*
* 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/
- * Lustre is a trademark of Sun Microsystems, Inc.
*/
#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>
-void fatal(void);
-int run_command(char *, int);
+#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;
+extern int failover;
+
+#define vprint(fmt, arg...) if (verbose > 0) printf(fmt, ##arg)
+#define verrprint(fmt, arg...) if (verbose >= 0) fprintf(stderr, fmt, ##arg)
+
+/* mo_flags */
+#define MO_IS_LOOP 0x01
+#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
+/* 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_device[128]; /* disk device name */
+ char **mo_pool_vdevs; /* list of pool vdevs */
+ char mo_loopdev[128]; /* in case a loop dev is needed */
+ char mo_mkfsopts[512]; /* options for backing-store mkfs */
+ char *mo_mountopts; /* mount options for backing fs */
+ long long mo_device_kb; /* in KB */
+ int mo_blocksize_kb; /* blocksize 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 const char *mt_str(enum ldd_mount_type mt)
+{
+ static const char * const mount_type_string[] = {
+ "ext3",
+ "ldiskfs",
+ "smfs",
+ "reiserfs",
+ "ldiskfs2",
+ "zfs",
+ };
+ return mount_type_string[mt];
+}
+
+static inline const char *mt_type(enum ldd_mount_type mt)
+{
+ static const char * const 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 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);
+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 *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;
+};
+
+extern struct module_backfs_ops zfs_ops;
+extern 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