rgw: add 'rgw log http headers' gloss to config-ref.rst

Explain the option for upstream doc.

Signed-off-by: Matt Benjamin <mbenjamin@redhat.com>
(cherry picked from commit 04bf0f8ca1dfb949bc912b93a4ff84bf8bac57aa)

diff --git a/doc/radosgw/config-ref.rst b/doc/radosgw/config-ref.rst
index b8e4b449558992aad50d2421e82d11f9bf71a2d3..44da04c2fc3e975ad6facb62403c04aacdb41285 100644 (file)
--- a/doc/radosgw/config-ref.rst
+++ b/doc/radosgw/config-ref.rst
@@ -929,6 +929,17 @@ Logging Settings
 :Default: ``30``
 
 
+``rgw log http headers``
+
+:Description: Comma-delimited list of HTTP headers to include with ops
+             log entries.  Header names are case insensitive, and use
+             the full header name with words separated by underscores.
+
+:Type: String
+:Default: None
+:Example: "http_x_forwarded_for, http_x_special_k"
+
+
 ``rgw intent log object name``
 
 :Description: The logging format for the intent log object name. See manpage