[PATCH v2 0/7] xen-block: indirect descriptors

[Roger Pau Monne <roger.pau@citrix.com>]

Implementation of indirect descriptors v2, addressing Konrad's 
comments. A graph on performance can be found at:

http://xenbits.xen.org/people/royger/plot_indirect_read4k.png

Thanks for the review, Roger.

Roger Pau Monne (7):
      xen-blkback: print stats about persistent grants
      xen-blkback: use balloon pages for all mappings
      xen-blkback: implement LRU mechanism for persistent grants
      xen-blkback: move pending handles list from blkbk to pending_req
      xen-blkback: make the queue of free requests per backend
      xen-blkback: expand map/unmap functions
      xen-block: implement indirect descriptors

 Documentation/ABI/stable/sysfs-bus-xen-backend |   18 +
 drivers/block/xen-blkback/blkback.c            |  844 +++++++++++++++---------
 drivers/block/xen-blkback/common.h             |  145 ++++-
 drivers/block/xen-blkback/xenbus.c             |   39 ++
 drivers/block/xen-blkfront.c                   |  491 ++++++++++++---
 include/xen/interface/io/blkif.h               |   48 ++
 6 files changed, 1186 insertions(+), 399 deletions(-)

git://xenbits.xen.org/people/royger/linux.git xen-block-indirect-v2