_snapshot_open_entry);
> + qemu_coroutine_enter(co, &so);
> + while (so.ret == NOT_DONE) {
> + qemu_aio_wait();
> + }
> +
> + return so.ret;
> +}
This is orthogonal to snapshots and should be a generic .bdrv_open()
wrapper called block.c:bdrv_open() (the coroutine version should be
called bdrv_co_open()).
next prev parent reply other threads:[~2013-08-29 15:15 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-09 17:43 [Qemu-devel] [RFC v2 01/15] Add an explanation of when a function should be marked coroutine_fn Charlie Shepherd
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 02/15] Rename qemu_coroutine_self to qemu_coroutine_self_int and add an annotated wrapper Charlie Shepherd
2013-08-14 14:21 ` Stefan Hajnoczi
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 03/15] Explicitly mark BlockDriver function .bdrv_create as coroutine and rename it bdrv_co_create Charlie Shepherd
2013-08-14 14:26 ` Stefan Hajnoczi
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 04/15] Convert .bdrv_open and .bdrv_file_open to coroutine_fn Charlie Shepherd
2013-08-29 12:11 ` Stefan Hajnoczi
2013-08-29 12:16 ` Charlie Shepherd
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 05/15] Make qcow2_open synchronous Charlie Shepherd
2013-08-29 12:29 ` Stefan Hajnoczi
2013-08-29 12:33 ` Stefan Hajnoczi
2013-08-29 12:43 ` Charlie Shepherd
2013-09-04 11:39 ` Stefan Hajnoczi
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 06/15] Explicitly mark BlockDriver functions .bdrv_write and .bdrv_read as coroutine functions Charlie Shepherd
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 07/15] Call bdrv->open via a synchronous wrapper in block/snapshot.c Charlie Shepherd
2013-08-29 15:14 ` Stefan Hajnoczi [this message]
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 08/15] Convert bdrv_create and associated functions to be coroutine_fn Charlie Shepherd
2013-08-29 15:31 ` Stefan Hajnoczi
2013-08-09 17:43 ` [Qemu-devel] [RFC v2 09/15] Add a synchronous wrapper bdrv_sync_rwco Charlie Shepherd
2013-08-29 15:32 ` Stefan Hajnoczi
2013-08-09 17:44 ` [Qemu-devel] [RFC v2 10/15] Convert bdrv_read, bdrv_write and associated functions to coroutine functions Charlie Shepherd
2013-08-09 17:44 ` [Qemu-devel] [RFC v2 11/15] Make bdrv_discard coroutine only and add bdrv_sync_discard Charlie Shepherd
2013-08-09 17:44 ` [Qemu-devel] [RFC v2 12/15] Make bdrv_flush coroutine only and add bdrv_sync_flush Charlie Shepherd
2013-08-09 17:44 ` [Qemu-devel] [RFC v2 13/15] Introduce a run_handler function in qemu-img.c Charlie Shepherd
2013-08-09 17:44 ` [Qemu-devel] [RFC v2 14/15] Add coroutine annotations for qemu_co_rwlock_rdlock and qemu_co_rwlock_wrlock Charlie Shepherd
2013-08-09 17:44 ` [Qemu-devel] [RFC v2 15/15] Add coroutine_fn annotations to nbd_co_* functions Charlie Shepherd
2013-08-14 14:14 ` [Qemu-devel] [RFC v2 01/15] Add an explanation of when a function should be marked coroutine_fn Stefan Hajnoczi
2013-08-29 15:34 ` Stefan Hajnoczi
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