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

From: Sage Weil
Subject: [Qemu-devel] [PATCH 0/4] More RBD updates
Date: Thu, 15 Sep 2011 14:11:07 -0700


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).


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(-)


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