Some of the patches in the previous series, that were bugfixes or code
cleanups, are already committed, so the series is a little bit
smaller.
Previous performance graph was wrong because I had a bunch of
debugging options enabled when performing the tests. The following
graph contains a more accurate comparison:
http://xenbits.xen.org/people/royger/plot_indirect_read4k.png
Also, the default number of segments per indirect request has been set
to 32 in order to map them all persistently, but this can be changed
at runtime by the user.
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 | 15 +
drivers/block/xen-blkback/blkback.c | 833 +++++++++++++++---------
drivers/block/xen-blkback/common.h | 120 ++++-
drivers/block/xen-blkback/xenbus.c | 32 +
drivers/block/xen-blkfront.c | 490 ++++++++++++---
include/xen/interface/io/blkif.h | 26 +
6 files changed, 1122 insertions(+), 394 deletions(-)
git://xenbits.xen.org/people/royger/linux.git xen-block-indirect-v1