glusterd/mgmt_v3 locks: Using snaps as an entity for mgmt_v3 locks.

Created framework to process single volume lock, single snap lock,
multiple volume locks, multiple snap locks, and multiple snap and
volume locks requests.

Change-Id: I3f87bdec0bf142d6a1fd3f9d9f5012cc44eaf4bd
Signed-off-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-on: http://review.gluster.org/7189
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Tested-by: Rajesh Joseph <rjoseph@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/xlators/mgmt/glusterd/src/glusterd-locks.h b/xlators/mgmt/glusterd/src/glusterd-locks.h
index 9ca332fe9..83eb8c997 100644
--- a/xlators/mgmt/glusterd/src/glusterd-locks.h
+++ b/xlators/mgmt/glusterd/src/glusterd-locks.h
@@ -19,6 +19,14 @@ typedef struct mgmt_v3_lock_object_ {
         uuid_t              lock_owner;
 } mgmt_v3_lock_obj;
 
+typedef struct mgmt_v3_lock_valid_entities {
+        char          *type;          /* Entity type like vol, snap */
+        gf_boolean_t   default_value; /* The default value that  *
+                                       * determines if the locks *
+                                       * should be held for that *
+                                       * entity */
+} valid_entities;
+
 int32_t
 glusterd_mgmt_v3_lock_init ();