-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * 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
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define _MOUNT_UTILS_H_
#include <lustre_disk.h>
+#include <lustre_param.h>
+
+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 MAX_LOOP_DEVICES 16
+#define INDEX_UNASSIGNED 0xFFFF
+
+/* 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 to the backing-store mkfs */
+ __u64 mo_device_sz; /* in KB */
+ int mo_stripe_count;
+ int mo_flags;
+ int mo_mgs_failnodes;
+};
+
+/* used to describe the options to mount the lustre disk */
+struct mount_opts {
+ struct lustre_disk_data mo_ldd;
+ 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 */
+ int mo_nomtab;
+ int mo_fake;
+ int mo_force;
+ int mo_retry;
+ int mo_have_mgsnid;
+ int mo_md_stripe_cache_size;
+};
-void fatal(void);
-int run_command(char *, int);
int get_mountdata(char *, struct lustre_disk_data *);
-void register_service_tags(char *, char *, char *);
+
+/* 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 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);
+void trim_mountfsoptions(char *s);
+__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);
+
+/* loopback helper functions */
+int file_create(char *path, int 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_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);
+int osd_tune_lustre(char *dev, struct mount_opts *mop);
+int osd_init(void);
+void osd_fini(void);
+
+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);
+int ldiskfs_tune_lustre(char *dev, struct mount_opts *mop);
+int ldiskfs_init(void);
+void ldiskfs_fini(void);
+
+#ifdef HAVE_ZFS_OSD
+int zfs_write_ldd(struct mkfs_opts *mop);
+int zfs_read_ldd(char *ds, struct lustre_disk_data *ldd);
+int zfs_is_lustre(char *dev, unsigned *mount_type);
+int zfs_make_lustre(struct mkfs_opts *mop);
+int zfs_prepare_lustre(struct mkfs_opts *mop,
+ char *default_mountopts, int default_len,
+ char *always_mountopts, int always_len);
+int zfs_tune_lustre(char *dev, struct mount_opts *mop);
+int zfs_init(void);
+void zfs_fini(void);
+#endif
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff