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authorIlya Dryomov <ilya.dryomov@inktank.com>2013-12-13 15:28:57 +0200
committerIlya Dryomov <ilya.dryomov@inktank.com>2013-12-31 20:31:57 +0200
commitdd82fff1e8e7b486887dd88981776bb44e370848 (patch)
tree6a636427042f14379189f5141467f7de7e79cd1c /Documentation/ABI
parentf8a22fc238a449ff982bfb40e30c3f3c9c90a08a (diff)
downloadlinux-dd82fff1e8e7b486887dd88981776bb44e370848.tar.gz
rbd: add 'minor' sysfs rbd device attribute
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>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-rbd4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-rbd b/Documentation/ABI/testing/sysfs-bus-rbd
index 0a306476424e..17b119c692da 100644
--- a/Documentation/ABI/testing/sysfs-bus-rbd
+++ b/Documentation/ABI/testing/sysfs-bus-rbd
@@ -33,6 +33,10 @@ major
 
 	The block device major number.
 
+minor
+
+	The block device minor number.  (December 2013, since 3.14.)
+
 name
 
 	The name of the rbd image.