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Re: [Qemu-devel] [PATCH 0/4] More RBD updates

From: Kevin Wolf
Subject: Re: [Qemu-devel] [PATCH 0/4] More RBD updates
Date: Mon, 19 Sep 2011 16:09:17 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2

Am 15.09.2011 23:11, schrieb Sage Weil:
> Hi,
> Here are a few more improvements to the qemu rbd support.  The first 
> patch makes the configuration file handling cleaner (do not error out if 
> /etc/ceph/ceph.conf doesn't exist).  One allows characters in the conf 
> string to be escaped, so you can (for example) specify an ip\:port (':' 
> is used as a delimiter).
> The last patch implements flush when rbd_flush() is available.  This lets 
> us take advantage of write buffering in newer versions of librbd, which 
> improves performance significantly for many workloads (including the 
> trivial qemu-img convert).
> Thanks!
> sage
> Sage Weil (4):
>   rbd: ignore failures when reading from default conf location
>   rbd: allow escaping in config string
>   rbd: update comment heading
>   rbd: call flush, if available
>  block/rbd.c |   83 +++++++++++++++++++++++++++++++++++++++-------------------
>  1 files changed, 56 insertions(+), 27 deletions(-)

Thanks, applied patches 1/3/4, commented on patch 2.


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