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(parent: 70d045f) | patch
rbd: skip the copyup when an entire object writing
authorGuangliang Zhao <lucienchao@gmail.com>
Tue, 1 Apr 2014 14:22:15 +0000 (22:22 +0800)
committerIlya Dryomov <idryomov@redhat.com>
Tue, 14 Oct 2014 17:03:29 +0000 (21:03 +0400)
commitc622d226155b12276ae3d29d546f4b314d7cd68c
treece4463c5d7f0b6f53237c184b4d18db3f55826eftree | snapshot (tar.gz zip)
parent70d045f660c7331bce8c9377929b52a9738a12cbcommit | diff
rbd: skip the copyup when an entire object writing

It need to copyup the parent's content when layered writing,
but an entire object write would overwrite it, so skip it.

Signed-off-by: Guangliang Zhao <lucienchao@gmail.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
drivers/block/rbd.c diff | blob | blame | history