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authorIlya Dryomov <ilya.dryomov@inktank.com>2014-07-22 21:53:07 +0400
committerIlya Dryomov <ilya.dryomov@inktank.com>2014-07-25 13:14:27 +0400
commitff96128fb020e26e7b32e12e887013956d840f08 (patch)
treede3cc9d00b9979a2317c9a7d380d1b1f6e3dec66 /Documentation
parent08a0f24e4c62e7dd6b8486903177c1c451819f01 (diff)
downloadblackbird-op-linux-ff96128fb020e26e7b32e12e887013956d840f08.tar.gz
blackbird-op-linux-ff96128fb020e26e7b32e12e887013956d840f08.zip
rbd: show the entire chain of parent images
Make /sys/bus/rbd/devices/<id>/parent show the entire chain of parent images. While at it, kernel sprintf() doesn't return negative values, casting to unsigned long long is no longer necessary and there is no good reason to split into multiple sprintf() calls. Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com> Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-rbd4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-rbd b/Documentation/ABI/testing/sysfs-bus-rbd
index 501adc2a9ec7..2ddd680929d8 100644
--- a/Documentation/ABI/testing/sysfs-bus-rbd
+++ b/Documentation/ABI/testing/sysfs-bus-rbd
@@ -94,5 +94,5 @@ current_snap
parent
- Information identifying the pool, image, and snapshot id for
- the parent image in a layered rbd image (format 2 only).
+ Information identifying the chain of parent images in a layered rbd
+ image. Entries are separated by empty lines.
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