X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmdt%2Fmdt_internal.h;h=342f8d33e0246cdaf7b4eb9e93416751be6441b0;hb=388a185eace0e6b16a5f7fa3a373c9c93cac12bc;hp=b11a29f7a33f7939e6bf57d5218a74697a5a4c31;hpb=50e1a93386b05de89774d0a4a26c954aa3e1b4ab;p=fs%2Flustre-release.git

diff --git a/lustre/mdt/mdt_internal.h b/lustre/mdt/mdt_internal.h
index b11a29f..342f8d3 100644
--- a/lustre/mdt/mdt_internal.h
+++ b/lustre/mdt/mdt_internal.h
@@ -309,7 +309,12 @@ struct mdt_device {
 				   mdt_readonly:1,
 				   mdt_skip_lfsck:1,
 				   /* dir restripe migrate dirent only */
-				   mdt_dir_restripe_nsonly:1;
+				   mdt_dir_restripe_nsonly:1,
+				   /* this is enabled by default, but once an
+				    * old client joins, disable this to handle
+				    * inherited default LMV on server.
+				    */
+				   mdt_enable_dmv_implicit_inherit:1;
 
 				   /* user with gid can create remote/striped
 				    * dir, and set default dir stripe */
@@ -346,6 +351,9 @@ struct mdt_device {
 	struct mdt_object	  *mdt_md_root;
 
 	struct mdt_dir_restriper   mdt_restriper;
+
+	/* count of old clients that doesn't support DMV implicite inherit */
+	atomic_t		   mdt_dmv_old_client_count;
 };
 
 #define MDT_SERVICE_WATCHDOG_FACTOR	(2)