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LU-8837 utils: move lustre_disk_data back to lustre_disk.h
[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_disk.h
index 7df1c63..54f73fd 100644 (file)
@@ -27,9 +27,6 @@
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * uapi/linux/lustre_disk.h
  *
  * Lustre disk format definitions.
  *
 #define MGS_NIDTBL_DIR         "NIDTBL_VERSIONS"
 #define QMT_DIR                        "quota_master"
 #define QSD_DIR                        "quota_slave"
+#define QSD_DIR_DT             "quota_slave_dt"
+#define QSD_DIR_MD             "quota_slave_md"
 #define HSM_ACTIONS            "hsm_actions"
 #define LFSCK_DIR              "LFSCK"
 #define LFSCK_BOOKMARK         "lfsck_bookmark"
 #define LFSCK_LAYOUT           "lfsck_layout"
 #define LFSCK_NAMESPACE                "lfsck_namespace"
 #define REMOTE_PARENT_DIR      "REMOTE_PARENT_DIR"
+#define INDEX_BACKUP_DIR       "index_backup"
+#define MDT_ORPHAN_DIR         "PENDING"
+
+/* On-disk configuration file. In host-endian order. */
+struct lustre_disk_data {
+       __u32 ldd_magic;
+       __u32 ldd_feature_compat;       /* compatible feature flags */
+       __u32 ldd_feature_rocompat;     /* read-only compatible feature flags */
+       __u32 ldd_feature_incompat;     /* incompatible feature flags */
+
+       __u32 ldd_config_ver;           /* config rewrite count - not used */
+       __u32 ldd_flags;                /* LDD_SV_TYPE */
+       __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,
+                                        * MTI_NAME_MAXLEN
+                                        */
+       char  ldd_svname[64];           /* this server's name (lustre-mdt0001)*/
+       __u8  ldd_uuid[40];             /* server UUID (COMPAT_146) */
+
+       char  ldd_userdata[1024 - 200]; /* arbitrary user string '200' */
+       __u8  ldd_padding[4096 - 1024]; /* 1024 */
+       char  ldd_mount_opts[4096];     /* target fs mount opts '4096' */
+       char  ldd_params[4096];         /* key=value pairs '8192' */
+};
 
 /****************** persistent mount data *********************/
 
 /** regenerate config logs for this fs or server */
 #define LDD_F_WRITECONF                0x0100
 /** COMPAT_14 */
-#define LDD_F_UPGRADE14                0x0200
+/*#define LDD_F_UPGRADE14              0x0200 deprecated since 1.8 */
 /** process as lctl conf_param */
 #define LDD_F_PARAM            0x0400
 /** all nodes are specified as service nodes */
 #define LDD_F_ERROR            0x4000
 /** process at lctl conf_param */
 #define LDD_F_PARAM2           0x8000
+/** the target shouldn't use local logs */
+#define LDD_F_NO_LOCAL_LOGS    0x10000
 
 #define LDD_MAGIC 0x1dd00001