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From: Paolo Bonzini <pbonzini@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-block@nongnu.org, mreitz@redhat.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 0/9] block-backend: Use coroutine for flush/discard/ioctl
Date: Thu, 20 Oct 2016 10:37:01 -0400 (EDT)	[thread overview]
Message-ID: <1553719312.5624034.1476974221561.JavaMail.zimbra@redhat.com> (raw)
In-Reply-To: <1476971169-31604-1-git-send-email-kwolf@redhat.com>



----- Original Message -----
> From: "Kevin Wolf" <kwolf@redhat.com>
> To: qemu-block@nongnu.org
> Cc: kwolf@redhat.com, mreitz@redhat.com, pbonzini@redhat.com, qemu-devel@nongnu.org
> Sent: Thursday, October 20, 2016 3:46:00 PM
> Subject: [PATCH 0/9] block-backend: Use coroutine for flush/discard/ioctl
> 
> Paolo, this is my attempt at implementing what you were asking for last
> Friday.
> I converted blk_(co_)flush/pdiscard/ioctl so that all interfaces (coroutine,
> AIO, sync) go through the same coroutine-based function already on the
> BlockBackend level. Where it was reasonably easy, I also removed the
> corresponding emulations from block/io.c IIUC, this should cover your
> immediate
> needs.
> 
> 
> Function to remove this series leaves for another day:
> 
> * bdrv_aio_flush (used by blkdebug, blkverify, qed)
> * bdrv_flush (even more users)
> * bdrv_pdiscard (used by qcow2)
> 
> 
> BlockDriver callbacks to remove left for another day:
> 
> * bdrv_aio_pdiscard (implemented by raw-posix and rbd)
> * bdrv_aio_ioctl (implemented by raw-posix and iscsi)
> 
> In both cases, raw-posix is trivial to covert, but iscsi and rbd feel rather
> scary without a proper test setup.

Thanks!

Paolo

  parent reply	other threads:[~2016-10-20 14:37 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-20 13:46 [Qemu-devel] [PATCH 0/9] block-backend: Use coroutine for flush/discard/ioctl Kevin Wolf
2016-10-20 13:46 ` [Qemu-devel] [PATCH 1/9] block: Use blk_co_flush() for all BB level flushes Kevin Wolf
2016-10-20 16:13   ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 2/9] block: Use blk_co_pdiscard() for all BB level discard Kevin Wolf
2016-10-20 16:18   ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 3/9] block: Remove bdrv_aio_pdiscard() Kevin Wolf
2016-10-20 17:32   ` Eric Blake
2016-10-21 10:59     ` Kevin Wolf
2016-10-21 13:45       ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 4/9] block: Use blk_co_ioctl() for all BB level ioctls Kevin Wolf
2016-10-20 17:40   ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 5/9] raw-posix: Don't use bdrv_ioctl() Kevin Wolf
2016-10-20 17:45   ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 6/9] block: Remove bdrv_ioctl() Kevin Wolf
2016-10-20 17:47   ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 7/9] block: Introduce .bdrv_co_ioctl() driver callback Kevin Wolf
2016-10-20 17:51   ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 8/9] raw: Implement .bdrv_co_ioctl instead of .bdrv_aio_ioctl Kevin Wolf
2016-10-20 17:52   ` Eric Blake
2016-10-20 13:46 ` [Qemu-devel] [PATCH 9/9] block: Remove bdrv_aio_ioctl() Kevin Wolf
2016-10-20 17:53   ` Eric Blake
2016-10-20 14:37 ` Paolo Bonzini [this message]
2016-10-20 15:20 ` [Qemu-devel] [PATCH 0/9] block-backend: Use coroutine for flush/discard/ioctl no-reply

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