/* 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; /* disk device name */
+ 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 */
+ __u64 mo_device_kb; /* in KB */
int mo_stripe_count;
int mo_flags;
int mo_mgs_failnodes;
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 get_realpath(char *path, 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);
+__u64 get_device_size(char* device);
/* loopback helper functions */
int file_create(char *path, __u64 size);
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_label_lustre(struct mount_opts *mop);
-int ldiskfs_enable_quota(struct mkfs_opts *mop);
-int ldiskfs_init(void);
-void ldiskfs_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 (*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 *default_mountopts, int default_len,
+ char *always_mountopts, int always_len);
+ int (*tune_lustre)(char *dev, struct mount_opts *mop);
+ int (*label_lustre)(struct mount_opts *mop);
+ int (*enable_quota)(struct mkfs_opts *mop);
+ void *dl_handle;
+};
-#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_label_lustre(struct mount_opts *mop);
-int zfs_init(void);
-void zfs_fini(void);
-#endif
+struct module_backfs_ops *load_backfs_module(enum ldd_mount_type mount_type);
+void unload_backfs_ops(struct module_backfs_ops *ops);
#endif