*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
* @{
*/
-
+#include <asm/byteorder.h>
+#include <linux/types.h>
+#include <linux/backing-dev.h>
+#include <linux/list.h>
#include <libcfs/libcfs.h>
-#include <lnet/types.h>
-
-/****************** on-disk files *********************/
-
-#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 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"
-
-/****************** 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_SV_TYPE_MASK (LDD_F_SV_TYPE_MDT | \
- LDD_F_SV_TYPE_OST | \
- LDD_F_SV_TYPE_MGS)
-#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 config logs for this fs or server */
-#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
-/** all nodes are specified as service nodes */
-#define LDD_F_NO_PRIMNODE 0x1000
-/** IR enable flag */
-#define LDD_F_IR_CAPABLE 0x2000
-/** the MGS refused to register the target. */
-#define LDD_F_ERROR 0x4000
-
-/* opc for target register */
-#define LDD_F_OPC_REG 0x10000000
-#define LDD_F_OPC_UNREG 0x20000000
-#define LDD_F_OPC_READY 0x40000000
-#define LDD_F_OPC_MASK 0xf0000000
-
-#define LDD_F_ONDISK_MASK (LDD_F_SV_TYPE_MASK | LDD_F_IAM_DIR)
-
-enum ldd_mount_type {
- LDD_MT_EXT3 = 0,
- LDD_MT_LDISKFS,
- LDD_MT_SMFS,
- LDD_MT_REISERFS,
- LDD_MT_LDISKFS2,
- LDD_MT_ZFS,
- LDD_MT_LAST
-};
-
-static inline char *mt_str(enum ldd_mount_type mt)
-{
- static char *mount_type_string[] = {
- "ext3",
- "ldiskfs",
- "smfs",
- "reiserfs",
- "ldiskfs2",
- "zfs",
- };
- return mount_type_string[mt];
-}
-
-static inline char *mt_type(enum ldd_mount_type mt)
-{
- static char *mount_type_string[] = {
- "osd-ldiskfs",
- "osd-ldiskfs",
- "osd-smfs",
- "osd-reiserfs",
- "osd-ldiskfs",
- "osd-zfs",
- };
- return mount_type_string[mt];
-}
-
-#define LDD_INCOMPAT_SUPP 0
-#define LDD_ROCOMPAT_SUPP 0
-
-#define LDD_MAGIC 0x1dd00001
-
-/* 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) */
-
-/*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 */
-/*8192*/char ldd_params[4096]; /* key=value pairs */
-};
-
-#define IS_MDT(data) ((data)->ldd_flags & LDD_F_SV_TYPE_MDT)
-#define IS_OST(data) ((data)->ldd_flags & LDD_F_SV_TYPE_OST)
-#define IS_MGS(data) ((data)->ldd_flags & LDD_F_SV_TYPE_MGS)
-#define MT_STR(data) mt_str((data)->ldd_mount_type)
-
-/* Make the mdt/ost server obd name based on the filesystem name */
-static inline int server_make_name(__u32 flags, __u16 index, char *fs,
- char *name)
-{
- if (flags & (LDD_F_SV_TYPE_MDT | LDD_F_SV_TYPE_OST)) {
- 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 {
- CERROR("unknown server type %#x\n", flags);
- return 1;
- }
- return 0;
-}
-
-/* Get the index from the obd name */
-int server_name2index(char *svname, __u32 *idx, char **endptr);
+#include <uapi/linux/lustre/lustre_disk.h>
+#include <uapi/linux/lustre/lustre_idl.h>
+#define IS_MDT(data) ((data)->lsi_flags & LDD_F_SV_TYPE_MDT)
+#define IS_OST(data) ((data)->lsi_flags & LDD_F_SV_TYPE_OST)
+#define IS_MGS(data) ((data)->lsi_flags & LDD_F_SV_TYPE_MGS)
+#define IS_SERVER(data) ((data)->lsi_flags & (LDD_F_SV_TYPE_MGS | \
+ LDD_F_SV_TYPE_MDT | \
+ LDD_F_SV_TYPE_OST))
+#define MT_STR(data) mt_str((data)->ldd_mount_type)
/****************** mount command *********************/
/* The lmd is only used internally by Lustre; mount simply passes
- everything as string options */
-
-#define LMD_MAGIC 0xbdacbd03
+ * everything as string options
+ */
+#define LMD_MAGIC 0xbdacbd03
+#define LMD_PARAMS_MAXLEN 4096
/* gleaned from the mount command - no persistent info here */
struct lustre_mount_data {
- __u32 lmd_magic;
- __u32 lmd_flags; /* lustre mount flags */
- int lmd_mgs_failnodes; /* mgs failover node count */
- int lmd_exclude_count;
- int lmd_recovery_time_soft;
- int lmd_recovery_time_hard;
- char *lmd_dev; /* device name */
- char *lmd_profile; /* client only */
- 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 */
+ u32 lmd_magic;
+ u32 lmd_flags; /* lustre mount flags */
+ int lmd_mgs_failnodes; /* mgs failover node count */
+ int lmd_exclude_count;
+ int lmd_recovery_time_soft;
+ int lmd_recovery_time_hard;
+ char *lmd_dev; /* device name */
+ char *lmd_profile; /* client only */
+ char *lmd_fileset; /* mount fileset */
+ char *lmd_mgssec; /* sptlrpc flavor to mgs */
+ char *lmd_opts; /* lustre mount options (as opposed to
+ * device_ mount options) */
+ char *lmd_params; /* lustre params */
+ u32 *lmd_exclude; /* array of OSTs to ignore */
+ char *lmd_mgs; /* MGS nid */
+ char *lmd_osd_type; /* OSD type */
+ char *lmd_nidnet; /* network to restrict this client to */
};
-#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_SERVER 0x0001 /* Mounting a server */
+#define LMD_FLG_CLIENT 0x0002 /* Mounting a client */
+#define LMD_FLG_SKIP_LFSCK 0x0004 /* NOT auto resume LFSCK when mount */
+#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_FLG_DEV_RDONLY 0x8000 /* discard modification quitely */
#define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT)
+/****************** superblock additional info *********************/
+struct ll_sb_info;
-/****************** last_rcvd file *********************/
+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 */
+ struct dt_device *lsi_dt_dev; /* dt device to access disk fs*/
+ atomic_t lsi_mounts; /* references to the srv_mnt */
+ char lsi_svname[MTI_NAME_MAXLEN];
+ /* lsi_osd_obdname format = 'lsi->ls_svname'-osd */
+ char lsi_osd_obdname[MTI_NAME_MAXLEN + 4];
+ /* lsi_osd_uuid format = 'lsi->ls_osd_obdname'_UUID */
+ char lsi_osd_uuid[MTI_NAME_MAXLEN + 9];
+ 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 list_head lsi_lwp_list;
+ spinlock_t lsi_lwp_lock;
+ unsigned long lsi_lwp_started:1;
+};
-/** 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 ENOENT_VERSION 1 /** 'virtual' version of non-existent object */
+#define LSI_UMOUNT_FAILOVER 0x00200000
-#define LR_SERVER_SIZE 512
-#define LR_CLIENT_START 8192
-#define LR_CLIENT_SIZE 128
-#if LR_CLIENT_START < LR_SERVER_SIZE
-#error "Can't have LR_CLIENT_START < LR_SERVER_SIZE"
-#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)
+#define get_mount_fileset(sb) (s2lsi(sb)->lsi_lmd->lmd_fileset)
+
+# ifdef HAVE_SERVER_SUPPORT
+/* opc for target register */
+#define LDD_F_OPC_REG 0x10000000
+#define LDD_F_OPC_UNREG 0x20000000
+#define LDD_F_OPC_READY 0x40000000
+#define LDD_F_OPC_MASK 0xf0000000
+
+#define LDD_F_MASK 0xFFFF
/*
* This limit is arbitrary (131072 clients on x86), but it is convenient to use
- * 2^n * CFS_PAGE_SIZE * 8 for the number of bits that fit an order-n allocation.
+ * 2^n * PAGE_SIZE * 8 for the number of bits that fit an order-n allocation.
* If we need more than 131072 clients (order-2 allocation on x86) then this
* should become an array of single-page pointers that are allocated on demand.
*/
-#if (128 * 1024UL) > (CFS_PAGE_SIZE * 8)
+#if (128 * 1024UL) > (PAGE_SIZE * 8)
#define LR_MAX_CLIENTS (128 * 1024UL)
#else
-#define LR_MAX_CLIENTS (CFS_PAGE_SIZE * 8)
+#define LR_MAX_CLIENTS (PAGE_SIZE * 8)
#endif
/** COMPAT_146: this is an OST (temporary) */
#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
#define OBD_INCOMPAT_IAM_DIR 0x00000040
/** LMA attribute contains per-inode incompatible flags */
#define OBD_INCOMPAT_LMA 0x00000080
-/** lmm_stripe_count has been shrunk from __u32 to __u16 and the remaining 16
+/** lmm_stripe_count has been shrunk from u32 to u16 and the remaining 16
* bits are now used to store a generation. Once we start changing the layout
* and bumping the generation, old versions expecting a 32-bit lmm_stripe_count
* will be confused by interpreting stripe_count | gen << 16 as the actual
#define OBD_INCOMPAT_LMM_VER 0x00000100
/** multiple OI files for MDT */
#define OBD_INCOMPAT_MULTI_OI 0x00000200
-
-/* Data stored per server at the head of the last_rcvd file. In le32 order.
- This should be common to filter_internal.h, lustre_mds.h */
-struct lr_server_data {
- __u8 lsd_uuid[40]; /* server UUID */
- __u64 lsd_last_transno; /* last completed transaction ID */
- __u64 lsd_compat14; /* reserved - compat with old last_rcvd */
- __u64 lsd_mount_count; /* incarnation number */
- __u32 lsd_feature_compat; /* compatible feature flags */
- __u32 lsd_feature_rocompat;/* read-only compatible feature flags */
- __u32 lsd_feature_incompat;/* incompatible feature flags */
- __u32 lsd_server_size; /* size of server data area */
- __u32 lsd_client_start; /* start of per-client data area */
- __u16 lsd_client_size; /* size of per-client data area */
- __u16 lsd_subdir_count; /* number of subdirectories for objects */
- __u64 lsd_catalog_oid; /* recovery catalog object id */
- __u32 lsd_catalog_ogen; /* recovery catalog inode generation */
- __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 */
- __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. */
-struct lsd_client_data {
- __u8 lcd_uuid[40]; /* client UUID */
- __u64 lcd_last_transno; /* last completed transaction ID */
- __u64 lcd_last_xid; /* xid for the last transaction */
- __u32 lcd_last_result; /* result from last RPC */
- __u32 lcd_last_data; /* per-op data (disposition for open &c.) */
- /* for MDS_CLOSE requests */
- __u64 lcd_last_close_transno; /* last completed transaction ID */
- __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 */
- /* 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];
-};
-
-/* bug20354: the lcd_uuid for export of clients may be wrong */
-static inline void check_lcd(char *obd_name, int index,
- struct lsd_client_data *lcd)
-{
- int length = sizeof(lcd->lcd_uuid);
- if (strnlen((char*)lcd->lcd_uuid, length) == length) {
- lcd->lcd_uuid[length - 1] = '\0';
-
- LCONSOLE_ERROR("the client UUID (%s) on %s for exports"
- "stored in last_rcvd(index = %d) is bad!\n",
- lcd->lcd_uuid, obd_name, index);
- }
-}
+/** multiple RPCs in flight */
+#define OBD_INCOMPAT_MULTI_RPCS 0x00000400
/* 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);
+ 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_osd_index = le32_to_cpu(buf->lsd_osd_index);
+ lsd->lsd_padding1 = le32_to_cpu(buf->lsd_padding1);
+ 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);
+ 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_osd_index = cpu_to_le32(lsd->lsd_osd_index);
+ buf->lsd_padding1 = cpu_to_le32(lsd->lsd_padding1);
+ 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);
+ 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_generation = le32_to_cpu(buf->lcd_generation);
}
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);
+ 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_generation = cpu_to_le32(lcd->lcd_generation);
}
-static inline __u64 lcd_last_transno(struct lsd_client_data *lcd)
+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)
+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);
}
-/****************** superblock additional info *********************/
-#ifdef __KERNEL__
-
-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 lustre_disk_data *lsi_ldd; /* mount info on-disk */
- struct ll_sb_info *lsi_llsbi; /* add'l client sbi info */
- struct vfsmount *lsi_srv_mnt; /* the one server mount */
- cfs_atomic_t lsi_mounts; /* references to the srv_mnt */
- struct backing_dev_info lsi_bdi; /* each client mountpoint needs
- own backing_dev_info */
-};
-
-#define LSI_SERVER 0x00000001
-#define LSI_UMOUNT_FORCE 0x00000010
-#define LSI_UMOUNT_FAILOVER 0x00000020
-#define LSI_BDI_INITIALIZED 0x00000040
-#define LSI_IR_CAPABLE 0x00000080
-
-#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)
-#define get_mount_flags(sb) (s2lsi(sb)->lsi_lmd->lmd_flags)
-
-#endif /* __KERNEL__ */
-
/****************** 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);
+#endif /* HAVE_SERVER_SUPPORT */
+
+int server_name2svname(const char *label, char *svname, const char **endptr,
+ size_t svsize);
+void obdname2fsname(const char *tgt, char *fsname, size_t buflen);
+
+#ifdef HAVE_SERVER_SUPPORT
+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,
+ char *s1, char *s2, char *s3, char *s4);
+int lustre_start_mgc(struct super_block *sb);
+#endif /* HAVE_SERVER_SUPPORT */
void lustre_register_client_fill_super(int (*cfs)(struct super_block *sb,
- struct vfsmount *mnt));
+ struct vfsmount *mnt));
void lustre_register_kill_super_cb(void (*cfs)(struct super_block *sb));
-
-
int lustre_common_put_super(struct super_block *sb);
-struct lustre_mount_info *server_find_mount_locked(const char *name);
+
+# ifdef HAVE_SERVER_SUPPORT
+/* 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_register_target(struct super_block *sb);
+int server_put_mount(const char *name, bool dereg_mnt);
struct mgs_target_info;
-int server_mti_print(char *title, struct mgs_target_info *mti);
+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);
+# endif
-/* mgc_request.c */
int mgc_fsname2resid(char *fsname, struct ldlm_res_id *res_id, int type);
-
-#endif
+int mgc_logname2resid(char *fsname, struct ldlm_res_id *res_id, int type);
/** @} disk */
-#endif // _LUSTRE_DISK_H
+#endif /* _LUSTRE_DISK_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff