[CRIU] [PATCH 4/5] doc: add documentation for new mount flags

[Tycho Andersen]

Signed-off-by: Tycho Andersen <tycho.andersen at canonical.com>
---
 Documentation/criu.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/criu.txt b/Documentation/criu.txt
index f9fe282..d2a4f5b 100644
--- a/Documentation/criu.txt
+++ b/Documentation/criu.txt
@@ -162,6 +162,15 @@ OPTIONS
     VAL is the path on host that will be bind-mounted into container
     (to the mountpoint path from image)
 
+    A special case is `--ext-mount-map auto`. If this flag is passed, when an
+    external mount is missing from the command line --ext-mount-map KEY:VAL
+    syntax, criu attempts to automatically resolve this mount from its
+    namespace.
+
+*--enable-external-sharing*, *--enable-external-masters*::
+    These flags enable external shared or slave mounts to be resolved
+    automatically when `--ext-mount-map auto` is passed.
+
 *--action-script* 'SCRIPT'::
     Add an external action script.
     The environment variable *CRTOOLS_SCRIPT_ACTION* contains one of the
-- 
2.1.0