rbd: move to obj_req->img_extents

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In preparation for rbd "fancy" striping, replace obj_req->img_offset
with obj_req->img_extents.  A single starting offset isn't sufficient
because we want only one OSD request per object and will merge adjacent
object extents in ceph_file_to_extents().  The final object extent may
map into multiple different byte ranges in the image.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

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This commit is contained in:

Ilya Dryomov 2018-02-06 19:26:33 +01:00

parent 43df3d35c0

commit 86bd7998fa

1 changed files with 98 additions and 52 deletions

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150

drivers/block/rbd.c

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