* 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, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#ifndef _MOUNT_UTILS_H_
#define _MOUNT_UTILS_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 <lustre_disk.h>
+#include <lustre_param.h>
extern char *progname;
extern int verbose;
#define MO_FORCEFORMAT 0x02
#define MO_FAILOVER 0x04
#define MO_DRYRUN 0x08
+#define MO_QUOTA 0x10
#define MAX_LOOP_DEVICES 16
#define INDEX_UNASSIGNED 0xFFFF
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_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;
+ int mo_nosvc;
+};
+
int get_mountdata(char *, struct lustre_disk_data *);
+#define MT_STR(data) mt_str((data)->ldd_mount_type)
+
+#undef IS_MDT
+#define IS_MDT(data) ((data)->ldd_flags & LDD_F_SV_TYPE_MDT)
+#undef IS_OST
+#define IS_OST(data) ((data)->ldd_flags & LDD_F_SV_TYPE_OST)
+#undef IS_MGS
+#define IS_MGS(data) ((data)->ldd_flags & LDD_F_SV_TYPE_MGS)
+
/* mkfs/mount helper functions */
void fatal(void);
int run_command_err(char *cmd, int cmdsz, char *error_msg);
int is_lustre_target(struct mkfs_opts *mop);
/* 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_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_label_lustre(struct mount_opts *mop);
+int osd_enable_quota(struct mkfs_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_label_lustre(struct mount_opts *mop);
+int ldiskfs_enable_quota(struct mkfs_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_label_lustre(struct mount_opts *mop);
+int zfs_init(void);
+void zfs_fini(void);
+#endif
+
#endif