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-rw-r--r--Documentation/ABI/testing/sysfs-bus-rbd10
1 files changed, 8 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-rbd b/Documentation/ABI/testing/sysfs-bus-rbd
index bcd88eb7ebc..3c17b62899f 100644
--- a/Documentation/ABI/testing/sysfs-bus-rbd
+++ b/Documentation/ABI/testing/sysfs-bus-rbd
@@ -35,8 +35,14 @@ name
pool
- The pool where this rbd image resides. The pool-name pair is unique
- per rados system.
+ The name of the storage pool where this rbd image resides.
+ An rbd image name is unique within its pool.
+
+pool_id
+
+ The unique identifier for the rbd image's pool. This is
+ a permanent attribute of the pool. A pool's id will never
+ change.
size