#define MDT_LOGS_DIR "LOGS" /* COMPAT_146 */
#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_received"
+#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 HEALTH_CHECK "health_check"
#define CAPA_KEYS "capa_keys"
+#define CHANGELOG_USERS "changelog_users"
+
/****************** persistent mount data *********************/
#define LDD_F_SV_TYPE_MDT 0x0001
#define LDD_F_SV_TYPE_OST 0x0002
#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 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 */
+#define LDD_F_SV_ALL 0x0008
+/** need an index assignment */
+#define LDD_F_NEED_INDEX 0x0010
+/** never registered */
+#define LDD_F_VIRGIN 0x0020
+/** update the config logs for this server*/
+#define LDD_F_UPDATE 0x0040
+/** rewrite the LDD */
+#define LDD_F_REWRITE_LDD 0x0080
+/** regenerate all logs for this fs */
+#define LDD_F_WRITECONF 0x0100
+/** COMPAT_14 */
+#define LDD_F_UPGRADE14 0x0200
+/** process as lctl conf_param */
+#define LDD_F_PARAM 0x0400
+/** backend fs make use of IAM directory format. */
+#define LDD_F_IAM_DIR 0x0800
enum ldd_mount_type {
LDD_MT_EXT3 = 0,
__u32 ldd_config_ver; /* config rewrite count - not used */
__u32 ldd_flags; /* LDD_SV_TYPE */
- __u32 ldd_svindex; /* server index (0001), must match
+ __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 *name)
{
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",
- index);
+ if (!(flags & LDD_F_SV_ALL))
+ sprintf(name, "%.8s-%s%04x", fs,
+ (flags & LDD_F_SV_TYPE_MDT) ? "MDT" : "OST",
+ index);
} else if (flags & LDD_F_SV_TYPE_MGS) {
sprintf(name, "MGS");
} else {
/****************** mount command *********************/
-/* The lmd is only used internally by Lustre; mount simply passes
+/* The lmd is only used internally by Lustre; mount simply passes
everything as string options */
#define LMD_MAGIC 0xbdacbd03
int lmd_exclude_count;
char *lmd_dev; /* device name */
char *lmd_profile; /* client only */
- char *lmd_opts; /* lustre mount options (as opposed to
+ char *lmd_mgssec; /* sptlrpc flavor to mgs */
+ char *lmd_opts; /* lustre mount options (as opposed to
_device_ mount options) */
__u32 *lmd_exclude; /* array of OSTs to ignore */
};
#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,
+#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)
+#define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT)
/****************** last_rcvd file *********************/
+/** version recovery epoch */
+#define LR_EPOCH_BITS 32
+#define lr_epoch(a) ((a) >> LR_EPOCH_BITS)
+#define LR_EXPIRE_INTERVALS 16 /**< number of intervals to track transno */
+
#define LR_SERVER_SIZE 512
#define LR_CLIENT_START 8192
#define LR_CLIENT_SIZE 128
#define LR_MAX_CLIENTS (CFS_PAGE_SIZE * 8)
#endif
-/* 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 LR_CLIENT_BITMAP_SIZE ((LR_MAX_CLIENTS >> 3) / sizeof(long))
+
+/** COMPAT_146: this is an OST (temporary) */
+#define OBD_COMPAT_OST 0x00000002
+/** COMPAT_146: this is an MDT (temporary) */
+#define OBD_COMPAT_MDT 0x00000004
-#define OBD_ROCOMPAT_LOVOBJID 0x00000001 /* MDS handles LOV_OBJID file */
+/** MDS handles LOV_OBJID file */
+#define OBD_ROCOMPAT_LOVOBJID 0x00000001
-#define OBD_INCOMPAT_GROUPS 0x00000001 /* OST handles group subdirs */
-#define OBD_INCOMPAT_OST 0x00000002 /* this is an OST */
-#define OBD_INCOMPAT_MDT 0x00000004 /* this is an MDT */
-#define OBD_INCOMPAT_COMMON_LR 0x00000008 /* common last_rvcd format */
+/** OST handles group subdirs */
+#define OBD_INCOMPAT_GROUPS 0x00000001
+/** this is an OST */
+#define OBD_INCOMPAT_OST 0x00000002
+/** this is an MDT */
+#define OBD_INCOMPAT_MDT 0x00000004
+/** common last_rvcd format */
+#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
+/** 2.0 server, interop flag to show server is changed */
+#define OBD_INCOMPAT_20 0x00000040
/* Data stored per server at the head of the last_rcvd file. In le32 order.
__u8 lsd_peeruuid[40]; /* UUID of MDS associated with this OST */
__u32 lsd_ost_index; /* index number of OST in LOV */
__u32 lsd_mdt_index; /* index number of MDT in LMV */
- __u8 lsd_padding[LR_SERVER_SIZE - 148];
+ __u32 lsd_start_epoch; /* VBR: start epoch from last boot */
+ /** transaction values since lsd_trans_table_time */
+ __u64 lsd_trans_table[LR_EXPIRE_INTERVALS];
+ /** start point of transno table below */
+ __u32 lsd_trans_table_time; /* time of first slot in table above */
+ __u32 lsd_expire_intervals; /* LR_EXPIRE_INTERVALS */
+ __u8 lsd_padding[LR_SERVER_SIZE - 288];
};
/* Data stored per client in the last_rcvd file. In le32 order. */
__u64 lcd_last_close_xid; /* xid for the last transaction */
__u32 lcd_last_close_result; /* result from last RPC */
__u32 lcd_last_close_data; /* per-op data */
- __u8 lcd_padding[LR_CLIENT_SIZE - 88];
+ /* VBR: last versions */
+ __u64 lcd_pre_versions[4];
+ __u32 lcd_last_epoch;
+ /** orphans handling for delayed export rely on that */
+ __u32 lcd_first_epoch;
+ __u8 lcd_padding[LR_CLIENT_SIZE - 128];
};
+/* last_rcvd handling */
+static inline void lsd_le_to_cpu(struct lr_server_data *buf,
+ struct lr_server_data *lsd)
+{
+ int i;
+ memcpy(lsd->lsd_uuid, buf->lsd_uuid, sizeof (lsd->lsd_uuid));
+ lsd->lsd_last_transno = le64_to_cpu(buf->lsd_last_transno);
+ lsd->lsd_compat14 = le64_to_cpu(buf->lsd_compat14);
+ lsd->lsd_mount_count = le64_to_cpu(buf->lsd_mount_count);
+ lsd->lsd_feature_compat = le32_to_cpu(buf->lsd_feature_compat);
+ lsd->lsd_feature_rocompat = le32_to_cpu(buf->lsd_feature_rocompat);
+ lsd->lsd_feature_incompat = le32_to_cpu(buf->lsd_feature_incompat);
+ lsd->lsd_server_size = le32_to_cpu(buf->lsd_server_size);
+ lsd->lsd_client_start = le32_to_cpu(buf->lsd_client_start);
+ lsd->lsd_client_size = le16_to_cpu(buf->lsd_client_size);
+ lsd->lsd_subdir_count = le16_to_cpu(buf->lsd_subdir_count);
+ lsd->lsd_catalog_oid = le64_to_cpu(buf->lsd_catalog_oid);
+ lsd->lsd_catalog_ogen = le32_to_cpu(buf->lsd_catalog_ogen);
+ memcpy(lsd->lsd_peeruuid, buf->lsd_peeruuid, sizeof(lsd->lsd_peeruuid));
+ lsd->lsd_ost_index = le32_to_cpu(buf->lsd_ost_index);
+ lsd->lsd_mdt_index = le32_to_cpu(buf->lsd_mdt_index);
+ lsd->lsd_start_epoch = le32_to_cpu(buf->lsd_start_epoch);
+ for (i = 0; i < LR_EXPIRE_INTERVALS; i++)
+ lsd->lsd_trans_table[i] = le64_to_cpu(buf->lsd_trans_table[i]);
+ lsd->lsd_trans_table_time = le32_to_cpu(buf->lsd_trans_table_time);
+ lsd->lsd_expire_intervals = le32_to_cpu(buf->lsd_expire_intervals);
+}
+
+static inline void lsd_cpu_to_le(struct lr_server_data *lsd,
+ struct lr_server_data *buf)
+{
+ int i;
+ memcpy(buf->lsd_uuid, lsd->lsd_uuid, sizeof (buf->lsd_uuid));
+ buf->lsd_last_transno = cpu_to_le64(lsd->lsd_last_transno);
+ buf->lsd_compat14 = cpu_to_le64(lsd->lsd_compat14);
+ buf->lsd_mount_count = cpu_to_le64(lsd->lsd_mount_count);
+ buf->lsd_feature_compat = cpu_to_le32(lsd->lsd_feature_compat);
+ buf->lsd_feature_rocompat = cpu_to_le32(lsd->lsd_feature_rocompat);
+ buf->lsd_feature_incompat = cpu_to_le32(lsd->lsd_feature_incompat);
+ buf->lsd_server_size = cpu_to_le32(lsd->lsd_server_size);
+ buf->lsd_client_start = cpu_to_le32(lsd->lsd_client_start);
+ buf->lsd_client_size = cpu_to_le16(lsd->lsd_client_size);
+ buf->lsd_subdir_count = cpu_to_le16(lsd->lsd_subdir_count);
+ buf->lsd_catalog_oid = cpu_to_le64(lsd->lsd_catalog_oid);
+ buf->lsd_catalog_ogen = cpu_to_le32(lsd->lsd_catalog_ogen);
+ memcpy(buf->lsd_peeruuid, lsd->lsd_peeruuid, sizeof(buf->lsd_peeruuid));
+ buf->lsd_ost_index = cpu_to_le32(lsd->lsd_ost_index);
+ buf->lsd_mdt_index = cpu_to_le32(lsd->lsd_mdt_index);
+ buf->lsd_start_epoch = cpu_to_le32(lsd->lsd_start_epoch);
+ for (i = 0; i < LR_EXPIRE_INTERVALS; i++)
+ buf->lsd_trans_table[i] = cpu_to_le64(lsd->lsd_trans_table[i]);
+ buf->lsd_trans_table_time = cpu_to_le32(lsd->lsd_trans_table_time);
+ buf->lsd_expire_intervals = cpu_to_le32(lsd->lsd_expire_intervals);
+}
+
+static inline void lcd_le_to_cpu(struct lsd_client_data *buf,
+ struct lsd_client_data *lcd)
+{
+ memcpy(lcd->lcd_uuid, buf->lcd_uuid, sizeof (lcd->lcd_uuid));
+ lcd->lcd_last_transno = le64_to_cpu(buf->lcd_last_transno);
+ lcd->lcd_last_xid = le64_to_cpu(buf->lcd_last_xid);
+ lcd->lcd_last_result = le32_to_cpu(buf->lcd_last_result);
+ lcd->lcd_last_data = le32_to_cpu(buf->lcd_last_data);
+ lcd->lcd_last_close_transno = le64_to_cpu(buf->lcd_last_close_transno);
+ lcd->lcd_last_close_xid = le64_to_cpu(buf->lcd_last_close_xid);
+ lcd->lcd_last_close_result = le32_to_cpu(buf->lcd_last_close_result);
+ lcd->lcd_last_close_data = le32_to_cpu(buf->lcd_last_close_data);
+ lcd->lcd_pre_versions[0] = le64_to_cpu(buf->lcd_pre_versions[0]);
+ lcd->lcd_pre_versions[1] = le64_to_cpu(buf->lcd_pre_versions[1]);
+ lcd->lcd_pre_versions[2] = le64_to_cpu(buf->lcd_pre_versions[2]);
+ lcd->lcd_pre_versions[3] = le64_to_cpu(buf->lcd_pre_versions[3]);
+ lcd->lcd_last_epoch = le32_to_cpu(buf->lcd_last_epoch);
+ lcd->lcd_first_epoch = le32_to_cpu(buf->lcd_first_epoch);
+}
+
+static inline void lcd_cpu_to_le(struct lsd_client_data *lcd,
+ struct lsd_client_data *buf)
+{
+ memcpy(buf->lcd_uuid, lcd->lcd_uuid, sizeof (lcd->lcd_uuid));
+ buf->lcd_last_transno = cpu_to_le64(lcd->lcd_last_transno);
+ buf->lcd_last_xid = cpu_to_le64(lcd->lcd_last_xid);
+ buf->lcd_last_result = cpu_to_le32(lcd->lcd_last_result);
+ buf->lcd_last_data = cpu_to_le32(lcd->lcd_last_data);
+ buf->lcd_last_close_transno = cpu_to_le64(lcd->lcd_last_close_transno);
+ buf->lcd_last_close_xid = cpu_to_le64(lcd->lcd_last_close_xid);
+ buf->lcd_last_close_result = cpu_to_le32(lcd->lcd_last_close_result);
+ buf->lcd_last_close_data = cpu_to_le32(lcd->lcd_last_close_data);
+ buf->lcd_pre_versions[0] = cpu_to_le64(lcd->lcd_pre_versions[0]);
+ buf->lcd_pre_versions[1] = cpu_to_le64(lcd->lcd_pre_versions[1]);
+ buf->lcd_pre_versions[2] = cpu_to_le64(lcd->lcd_pre_versions[2]);
+ buf->lcd_pre_versions[3] = cpu_to_le64(lcd->lcd_pre_versions[3]);
+ buf->lcd_last_epoch = cpu_to_le32(lcd->lcd_last_epoch);
+ buf->lcd_first_epoch = cpu_to_le32(lcd->lcd_first_epoch);
+}
+
+static inline __u64 lcd_last_transno(struct lsd_client_data *lcd)
+{
+ return (lcd->lcd_last_transno > lcd->lcd_last_close_transno ?
+ lcd->lcd_last_transno : lcd->lcd_last_close_transno);
+}
+
+static inline __u64 lcd_last_xid(struct lsd_client_data *lcd)
+{
+ return (lcd->lcd_last_xid > lcd->lcd_last_close_xid ?
+ lcd->lcd_last_xid : lcd->lcd_last_close_xid);
+}
-#ifdef __KERNEL__
/****************** superblock additional info *********************/
+#ifdef __KERNEL__
+
struct ll_sb_info;
struct lustre_sb_info {
/****************** prototypes *********************/
#ifdef __KERNEL__
-#include <obd_class.h>
/* obd_mount.c */
void lustre_register_client_fill_super(int (*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(const char *name);
struct lustre_mount_info *server_get_mount_2(const char *name);
int server_put_mount(const char *name, struct vfsmount *mnt);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff