rbd: add 'minor' sysfs rbd device attribute

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Introduce /sys/bus/rbd/devices/<id>/minor sysfs attribute for exporting
rbd whole disk minor numbers.  This is a step towards single-major
device number allocation scheme, but also a good thing on its own.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

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Ilya Dryomov 2013-12-13 15:28:57 +02:00

parent f8a22fc238

commit dd82fff1e8

2 changed files with 16 additions and 1 deletions

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4

Documentation/ABI/testing/sysfs-bus-rbd

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13

drivers/block/rbd.c

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