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authorIlya Dryomov <idryomov@gmail.com>2019-06-05 19:25:11 +0200
committerIlya Dryomov <idryomov@gmail.com>2019-07-08 14:01:45 +0200
commit22e8bd51bb0469d1a524130a057f894ff632376a (patch)
tree1cf2eaf3fac621e7154f58a7915e94db5851744e /mm
parentda5ef6be3467eb2d293790dea69b5b562490715a (diff)
downloadlinux-22e8bd51bb0469d1a524130a057f894ff632376a.tar.bz2
rbd: support for object-map and fast-diff
Speed up reads, discards and zeroouts through RBD_OBJ_FLAG_MAY_EXIST and RBD_OBJ_FLAG_NOOP_FOR_NONEXISTENT based on object map. Invalid object maps are not trusted, but still updated. Note that we never iterate, resize or invalidate object maps. If object-map feature is enabled but object map fails to load, we just fail the requester (either "rbd map" or I/O, by way of post-acquire action). Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions