b=13934

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

diff --git a/lustre/include/lustre_disk.h b/lustre/include/lustre_disk.h
index 0cc200a..ccb1340 100644 (file)
--- a/lustre/include/lustre_disk.h
+++ b/lustre/include/lustre_disk.h
@@ -34,10 +34,10 @@
 #define MOUNT_CONFIGS_DIR "CONFIGS"
 /* Persistent mount data are stored on the disk in this file. */
 #define MOUNT_DATA_FILE    MOUNT_CONFIGS_DIR"/mountdata"
-#define LAST_RCVD         "last_rcvd"
+#define LAST_RCVD         "last_received"
 #define LOV_OBJID         "lov_objid"
 #define HEALTH_CHECK      "health_check"
-
+#define CAPA_KEYS         "capa_keys"
 
 /****************** persistent mount data *********************/
 
@@ -46,21 +46,21 @@
 #define LDD_F_SV_TYPE_MGS   0x0004
 #define LDD_F_NEED_INDEX    0x0010 /* need an index assignment */
 #define LDD_F_VIRGIN        0x0020 /* never registered */
-#define LDD_F_UPDATE        0x0040 /* update all related config logs */
+#define LDD_F_UPDATE        0x0040 /* update the config logs for this server*/
 #define LDD_F_REWRITE_LDD   0x0080 /* rewrite the LDD */
 #define LDD_F_WRITECONF     0x0100 /* regenerate all logs for this fs */
 #define LDD_F_UPGRADE14     0x0200 /* COMPAT_14 */
 #define LDD_F_PARAM         0x0400 /* process as lctl conf_param */
 
 enum ldd_mount_type {
-        LDD_MT_EXT3 = 0, 
+        LDD_MT_EXT3 = 0,
         LDD_MT_LDISKFS,
-        LDD_MT_SMFS,   
+        LDD_MT_SMFS,
         LDD_MT_REISERFS,
         LDD_MT_LDISKFS2,
         LDD_MT_LAST
 };
-       
+
 static inline char *mt_str(enum ldd_mount_type mt)
 {
         static char *mount_type_string[] = {
@@ -68,7 +68,7 @@ static inline char *mt_str(enum ldd_mount_type mt)
                 "ldiskfs",
                 "smfs",
                 "reiserfs",
-                "ldiskfs2",
+                "ldiskfs2"
         };
         return mount_type_string[mt];
 }
@@ -84,7 +84,7 @@ struct lustre_disk_data {
         __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 
@@ -93,7 +93,7 @@ struct lustre_disk_data {
         char       ldd_fsname[64];      /* filesystem this server is part of */
         char       ldd_svname[64];      /* this server's name (lustre-mdt0001)*/
         __u8       ldd_uuid[40];        /* server UUID (COMPAT_146) */
-   
+
 /*200*/ char       ldd_userdata[1024 - 200]; /* arbitrary user string */
 /*1024*/__u8       ldd_padding[4096 - 1024];
 /*4096*/char       ldd_mount_opts[4096]; /* target fs mount opts */
@@ -111,7 +111,7 @@ static inline int server_make_name(__u32 flags, __u16 index, char *fs,
 {
         if (flags & (LDD_F_SV_TYPE_MDT | LDD_F_SV_TYPE_OST)) {
                 sprintf(name, "%.8s-%s%04x", fs,
-                        (flags & LDD_F_SV_TYPE_MDT) ? "MDT" : "OST",  
+                        (flags & LDD_F_SV_TYPE_MDT) ? "MDT" : "OST",
                         index);
         } else if (flags & LDD_F_SV_TYPE_MGS) {
                 sprintf(name, "MGS");
@@ -151,6 +151,8 @@ struct lustre_mount_data {
 #define LMD_FLG_ABORT_RECOV  0x0008  /* Abort recovery */
 #define LMD_FLG_NOSVC        0x0010  /* Only start MGS/MGC for servers, 
                                         no other services */
+#define LMD_FLG_NOMGS        0x0020  /* Only start target for servers, reusing
+                                        existing MGS services */
 
 #define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT) 
 
@@ -167,14 +169,12 @@ struct lustre_mount_data {
  * 2^n * CFS_PAGE_SIZE * 8 for the number of bits that fit an order-n allocation. */
 #define LR_MAX_CLIENTS (CFS_PAGE_SIZE * 8)
 
-                                                                                
 /* COMPAT_146 */
 #define OBD_COMPAT_OST          0x00000002 /* this is an OST (temporary) */
 #define OBD_COMPAT_MDT          0x00000004 /* this is an MDT (temporary) */
 /* end COMPAT_146 */
 
 #define OBD_ROCOMPAT_LOVOBJID   0x00000001 /* MDS handles LOV_OBJID file */
-#define OBD_ROCOMPAT_CROW       0x00000002 /* OST will CROW create objects */
 
 #define OBD_INCOMPAT_GROUPS     0x00000001 /* OST handles group subdirs */
 #define OBD_INCOMPAT_OST        0x00000002 /* this is an OST */
@@ -238,13 +238,8 @@ struct lustre_sb_info {
 #define LSI_UMOUNT_FORCE                 0x00000010
 #define LSI_UMOUNT_FAILOVER              0x00000020
 
-#if  (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-# define    s2lsi(sb)        ((struct lustre_sb_info *)((sb)->s_fs_info))
-# define    s2lsi_nocast(sb) ((sb)->s_fs_info)
-#else  /* 2.4 here */
-# define    s2lsi(sb)        ((struct lustre_sb_info *)((sb)->u.generic_sbp))
-# define    s2lsi_nocast(sb) ((sb)->u.generic_sbp)
-#endif
+#define     s2lsi(sb)        ((struct lustre_sb_info *)((sb)->s_fs_info))
+#define     s2lsi_nocast(sb) ((sb)->s_fs_info)
 
 #define     get_profile_name(sb)   (s2lsi(sb)->lsi_lmd->lmd_profile)
 
@@ -266,19 +261,24 @@ struct lustre_mount_info {
 
 /* obd_mount.c */
 void lustre_register_client_fill_super(int (*cfs)(struct super_block *sb));
+void lustre_register_kill_super_cb(void (*cfs)(struct super_block *sb));
+
+
 int lustre_common_put_super(struct super_block *sb);
 int lustre_process_log(struct super_block *sb, char *logname, 
                      struct config_llog_instance *cfg);
 int lustre_end_log(struct super_block *sb, char *logname, 
                        struct config_llog_instance *cfg);
-struct lustre_mount_info *server_get_mount(char *name);
-int server_put_mount(char *name, struct vfsmount *mnt);
+struct lustre_mount_info *server_get_mount(const char *name);
+struct lustre_mount_info *server_get_mount_2(const char *name);
+int server_put_mount(const char *name, struct vfsmount *mnt);
+int server_put_mount_2(const char *name, struct vfsmount *mnt);
 int server_register_target(struct super_block *sb);
 struct mgs_target_info;
 int server_mti_print(char *title, struct mgs_target_info *mti);
 
 /* mgc_request.c */
-int mgc_logname2resid(char *logname, struct ldlm_res_id *res_id);
+int mgc_fsname2resid(char *fsname, struct ldlm_res_id *res_id);
 
 #endif