*
* 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, Whamcloud, Inc.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _MOUNT_UTILS_H_
#define _MOUNT_UTILS_H_
-#include <lustre_disk.h>
+/* Some of the userland headers for libzfs also require
+ * zfs/spl linux kernel headers, but including these pull
+ * in linux kernel headers which conflicts with the
+ * userland version of libcfs. So the solution is tell the
+ * libzfs user land headrs that the zfs/spl kernel headers
+ * are already included even if this is not the case.
+ */
+#ifdef HAVE_ZFS_OSD
+#define _SPL_ZFS_H
+#define _SPL_SIGNAL_H
+#endif
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <libcfs/util/list.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_FORCEFORMAT 0x02
#define MO_FAILOVER 0x04
#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 */
char **mo_pool_vdevs; /* list of pool vdevs */
char mo_loopdev[128]; /* in case a loop dev is needed */
char mo_mkfsopts[512]; /* options to the backing-store mkfs */
- __u64 mo_device_sz; /* in KB */
+ char *mo_mountopts; /* mount options for backing fs */
+ __u64 mo_device_kb; /* in KB */
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 */
+ char mo_target[PATH_MAX]; /* mount directory */
+#ifdef HAVE_GSS
+ char mo_skpath[PATH_MAX]; /* shared key file/directory */
+#endif
+ int mo_nomtab;
+ int mo_fake;
+ int mo_force;
+ int mo_retry;
+ 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)
+
+#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 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))
+
+
/* mkfs/mount helper functions */
void fatal(void);
int run_command_err(char *cmd, int cmdsz, char *error_msg);
int run_command(char *cmd, int cmdsz);
int add_param(char *buf, char *key, char *val);
+int append_param(char *buf, char *key, char *val, char sep);
int get_param(char *buf, char *key, char **val);
char *strscat(char *dst, char *src, int buflen);
char *strscpy(char *dst, char *src, int buflen);
int check_mtab_entry(char *spec1, char *spec2, char *mntpt, char *type);
int update_mtab_entry(char *spec, char *mtpt, char *type, char *opts,
int flags, int freq, int pass);
-int check_mountfsoptions(char *mountopts, char *wanted_mountopts, int justwarn);
+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 is_block(char *devname);
-void disp_old_e2fsprogs_msg(const char *feature, int make_backfs);
-int make_lustre_backfs(struct mkfs_opts *mop);
-int write_local_files(struct mkfs_opts *mop);
-int read_local_files(struct mkfs_opts *mop);
-int is_lustre_target(struct mkfs_opts *mop);
+int lustre_rename_fsname(struct mkfs_opts *mop, const char *mntpt,
+ const char *oldname);
/* loopback helper functions */
-int file_create(char *path, int size);
+int file_create(char *path, __u64 size);
int loop_format(struct mkfs_opts *mop);
int loop_setup(struct mkfs_opts *mop);
int loop_cleanup(struct mkfs_opts *mop);
/* 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,
- char *default_mountopts, int default_len,
- char *always_mountopts, int always_len);
+ char *wanted_mountopts, size_t len);
+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);
+
+struct module_backfs_ops {
+ int (*init)(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,
+ char *wanted_mountopts, size_t len);
+ int (*fix_mountopts)(struct mkfs_opts *mop,
+ char *mountopts, size_t len);
+ 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;
+};
-int ldiskfs_write_ldd(struct mkfs_opts *mop);
-int ldiskfs_read_ldd(char *dev, struct lustre_disk_data *ldd);
-int ldiskfs_is_lustre(char *dev, unsigned *mount_type);
-int ldiskfs_make_lustre(struct mkfs_opts *mop);
-int ldiskfs_prepare_lustre(struct mkfs_opts *mop,
- char *default_mountopts, int default_len,
- char *always_mountopts, int always_len);
+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
+static inline int load_shared_keys(struct mount_opts *mop)
+{
+ return EOPNOTSUPP;
+}
+#endif
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff