* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
/****************** on-disk files *********************/
-#define MDT_LOGS_DIR "LOGS" /* COMPAT_146 */
-#define MOUNT_CONFIGS_DIR "CONFIGS"
-#define CONFIGS_FILE "mountdata"
+#define MDT_LOGS_DIR "LOGS" /* COMPAT_146 */
+#define MOUNT_CONFIGS_DIR "CONFIGS"
+#define CONFIGS_FILE "mountdata"
/** Persistent mount data are stored on the disk in this file. */
-#define MOUNT_DATA_FILE MOUNT_CONFIGS_DIR"/"CONFIGS_FILE
-#define LAST_RCVD "last_rcvd"
-#define LOV_OBJID "lov_objid"
+#define MOUNT_DATA_FILE MOUNT_CONFIGS_DIR"/"CONFIGS_FILE
+#define LAST_RCVD "last_rcvd"
+#define LOV_OBJID "lov_objid"
#define LOV_OBJSEQ "lov_objseq"
-#define HEALTH_CHECK "health_check"
-#define CAPA_KEYS "capa_keys"
-#define CHANGELOG_USERS "changelog_users"
-#define MGS_NIDTBL_DIR "NIDTBL_VERSIONS"
-#define QMT_DIR "quota_master"
-#define QSD_DIR "quota_slave"
+#define HEALTH_CHECK "health_check"
+#define CAPA_KEYS "capa_keys"
+#define CHANGELOG_USERS "changelog_users"
+#define MGS_NIDTBL_DIR "NIDTBL_VERSIONS"
+#define QMT_DIR "quota_master"
+#define QSD_DIR "quota_slave"
+#define HSM_ACTIONS "hsm_actions"
+#define LFSCK_DIR "LFSCK"
+#define LFSCK_BOOKMARK "lfsck_bookmark"
+#define LFSCK_LAYOUT "lfsck_layout"
+#define LFSCK_NAMESPACE "lfsck_namespace"
/****************** persistent mount data *********************/
#define LDD_F_IR_CAPABLE 0x2000
/** the MGS refused to register the target. */
#define LDD_F_ERROR 0x4000
+/** process at lctl conf_param */
+#define LDD_F_PARAM2 0x8000
/* opc for target register */
#define LDD_F_OPC_REG 0x10000000
/* The lmd is only used internally by Lustre; mount simply passes
everything as string options */
-#define LMD_MAGIC 0xbdacbd03
+#define LMD_MAGIC 0xbdacbd03
+#define LMD_PARAMS_MAXLEN 4096
/* gleaned from the mount command - no persistent info here */
struct lustre_mount_data {
char *lmd_osd_type; /* OSD type */
};
-#define LMD_FLG_SERVER 0x0001 /* Mounting a server */
-#define LMD_FLG_CLIENT 0x0002 /* Mounting a client */
-#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_FLG_WRITECONF 0x0040 /* Rewrite config log */
-#define LMD_FLG_NOIR 0x0080 /* NO imperative recovery */
-#define LMD_FLG_NOSCRUB 0x0100 /* Do not trigger scrub automatically */
-#define LMD_FLG_MGS 0x0200 /* Also start MGS along with server */
-#define LMD_FLG_IAM 0x0400 /* IAM dir */
-#define LMD_FLG_NO_PRIMNODE 0x0800 /* all nodes are service nodes */
-#define LMD_FLG_VIRGIN 0x1000 /* the service registers first time */
-#define LMD_FLG_UPDATE 0x2000 /* update parameters */
+#define LMD_FLG_SERVER 0x0001 /* Mounting a server */
+#define LMD_FLG_CLIENT 0x0002 /* Mounting a client */
+#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_FLG_WRITECONF 0x0040 /* Rewrite config log */
+#define LMD_FLG_NOIR 0x0080 /* NO imperative recovery */
+#define LMD_FLG_NOSCRUB 0x0100 /* Do not trigger scrub automatically */
+#define LMD_FLG_MGS 0x0200 /* Also start MGS along with server */
+#define LMD_FLG_IAM 0x0400 /* IAM dir */
+#define LMD_FLG_NO_PRIMNODE 0x0800 /* all nodes are service nodes */
+#define LMD_FLG_VIRGIN 0x1000 /* the service registers first time */
+#define LMD_FLG_UPDATE 0x2000 /* update parameters */
+#define LMD_FLG_HSM 0x4000 /* Start coordinator */
#define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT)
#define OBD_COMPAT_20 0x00000008
/** MDS handles LOV_OBJID file */
-#define OBD_ROCOMPAT_LOVOBJID 0x00000001
+#define OBD_ROCOMPAT_LOVOBJID 0x00000001
+/** store OST index in the IDIF */
+#define OBD_ROCOMPAT_IDX_IN_IDIF 0x00000002
/** OST handles group subdirs */
#define OBD_INCOMPAT_GROUPS 0x00000001
static inline void check_lcd(char *obd_name, int index,
struct lsd_client_data *lcd)
{
- int length = sizeof(lcd->lcd_uuid);
+ size_t length = sizeof(lcd->lcd_uuid);
if (strnlen((char*)lcd->lcd_uuid, length) == length) {
lcd->lcd_uuid[length - 1] = '\0';
struct ll_sb_info;
struct lustre_sb_info {
- int lsi_flags;
- struct obd_device *lsi_mgc; /* mgc obd */
- struct lustre_mount_data *lsi_lmd; /* mount command info */
- struct ll_sb_info *lsi_llsbi; /* add'l client sbi info */
+ int lsi_flags;
+ struct obd_device *lsi_mgc; /* mgc obd */
+ struct lustre_mount_data *lsi_lmd; /* mount command info */
+ struct ll_sb_info *lsi_llsbi; /* add'l client sbi info */
struct dt_device *lsi_dt_dev; /* dt device to access disk fs*/
- struct vfsmount *lsi_srv_mnt; /* the one server mount */
- cfs_atomic_t lsi_mounts; /* references to the srv_mnt */
+ atomic_t lsi_mounts; /* references to the srv_mnt */
char lsi_svname[MTI_NAME_MAXLEN];
char lsi_osd_obdname[64];
char lsi_osd_uuid[64];
struct obd_export *lsi_osd_exp;
char lsi_osd_type[16];
char lsi_fstype[16];
- struct backing_dev_info lsi_bdi; /* each client mountpoint needs
- own backing_dev_info */
+ struct backing_dev_info lsi_bdi; /* each client mountpoint needs
+ own backing_dev_info */
+ struct list_head lsi_lwp_list;
+ spinlock_t lsi_lwp_lock;
+ unsigned long lsi_lwp_started:1;
};
#define LSI_UMOUNT_FAILOVER 0x00200000
/****************** mount lookup info *********************/
struct lustre_mount_info {
- char *lmi_name;
- struct super_block *lmi_sb;
- struct vfsmount *lmi_mnt;
- cfs_list_t lmi_list_chain;
+ char *lmi_name;
+ struct super_block *lmi_sb;
+ struct list_head lmi_list_chain;
};
/****************** prototypes *********************/
#ifdef __KERNEL__
/* obd_mount.c */
int server_name2fsname(const char *svname, char *fsname, const char **endptr);
-int server_name2index(const char *svname, __u32 *idx, const char **endptr);
int server_name2svname(const char *label, char *svname, const char **endptr,
size_t svsize);
+int server_name_is_ost(const char *svname);
+int target_name2index(const char *svname, __u32 *idx, const char **endptr);
int lustre_put_lsi(struct super_block *sb);
int lustre_start_simple(char *obdname, char *type, char *uuid,
/* obd_mount_server.c */
int server_fill_super(struct super_block *sb);
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_put_mount(const char *name, bool dereg_mnt);
struct mgs_target_info;
int server_mti_print(const char *title, struct mgs_target_info *mti);
void server_calc_timeout(struct lustre_sb_info *lsi, struct obd_device *obd);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff