This series adds scattered page writeback, which uses one OSD request
to writeback nonconsecutive dirty page within single strip. Scattered
page writeback can increase performance of buffered random writes.
Yan, Zheng (6):
libceph: enlarge max number of operations in OSD request
libceph: move r_reply_op_{len,result} into struct ceph_osd_req_op
libceph: allow reserving operations in OSD request
libceph: add helper that extends numner of operations in OSD request
libceph: add helper that duplicates last extent operation
ceph: scattered page writeback
drivers/block/rbd.c | 2 +-
fs/ceph/addr.c | 209 ++++++++++++++++++++++++----------------
include/linux/ceph/osd_client.h | 17 +++-
net/ceph/osd_client.c | 138 ++++++++++++++++++++++----
4 files changed, 260 insertions(+), 106 deletions(-)
--
2.5.0
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