rbd: add ioctl for rbd

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When running the following commands:
    [root@ceph0 mnt]# blockdev --setro /dev/rbd1
    [root@ceph0 mnt]# blockdev --getro /dev/rbd1
    0

The block setro didn't take effect, it is because
the rbd doesn't support ioctl of block driver.

This resolves:
	http://tracker.ceph.com/issues/6265

Signed-off-by: Guangliang Zhao <guangliang@unitedstack.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

...

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Guangliang Zhao 2013-09-24 11:25:36 +08:00 • committed by Josh Durgin

parent 4e217b5dc8

commit 131fd9f6fc

1 changed files with 60 additions and 2 deletions

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62

drivers/block/rbd.c

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