doc/dev/osd_internals: fix sphinx warnings

silence following warnings:

erasure_coding.rst:77: WARNING: toctree contains reference to
nonexisting document u'dev/osd_internals/erasure_coding/pgbackend'

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/doc/dev/osd_internals/erasure_coding.rst b/doc/dev/osd_internals/erasure_coding.rst
index 9d273cbea5f56b6116b7d576ca2b41e634aa9838..7263cc35b67152194dcde112d1143f3467d1b20c 100644 (file)
--- a/doc/dev/osd_internals/erasure_coding.rst
+++ b/doc/dev/osd_internals/erasure_coding.rst
@@ -79,4 +79,4 @@ Table of content
 
    Developer notes <erasure_coding/developer_notes>
    Jerasure plugin <erasure_coding/jerasure>
-   High level design document <erasure_coding/pgbackend>
+   High level design document <erasure_coding/ecbackend>