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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
