LU-1581 utils: introduce osd_is_lustre() wrapper

[fs/lustre-release.git] / lustre / utils / mount_utils.h

diff --git a/lustre/utils/mount_utils.h b/lustre/utils/mount_utils.h
index 66309ad..cd74d89 100644 (file)
--- a/lustre/utils/mount_utils.h
+++ b/lustre/utils/mount_utils.h
@@ -1,6 +1,4 @@
-/* -*- 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.
@@ -41,8 +39,73 @@
 
 #include <lustre_disk.h>
 
-void fatal(void);
-int run_command(char *, int);
+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_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;
+};
+
 int get_mountdata(char *, struct lustre_disk_data *);
 
+/* 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_is_lustre(char *dev, unsigned *mount_type);
+int osd_prepare_lustre(struct mkfs_opts *mop,
+                      char *default_mountopts, int default_len,
+                      char *always_mountopts, int always_len);
+
+int ldiskfs_is_lustre(char *dev, unsigned *mount_type);
+int ldiskfs_prepare_lustre(struct mkfs_opts *mop,
+                          char *default_mountopts, int default_len,
+                          char *always_mountopts, int always_len);
+
 #endif