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From: Avi Kivity <avi@redhat.com>
To: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
	Anthony Liguori <aliguori@us.ibm.com>,
	qemu-devel@nongnu.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [Qemu-devel] [PATCH 0/7] qed: Add QEMU Enhanced Disk format
Date: Mon, 27 Sep 2010 11:58:37 +0200	[thread overview]
Message-ID: <4CA06ACD.3030406@redhat.com> (raw)
In-Reply-To: <1285256514-21138-1-git-send-email-stefanha@linux.vnet.ibm.com>

  On 09/23/2010 05:41 PM, Stefan Hajnoczi wrote:
> Later patches will address the following points:
>   * Fine-grained L2 cache to allow for better request parallelism.  Allocating
>     write requests are currently serialized.  This will also fix the corner
>     case where a read request to the same sectors as a pending write request
>     looks at the backing file or zeroes instead of using the write request data.

Is this really an issue? AFAIK a read is allowed to pass a previous 
uncompleted write.

-- 
error compiling committee.c: too many arguments to function

  parent reply	other threads:[~2010-09-27 10:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-23 15:41 [Qemu-devel] [PATCH 0/7] qed: Add QEMU Enhanced Disk format Stefan Hajnoczi
2010-09-23 15:41 ` [Qemu-devel] [PATCH 1/7] qcow2: Make get_bits_from_size() common Stefan Hajnoczi
2010-09-23 21:50   ` malc
2010-09-24  8:37     ` Stefan Hajnoczi
2010-09-24 12:56       ` [Qemu-devel] " Paolo Bonzini
2010-09-24 14:18         ` Stefan Hajnoczi
2010-09-23 15:41 ` [Qemu-devel] [PATCH 2/7] cutils: Add bytes_to_str() to format byte values Stefan Hajnoczi
2010-09-23 15:41 ` [Qemu-devel] [PATCH 3/7] cutils: qemu_iovec_copy and qemu_iovec_memset Stefan Hajnoczi
2010-09-23 15:41 ` [Qemu-devel] [PATCH 4/7] qed: Add QEMU Enhanced Disk image format Stefan Hajnoczi
2010-09-23 15:41 ` [Qemu-devel] [PATCH 5/7] qed: Table, L2 cache, and cluster functions Stefan Hajnoczi
2010-09-23 15:41 ` [Qemu-devel] [PATCH 6/7] qed: Read/write support Stefan Hajnoczi
2010-09-27 10:12   ` Avi Kivity
2010-09-27 10:19     ` Stefan Hajnoczi
2010-09-23 15:41 ` [Qemu-devel] [PATCH 7/7] qed: Consistency check support Stefan Hajnoczi
2010-09-27  9:58 ` Avi Kivity [this message]
2010-09-27 10:13 ` [Qemu-devel] [PATCH 0/7] qed: Add QEMU Enhanced Disk format Avi Kivity
2010-09-27 10:15   ` Stefan Hajnoczi

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