Hi, I am sorry that didn't notice Jean-Tiare's mail at all, just sage's reminds me. There are 3 patches, the first is optimization for rbd writing, the remaining two are support for rbd discard. If you have completed the discard things, just ignore them. Guangliang Zhao (3): rbd: skip the copyup when an entire object writing rbd: extend the operation type rbd: add discard support for rbd drivers/block/rbd.c | 190 +++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 154 insertions(+), 36 deletions(-) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html