*
* 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) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <sys/stat.h>
#include <libcfs/util/list.h>
-#include <lustre_disk.h>
-#include <lustre_param.h>
+#include <linux/lustre/lustre_param.h>
+#ifdef HAVE_SERVER_SUPPORT
+#include <linux/lustre/lustre_disk.h>
+#endif
extern char *progname;
extern int verbose;
#define MO_DRYRUN 0x08
#define MO_QUOTA 0x10
#define MO_NOHOSTID_CHECK 0x20
+#define MO_RENAME 0x40
+#define MO_ERASE_ALL 0x80
#define MAX_LOOP_DEVICES 16
#define INDEX_UNASSIGNED 0xFFFF
+/* Maximum length of on-disk parameters in the form key=<value> */
+#define PARAM_MAX 4096
+
+#ifdef HAVE_SERVER_SUPPORT
+/* 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) */
+
+ char ldd_userdata[1024 - 200]; /* arbitrary user string '200' */
+ __u8 ldd_padding[4096 - 1024]; /* 1024 */
+ char ldd_mount_opts[4096]; /* target fs mount opts '4096' */
+ char ldd_params[4096]; /* key=value pairs '8192' */
+};
+
/* used to describe the options to format the lustre disk, not persistent */
struct mkfs_opts {
struct lustre_disk_data mo_ldd; /* to be written in MOUNT_DATA_FILE */
int mo_stripe_count;
int mo_flags;
int mo_mgs_failnodes;
+ int mo_inode_size;
};
+#endif
/* used to describe the options to mount the lustre disk */
struct mount_opts {
+#ifdef HAVE_SERVER_SUPPORT
struct lustre_disk_data mo_ldd;
+#endif
char *mo_orig_options;
char *mo_usource; /* user-specified mount device */
char *mo_source; /* our mount device name */
int mo_have_mgsnid;
int mo_md_stripe_cache_size;
int mo_nosvc;
+ int mo_max_sectors_kb;
};
+#ifdef HAVE_SERVER_SUPPORT
int get_mountdata(char *, struct lustre_disk_data *);
+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];
+}
+#endif /* HAVE_SERVER_SUPPORT */
+
#define MT_STR(data) mt_str((data)->ldd_mount_type)
-#undef IS_MDT
#define IS_MDT(data) ((data)->ldd_flags & LDD_F_SV_TYPE_MDT)
-#undef IS_OST
#define IS_OST(data) ((data)->ldd_flags & LDD_F_SV_TYPE_OST)
-#undef IS_MGS
#define IS_MGS(data) ((data)->ldd_flags & LDD_F_SV_TYPE_MGS)
-#undef IS_SERVER
+#define IS_SEPARATED_MGS(data) ((data)->ldd_flags == LDD_F_SV_TYPE_MGS)
#define IS_SERVER(data) ((data)->ldd_flags & (LDD_F_SV_TYPE_MGS | \
LDD_F_SV_TYPE_MDT | LDD_F_SV_TYPE_OST))
int update_utab_entry(struct mount_opts *mop);
int check_mountfsoptions(char *mountopts, char *wanted_mountopts);
void trim_mountfsoptions(char *s);
+#ifdef HAVE_SERVER_SUPPORT
__u64 get_device_size(char* device);
+int lustre_rename_fsname(struct mkfs_opts *mop, const char *mntpt,
+ const char *oldname);
/* loopback helper functions */
int file_create(char *path, __u64 size);
/* generic target support */
int osd_write_ldd(struct mkfs_opts *mop);
int osd_read_ldd(char *dev, struct lustre_disk_data *ldd);
+int osd_erase_ldd(struct mkfs_opts *mop, char *param);
+void osd_print_ldd_params(struct mkfs_opts *mop);
int osd_is_lustre(char *dev, unsigned *mount_type);
int osd_make_lustre(struct mkfs_opts *mop);
int osd_prepare_lustre(struct mkfs_opts *mop,
int osd_fix_mountopts(struct mkfs_opts *mop, char *mountopts, size_t len);
int osd_tune_lustre(char *dev, struct mount_opts *mop);
int osd_label_lustre(struct mount_opts *mop);
+int osd_rename_fsname(struct mkfs_opts *mop, const char *oldname);
int osd_enable_quota(struct mkfs_opts *mop);
int osd_init(void);
void osd_fini(void);
void (*fini)(void);
int (*read_ldd)(char *ds, struct lustre_disk_data *ldd);
int (*write_ldd)(struct mkfs_opts *mop);
+ int (*erase_ldd)(struct mkfs_opts *mop, char *param);
+ void (*print_ldd_params)(struct mkfs_opts *mop);
int (*is_lustre)(char *dev, enum ldd_mount_type *mount_type);
int (*make_lustre)(struct mkfs_opts *mop);
int (*prepare_lustre)(struct mkfs_opts *mop,
int (*tune_lustre)(char *dev, struct mount_opts *mop);
int (*label_lustre)(struct mount_opts *mop);
int (*enable_quota)(struct mkfs_opts *mop);
+ int (*rename_fsname)(struct mkfs_opts *mop, const char *oldname);
void *dl_handle;
};
+struct module_backfs_ops zfs_ops;
+struct module_backfs_ops ldiskfs_ops;
+
struct module_backfs_ops *load_backfs_module(enum ldd_mount_type mount_type);
void unload_backfs_ops(struct module_backfs_ops *ops);
+#endif
+
#ifdef HAVE_OPENSSL_SSK
int load_shared_keys(struct mount_opts *mop);
#else
git://git.whamcloud.com / fs / lustre-release.git / blobdiff