X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_disk.h;h=841eeebcf8340d4262c6d9ceb441956e600e0891;hb=f38f09e02a05c82718344ad86f80a4a0f399af9d;hp=0cc200ac2bb25c1fc926e91b11ccf10e3541ba52;hpb=ba32c6bbeb2d11429d06c5f4c2efbf20172a10b3;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre_disk.h b/lustre/include/lustre_disk.h index 0cc200a..4821985 100644 --- a/lustre/include/lustre_disk.h +++ b/lustre/include/lustre_disk.h @@ -1,285 +1,371 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * GPL HEADER START * - * Copyright (C) 2006 Cluster File Systems, Inc. - * Author: Nathan Rutman + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * - * This file is part of Lustre, http://www.lustre.org. + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 only, + * as published by the Free Software Foundation. * - * Lustre is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License version 2 for more details (a copy is included + * in the LICENSE file that accompanied this code). * - * Lustre is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * You should have received a copy of the GNU General Public License + * version 2 along with this program; If not, see + * http://www.gnu.org/licenses/gpl-2.0.html * - * You should have received a copy of the GNU General Public License - * along with Lustre; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * GPL HEADER END + */ +/* + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2011, 2017, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. * + * lustre/include/lustre_disk.h * * Lustre disk format definitions. + * + * Author: Nathan Rutman */ #ifndef _LUSTRE_DISK_H #define _LUSTRE_DISK_H -#include - -/****************** on-disk files *********************/ - -#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_rcvd" -#define LOV_OBJID "lov_objid" -#define HEALTH_CHECK "health_check" - - -/****************** 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 all related config logs */ -#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_LDISKFS, - 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[] = { - "ext3", - "ldiskfs", - "smfs", - "reiserfs", - "ldiskfs2", - }; - 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 */ - 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)) { - 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); - +/** \defgroup disk disk + * + * @{ + */ +#include +#include +#include +#include +#include +#include +#include + +#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 +/* The lmd is only used internally by Lustre; mount simply passes + * 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; - char *lmd_dev; /* device name */ - char *lmd_profile; /* client only */ - 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_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT) - +#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_FLG_NO_PRECREATE 0x10000 /* do not allow OST object creation */ +#define LMD_FLG_LOCAL_RECOV 0x20000 /* force recovery for local clients */ +#define LMD_FLG_ABORT_RECOV_MDT 0x40000 /* Abort recovery between MDTs */ +#define LMD_FLG_NO_LOCAL_LOGS 0x80000 /* Use config logs from MGS */ + +#define lmd_is_client(x) ((x)->lmd_flags & LMD_FLG_CLIENT) -/****************** last_rcvd file *********************/ +/****************** superblock additional info *********************/ +struct ll_sb_info; +struct kobject; -#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" +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 */ + struct kobject *lsi_kobj; + 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 */ + /* protect lsi_lwp_list */ + struct mutex lsi_lwp_mutex; + struct list_head lsi_lwp_list; + unsigned long lsi_lwp_started:1, + lsi_server_started:1; +#ifdef CONFIG_LL_ENCRYPTION + const struct llcrypt_operations *lsi_cop; + struct key *lsi_master_keys; /* master crypto keys used */ #endif -/* This limit is arbitrary (32k 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. */ -#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 */ -#define OBD_INCOMPAT_MDT 0x00000004 /* this is an MDT */ -#define OBD_INCOMPAT_COMMON_LR 0x00000008 /* common last_rvcd format */ - - -/* 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 */ - __u8 lsd_padding[LR_SERVER_SIZE - 148]; }; -/* 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 */ - __u8 lcd_padding[LR_CLIENT_SIZE - 88]; -}; +#define LSI_UMOUNT_FAILOVER 0x00200000 +#define s2lsi(sb) ((struct lustre_sb_info *)((sb)->s_fs_info)) +#define s2lsi_nocast(sb) ((sb)->s_fs_info) -#ifdef __KERNEL__ -/****************** superblock additional info *********************/ -struct ll_sb_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 * 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) > (PAGE_SIZE * 8) +#define LR_MAX_CLIENTS (128 * 1024UL) +#else +#define LR_MAX_CLIENTS (PAGE_SIZE * 8) +#endif -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 */ - atomic_t lsi_mounts; /* references to the srv_mnt */ -}; +/** COMPAT_146: this is an OST (temporary) */ +#define OBD_COMPAT_OST 0x00000002 +/** COMPAT_146: this is an MDT (temporary) */ +#define OBD_COMPAT_MDT 0x00000004 +/** 2.0 server, interop flag to show server version is changed */ +#define OBD_COMPAT_20 0x00000008 + +/** MDS handles LOV_OBJID file */ +#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 +/** 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 +/** Size-on-MDS is enabled */ +#define OBD_INCOMPAT_SOM 0x00000020 +/** filesystem using iam format to store directory entries */ +#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 + * 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 + * stripe count */ +#define OBD_INCOMPAT_LMM_VER 0x00000100 +/** multiple OI files for MDT */ +#define OBD_INCOMPAT_MULTI_OI 0x00000200 +/** 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_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); +} -#define LSI_SERVER 0x00000001 -#define LSI_UMOUNT_FORCE 0x00000010 -#define LSI_UMOUNT_FAILOVER 0x00000020 +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_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); +} -#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 +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_generation = le32_to_cpu(buf->lcd_generation); +} -#define get_profile_name(sb) (s2lsi(sb)->lsi_lmd->lmd_profile) +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_generation = cpu_to_le32(lcd->lcd_generation); +} -#endif /* __KERNEL__ */ +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); +} /****************** mount lookup info *********************/ struct lustre_mount_info { - char *lmi_name; - struct super_block *lmi_sb; - struct vfsmount *lmi_mnt; - struct list_head lmi_list_chain; + char *lmi_name; + struct super_block *lmi_sb; + struct list_head lmi_list_chain; }; /****************** prototypes *********************/ -#ifdef __KERNEL__ -#include +/* obd_mount_server.c */ +int server_fill_super(struct super_block *sb); +struct lustre_mount_info *server_get_mount(const char *name); +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); /* obd_mount.c */ -void lustre_register_client_fill_super(int (*cfs)(struct super_block *sb)); +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, + char *s1, char *s2, char *s3, char *s4); +#endif /* HAVE_SERVER_SUPPORT */ +int server_name2fsname(const char *svname, char *fsname, const char **endptr); +void obdname2fsname(const char *tgt, char *fsname, size_t fslen); + +int lustre_start_mgc(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); -int server_register_target(struct super_block *sb); -struct mgs_target_info; -int server_mti_print(char *title, struct mgs_target_info *mti); + +struct lustre_sb_info *lustre_init_lsi(struct super_block *sb); +int lustre_put_lsi(struct super_block *sb); +int lmd_parse(char *options, struct lustre_mount_data *lmd); /* 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, int type); +int mgc_logname2resid(char *fsname, struct ldlm_res_id *res_id, int type); -#endif +/** @} disk */ -#endif // _LUSTRE_DISK_H +#endif /* _LUSTRE_DISK_H */