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-rw-r--r--glance_store/_drivers/filesystem.py12
1 files changed, 7 insertions, 5 deletions
diff --git a/glance_store/_drivers/filesystem.py b/glance_store/_drivers/filesystem.py
index aa77e24..ff633f1 100644
--- a/glance_store/_drivers/filesystem.py
+++ b/glance_store/_drivers/filesystem.py
@@ -110,11 +110,13 @@ Related options:
help="""
Filesystem store metadata file.
-The path to a file which contains the metadata to be returned with
-any location associated with the filesystem store. The file must
-contain a valid JSON object. The object should contain the keys
-``id`` and ``mountpoint``. The value for both keys should be a
-string.
+The path to a file which contains the metadata to be returned with any location
+associated with the filesystem store. Once this option is set, it is used for
+new images created afterward only - previously existing images are not
+affected.
+
+The file must contain a valid JSON object. The object should contain the keys
+``id`` and ``mountpoint``. The value for both keys should be a string.
Possible values:
* A valid path to the store metadata file