doc/glossary: Add link to CRUSH paper

Add a link in the CRUSH definition to the original CRUSH paper.

Signed-off-by: Zac Dover <zac.dover@proton.me>
(cherry picked from commit aa1e6352d0c2c77c299a16f93e16e83903fb9d54)

diff --git a/doc/glossary.rst b/doc/glossary.rst
index 7f9d27f8c7523ca46a97f66cd00a4519746d3174..d6a3a97a275f7362b02589fbe330620032dbf4c1 100644 (file)
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -216,7 +216,9 @@
        CRUSH
                 **C**\ontrolled **R**\eplication **U**\nder **S**\calable
                 **H**\ashing. The algorithm that Ceph uses to compute object
-                storage locations.
+                storage locations. See `CRUSH: Controlled, Scalable,
+                Decentralized Placement of Replicated Data
+                <https://ceph.com/assets/pdfs/weil-crush-sc06.pdf>`_.
 
        CRUSH rule
                 The CRUSH data placement rule that applies to a particular