Allow an externally managed array to be marked readonly

If the metadata_version is
    -mdXXX/whatever
rather than
    /mdXXX/whatever

then the array is readonly and should be left alone by mdmon.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/mdmon.h b/mdmon.h
index 6c1961a..b3f4d6e 100644
--- a/mdmon.h
+++ b/mdmon.h
@@ -19,6 +19,7 @@ struct active_array {
 
 	int action_fd;
 	int resync_start_fd;
+	int metadata_fd; /* for monitoring rw/ro status */
 
 	enum array_state prev_state, curr_state, next_state;
 	enum sync_action prev_action, curr_action, next_action;