X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Futils%2Fmount_utils.h;h=7c130c4378276622dba3324994cd606bb4c1d77d;hp=f070f3af2b5f2bc1410b68100a41261583050934;hb=b5ddb7dab5fca41b493212002406034925770942;hpb=e3a7c58aebafce40323db54bf6056029e5af4a70 diff --git a/lustre/utils/mount_utils.h b/lustre/utils/mount_utils.h index f070f3a..7c130c4 100644 --- a/lustre/utils/mount_utils.h +++ b/lustre/utils/mount_utils.h @@ -15,11 +15,7 @@ * * 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 */ @@ -27,20 +23,221 @@ * 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 +/* 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 +#include +#include +#include +#include +#include +#include +#include +#include -void fatal(void); -int run_command(char *, int); +#include +#include +#ifdef HAVE_SERVER_SUPPORT +#include +#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= */ +#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