branch: HEAD

[fs/lustre-release.git] / lustre / include / lustre_disk.h

diff --git a/lustre/include/lustre_disk.h b/lustre/include/lustre_disk.h
index 9a81b46..69baf77 100644 (file)
--- a/lustre/include/lustre_disk.h
+++ b/lustre/include/lustre_disk.h
@@ -121,7 +121,8 @@ struct lustre_disk_data {
         __u32      ldd_svindex;         /* server index (0001), must match
                                            svname */
         __u32      ldd_mount_type;      /* target fs type LDD_MT_* */
-        char       ldd_fsname[64];      /* filesystem this server is part of */
+        char       ldd_fsname[64];      /* filesystem this server is part of,
+                                           MTI_NAME_MAXLEN */
         char       ldd_svname[64];      /* this server's name (lustre-mdt0001)*/
         __u8       ldd_uuid[40];        /* server UUID (COMPAT_146) */
 
@@ -222,6 +223,8 @@ struct lustre_mount_data {
 #define OBD_COMPAT_OST          0x00000002
 /** COMPAT_146: this is an MDT (temporary) */
 #define OBD_COMPAT_MDT          0x00000004
+/** 2.0 server, interop flag to show server version is changed */
+#define OBD_COMPAT_20           0x00000008
 
 /** MDS handles LOV_OBJID file */
 #define OBD_ROCOMPAT_LOVOBJID   0x00000001
@@ -236,10 +239,12 @@ struct lustre_mount_data {
 #define OBD_INCOMPAT_COMMON_LR  0x00000008
 /** FID is enabled */
 #define OBD_INCOMPAT_FID        0x00000010
-/**
- * lustre disk using iam format to store directory entries
- */
-#define OBD_INCOMPAT_IAM_DIR    0x00000020
+/** Size-on-MDS is enabled */
+#define OBD_INCOMPAT_SOM        0x00000020
+/** filesystem using iam format to store directory entries */
+#define OBD_INCOMPAT_IAM_DIR    0x00000040
+/** LMA attribute contains per-inode incompatible flags */
+#define OBD_INCOMPAT_LMA        0x00000080
 
 
 /* Data stored per server at the head of the last_rcvd file.  In le32 order.