FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/libzfs.h

     /*
      * CDDL HEADER START
      *
      * The contents of this file are subject to the terms of the
      * Common Development and Distribution License (the "License").
      * You may not use this file except in compliance with the License.
      *
      * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      * or https://opensource.org/licenses/CDDL-1.0.
     * See the License for the specific language governing permissions
     * and limitations under the License.
     *
     * When distributing Covered Code, include this CDDL HEADER in each
     * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     * If applicable, add the following below this CDDL HEADER, with the
     * fields enclosed by brackets "[]" replaced with your own identifying
     * information: Portions Copyright [yyyy] [name of copyright owner]
     *
     * CDDL HEADER END
     */
    
    /*
     * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
     * Copyright (c) 2011, 2022 by Delphix. All rights reserved.
     * Copyright Joyent, Inc.
     * Copyright (c) 2013 Steven Hartland. All rights reserved.
     * Copyright (c) 2016, Intel Corporation.
     * Copyright 2016 Nexenta Systems, Inc.
     * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
     * Copyright (c) 2019 Datto Inc.
     * Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
     */
    
    #ifndef _LIBZFS_H
    #define _LIBZFS_H extern __attribute__((visibility("default")))
    
    #include <assert.h>
    #include <libshare.h>
    #include <libnvpair.h>
    #include <sys/mnttab.h>
    #include <sys/param.h>
    #include <sys/types.h>
    #include <sys/fs/zfs.h>
    #include <sys/avl.h>
    #include <libzfs_core.h>
    
    #ifdef  __cplusplus
    extern "C" {
    #endif
    
    /*
     * Miscellaneous ZFS constants
     */
    #define ZFS_MAXPROPLEN          MAXPATHLEN
    #define ZPOOL_MAXPROPLEN        MAXPATHLEN
    
    /*
     * libzfs errors
     */
    typedef enum zfs_error {
            EZFS_SUCCESS = 0,       /* no error -- success */
            EZFS_NOMEM = 2000,      /* out of memory */
            EZFS_BADPROP,           /* invalid property value */
            EZFS_PROPREADONLY,      /* cannot set readonly property */
            EZFS_PROPTYPE,          /* property does not apply to dataset type */
            EZFS_PROPNONINHERIT,    /* property is not inheritable */
            EZFS_PROPSPACE,         /* bad quota or reservation */
            EZFS_BADTYPE,           /* dataset is not of appropriate type */
            EZFS_BUSY,              /* pool or dataset is busy */
            EZFS_EXISTS,            /* pool or dataset already exists */
            EZFS_NOENT,             /* no such pool or dataset */
            EZFS_BADSTREAM,         /* bad backup stream */
            EZFS_DSREADONLY,        /* dataset is readonly */
            EZFS_VOLTOOBIG,         /* volume is too large for 32-bit system */
            EZFS_INVALIDNAME,       /* invalid dataset name */
            EZFS_BADRESTORE,        /* unable to restore to destination */
            EZFS_BADBACKUP,         /* backup failed */
            EZFS_BADTARGET,         /* bad attach/detach/replace target */
            EZFS_NODEVICE,          /* no such device in pool */
            EZFS_BADDEV,            /* invalid device to add */
            EZFS_NOREPLICAS,        /* no valid replicas */
            EZFS_RESILVERING,       /* resilvering (healing reconstruction) */
            EZFS_BADVERSION,        /* unsupported version */
            EZFS_POOLUNAVAIL,       /* pool is currently unavailable */
            EZFS_DEVOVERFLOW,       /* too many devices in one vdev */
            EZFS_BADPATH,           /* must be an absolute path */
            EZFS_CROSSTARGET,       /* rename or clone across pool or dataset */
            EZFS_ZONED,             /* used improperly in local zone */
            EZFS_MOUNTFAILED,       /* failed to mount dataset */
            EZFS_UMOUNTFAILED,      /* failed to unmount dataset */
            EZFS_UNSHARENFSFAILED,  /* failed to unshare over nfs */
            EZFS_SHARENFSFAILED,    /* failed to share over nfs */
            EZFS_PERM,              /* permission denied */
            EZFS_NOSPC,             /* out of space */
            EZFS_FAULT,             /* bad address */
            EZFS_IO,                /* I/O error */
            EZFS_INTR,              /* signal received */
            EZFS_ISSPARE,           /* device is a hot spare */
            EZFS_INVALCONFIG,       /* invalid vdev configuration */
           EZFS_RECURSIVE,         /* recursive dependency */
           EZFS_NOHISTORY,         /* no history object */
           EZFS_POOLPROPS,         /* couldn't retrieve pool props */
           EZFS_POOL_NOTSUP,       /* ops not supported for this type of pool */
           EZFS_POOL_INVALARG,     /* invalid argument for this pool operation */
           EZFS_NAMETOOLONG,       /* dataset name is too long */
           EZFS_OPENFAILED,        /* open of device failed */
           EZFS_NOCAP,             /* couldn't get capacity */
           EZFS_LABELFAILED,       /* write of label failed */
           EZFS_BADWHO,            /* invalid permission who */
           EZFS_BADPERM,           /* invalid permission */
           EZFS_BADPERMSET,        /* invalid permission set name */
           EZFS_NODELEGATION,      /* delegated administration is disabled */
           EZFS_UNSHARESMBFAILED,  /* failed to unshare over smb */
           EZFS_SHARESMBFAILED,    /* failed to share over smb */
           EZFS_BADCACHE,          /* bad cache file */
           EZFS_ISL2CACHE,         /* device is for the level 2 ARC */
           EZFS_VDEVNOTSUP,        /* unsupported vdev type */
           EZFS_NOTSUP,            /* ops not supported on this dataset */
           EZFS_ACTIVE_SPARE,      /* pool has active shared spare devices */
           EZFS_UNPLAYED_LOGS,     /* log device has unplayed logs */
           EZFS_REFTAG_RELE,       /* snapshot release: tag not found */
           EZFS_REFTAG_HOLD,       /* snapshot hold: tag already exists */
           EZFS_TAGTOOLONG,        /* snapshot hold/rele: tag too long */
           EZFS_PIPEFAILED,        /* pipe create failed */
           EZFS_THREADCREATEFAILED, /* thread create failed */
           EZFS_POSTSPLIT_ONLINE,  /* onlining a disk after splitting it */
           EZFS_SCRUBBING,         /* currently scrubbing */
           EZFS_NO_SCRUB,          /* no active scrub */
           EZFS_DIFF,              /* general failure of zfs diff */
           EZFS_DIFFDATA,          /* bad zfs diff data */
           EZFS_POOLREADONLY,      /* pool is in read-only mode */
           EZFS_SCRUB_PAUSED,      /* scrub currently paused */
           EZFS_ACTIVE_POOL,       /* pool is imported on a different system */
           EZFS_CRYPTOFAILED,      /* failed to setup encryption */
           EZFS_NO_PENDING,        /* cannot cancel, no operation is pending */
           EZFS_CHECKPOINT_EXISTS, /* checkpoint exists */
           EZFS_DISCARDING_CHECKPOINT,     /* currently discarding a checkpoint */
           EZFS_NO_CHECKPOINT,     /* pool has no checkpoint */
           EZFS_DEVRM_IN_PROGRESS, /* a device is currently being removed */
           EZFS_VDEV_TOO_BIG,      /* a device is too big to be used */
           EZFS_IOC_NOTSUPPORTED,  /* operation not supported by zfs module */
           EZFS_TOOMANY,           /* argument list too long */
           EZFS_INITIALIZING,      /* currently initializing */
           EZFS_NO_INITIALIZE,     /* no active initialize */
           EZFS_WRONG_PARENT,      /* invalid parent dataset (e.g ZVOL) */
           EZFS_TRIMMING,          /* currently trimming */
           EZFS_NO_TRIM,           /* no active trim */
           EZFS_TRIM_NOTSUP,       /* device does not support trim */
           EZFS_NO_RESILVER_DEFER, /* pool doesn't support resilver_defer */
           EZFS_EXPORT_IN_PROGRESS,        /* currently exporting the pool */
           EZFS_REBUILDING,        /* resilvering (sequential reconstrution) */
           EZFS_VDEV_NOTSUP,       /* ops not supported for this type of vdev */
           EZFS_NOT_USER_NAMESPACE,        /* a file is not a user namespace */
           EZFS_CKSUM,             /* insufficient replicas */
           EZFS_RESUME_EXISTS,     /* Resume on existing dataset without force */
           EZFS_UNKNOWN
   } zfs_error_t;
   
   /*
    * The following data structures are all part
    * of the zfs_allow_t data structure which is
    * used for printing 'allow' permissions.
    * It is a linked list of zfs_allow_t's which
    * then contain avl tree's for user/group/sets/...
    * and each one of the entries in those trees have
    * avl tree's for the permissions they belong to and
    * whether they are local,descendent or local+descendent
    * permissions.  The AVL trees are used primarily for
    * sorting purposes, but also so that we can quickly find
    * a given user and or permission.
    */
   typedef struct zfs_perm_node {
           avl_node_t z_node;
           char z_pname[MAXPATHLEN];
   } zfs_perm_node_t;
   
   typedef struct zfs_allow_node {
           avl_node_t z_node;
           char z_key[MAXPATHLEN];         /* name, such as joe */
           avl_tree_t z_localdescend;      /* local+descendent perms */
           avl_tree_t z_local;             /* local permissions */
           avl_tree_t z_descend;           /* descendent permissions */
   } zfs_allow_node_t;
   
   typedef struct zfs_allow {
           struct zfs_allow *z_next;
           char z_setpoint[MAXPATHLEN];
           avl_tree_t z_sets;
           avl_tree_t z_crperms;
           avl_tree_t z_user;
           avl_tree_t z_group;
           avl_tree_t z_everyone;
   } zfs_allow_t;
   
   /*
    * Basic handle types
    */
   typedef struct zfs_handle zfs_handle_t;
   typedef struct zpool_handle zpool_handle_t;
   typedef struct libzfs_handle libzfs_handle_t;
   
   _LIBZFS_H int zpool_wait(zpool_handle_t *, zpool_wait_activity_t);
   _LIBZFS_H int zpool_wait_status(zpool_handle_t *, zpool_wait_activity_t,
       boolean_t *, boolean_t *);
   
   /*
    * Library initialization
    */
   _LIBZFS_H libzfs_handle_t *libzfs_init(void);
   _LIBZFS_H void libzfs_fini(libzfs_handle_t *);
   
   _LIBZFS_H libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
   _LIBZFS_H libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
   
   _LIBZFS_H void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
   
   _LIBZFS_H void zfs_save_arguments(int argc, char **, char *, int);
   _LIBZFS_H int zpool_log_history(libzfs_handle_t *, const char *);
   
   _LIBZFS_H int libzfs_errno(libzfs_handle_t *);
   _LIBZFS_H const char *libzfs_error_init(int);
   _LIBZFS_H const char *libzfs_error_action(libzfs_handle_t *);
   _LIBZFS_H const char *libzfs_error_description(libzfs_handle_t *);
   _LIBZFS_H int zfs_standard_error(libzfs_handle_t *, int, const char *);
   _LIBZFS_H void libzfs_mnttab_init(libzfs_handle_t *);
   _LIBZFS_H void libzfs_mnttab_fini(libzfs_handle_t *);
   _LIBZFS_H void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
   _LIBZFS_H int libzfs_mnttab_find(libzfs_handle_t *, const char *,
       struct mnttab *);
   _LIBZFS_H void libzfs_mnttab_add(libzfs_handle_t *, const char *,
       const char *, const char *);
   _LIBZFS_H void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
   
   /*
    * Basic handle functions
    */
   _LIBZFS_H zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
   _LIBZFS_H zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
   _LIBZFS_H void zpool_close(zpool_handle_t *);
   _LIBZFS_H const char *zpool_get_name(zpool_handle_t *);
   _LIBZFS_H int zpool_get_state(zpool_handle_t *);
   _LIBZFS_H const char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
   _LIBZFS_H const char *zpool_pool_state_to_name(pool_state_t);
   _LIBZFS_H void zpool_free_handles(libzfs_handle_t *);
   
   /*
    * Iterate over all active pools in the system.
    */
   typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
   _LIBZFS_H int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
   _LIBZFS_H boolean_t zpool_skip_pool(const char *);
   
   /*
    * Functions to create and destroy pools
    */
   _LIBZFS_H int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
       nvlist_t *, nvlist_t *);
   _LIBZFS_H int zpool_destroy(zpool_handle_t *, const char *);
   _LIBZFS_H int zpool_add(zpool_handle_t *, nvlist_t *);
   
   typedef struct splitflags {
           /* do not split, but return the config that would be split off */
           unsigned int dryrun : 1;
   
           /* after splitting, import the pool */
           unsigned int import : 1;
           int name_flags;
   } splitflags_t;
   
   typedef struct trimflags {
           /* requested vdevs are for the entire pool */
           boolean_t fullpool;
   
           /* request a secure trim, requires support from device */
           boolean_t secure;
   
           /* after starting trim, block until trim completes */
           boolean_t wait;
   
           /* trim at the requested rate in bytes/second */
           uint64_t rate;
   } trimflags_t;
   
   /*
    * Functions to manipulate pool and vdev state
    */
   _LIBZFS_H int zpool_scan(zpool_handle_t *, pool_scan_func_t, pool_scrub_cmd_t);
   _LIBZFS_H int zpool_initialize(zpool_handle_t *, pool_initialize_func_t,
       nvlist_t *);
   _LIBZFS_H int zpool_initialize_wait(zpool_handle_t *, pool_initialize_func_t,
       nvlist_t *);
   _LIBZFS_H int zpool_trim(zpool_handle_t *, pool_trim_func_t, nvlist_t *,
       trimflags_t *);
   
   _LIBZFS_H int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
   _LIBZFS_H int zpool_reguid(zpool_handle_t *);
   _LIBZFS_H int zpool_reopen_one(zpool_handle_t *, void *);
   
   _LIBZFS_H int zpool_sync_one(zpool_handle_t *, void *);
   
   _LIBZFS_H int zpool_vdev_online(zpool_handle_t *, const char *, int,
       vdev_state_t *);
   _LIBZFS_H int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
   _LIBZFS_H int zpool_vdev_attach(zpool_handle_t *, const char *,
       const char *, nvlist_t *, int, boolean_t);
   _LIBZFS_H int zpool_vdev_detach(zpool_handle_t *, const char *);
   _LIBZFS_H int zpool_vdev_remove(zpool_handle_t *, const char *);
   _LIBZFS_H int zpool_vdev_remove_cancel(zpool_handle_t *);
   _LIBZFS_H int zpool_vdev_indirect_size(zpool_handle_t *, const char *,
       uint64_t *);
   _LIBZFS_H int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **,
       nvlist_t *, splitflags_t);
   _LIBZFS_H int zpool_vdev_remove_wanted(zpool_handle_t *, const char *);
   
   _LIBZFS_H int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
   _LIBZFS_H int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
   _LIBZFS_H int zpool_vdev_clear(zpool_handle_t *, uint64_t);
   
   _LIBZFS_H nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
       boolean_t *, boolean_t *);
   _LIBZFS_H nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
       boolean_t *, boolean_t *, boolean_t *);
   _LIBZFS_H int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *,
       const char *);
   _LIBZFS_H uint64_t zpool_vdev_path_to_guid(zpool_handle_t *zhp,
       const char *path);
   
   _LIBZFS_H const char *zpool_get_state_str(zpool_handle_t *);
   
   /*
    * Functions to manage pool properties
    */
   _LIBZFS_H int zpool_set_prop(zpool_handle_t *, const char *, const char *);
   _LIBZFS_H int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
       size_t proplen, zprop_source_t *, boolean_t literal);
   _LIBZFS_H uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
       zprop_source_t *);
   _LIBZFS_H int zpool_props_refresh(zpool_handle_t *);
   
   _LIBZFS_H const char *zpool_prop_to_name(zpool_prop_t);
   _LIBZFS_H const char *zpool_prop_values(zpool_prop_t);
   
   /*
    * Functions to manage vdev properties
    */
   _LIBZFS_H int zpool_get_vdev_prop_value(nvlist_t *, vdev_prop_t, char *, char *,
       size_t, zprop_source_t *, boolean_t);
   _LIBZFS_H int zpool_get_vdev_prop(zpool_handle_t *, const char *, vdev_prop_t,
       char *, char *, size_t, zprop_source_t *, boolean_t);
   _LIBZFS_H int zpool_get_all_vdev_props(zpool_handle_t *, const char *,
       nvlist_t **);
   _LIBZFS_H int zpool_set_vdev_prop(zpool_handle_t *, const char *, const char *,
       const char *);
   
   _LIBZFS_H const char *vdev_prop_to_name(vdev_prop_t);
   _LIBZFS_H const char *vdev_prop_values(vdev_prop_t);
   _LIBZFS_H boolean_t vdev_prop_user(const char *name);
   _LIBZFS_H const char *vdev_prop_column_name(vdev_prop_t);
   _LIBZFS_H boolean_t vdev_prop_align_right(vdev_prop_t);
   
   /*
    * Pool health statistics.
    */
   typedef enum {
           /*
            * The following correspond to faults as defined in the (fault.fs.zfs.*)
            * event namespace.  Each is associated with a corresponding message ID.
            * This must be kept in sync with the zfs_msgid_table in
            * lib/libzfs/libzfs_status.c.
            */
           ZPOOL_STATUS_CORRUPT_CACHE,     /* corrupt /kernel/drv/zpool.cache */
           ZPOOL_STATUS_MISSING_DEV_R,     /* missing device with replicas */
           ZPOOL_STATUS_MISSING_DEV_NR,    /* missing device with no replicas */
           ZPOOL_STATUS_CORRUPT_LABEL_R,   /* bad device label with replicas */
           ZPOOL_STATUS_CORRUPT_LABEL_NR,  /* bad device label with no replicas */
           ZPOOL_STATUS_BAD_GUID_SUM,      /* sum of device guids didn't match */
           ZPOOL_STATUS_CORRUPT_POOL,      /* pool metadata is corrupted */
           ZPOOL_STATUS_CORRUPT_DATA,      /* data errors in user (meta)data */
           ZPOOL_STATUS_FAILING_DEV,       /* device experiencing errors */
           ZPOOL_STATUS_VERSION_NEWER,     /* newer on-disk version */
           ZPOOL_STATUS_HOSTID_MISMATCH,   /* last accessed by another system */
           ZPOOL_STATUS_HOSTID_ACTIVE,     /* currently active on another system */
           ZPOOL_STATUS_HOSTID_REQUIRED,   /* multihost=on and hostid=0 */
           ZPOOL_STATUS_IO_FAILURE_WAIT,   /* failed I/O, failmode 'wait' */
           ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
           ZPOOL_STATUS_IO_FAILURE_MMP,    /* failed MMP, failmode not 'panic' */
           ZPOOL_STATUS_BAD_LOG,           /* cannot read log chain(s) */
           ZPOOL_STATUS_ERRATA,            /* informational errata available */
   
           /*
            * If the pool has unsupported features but can still be opened in
            * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
            * pool has unsupported features but cannot be opened at all, its
            * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
            */
           ZPOOL_STATUS_UNSUP_FEAT_READ,   /* unsupported features for read */
           ZPOOL_STATUS_UNSUP_FEAT_WRITE,  /* unsupported features for write */
   
           /*
            * These faults have no corresponding message ID.  At the time we are
            * checking the status, the original reason for the FMA fault (I/O or
            * checksum errors) has been lost.
            */
           ZPOOL_STATUS_FAULTED_DEV_R,     /* faulted device with replicas */
           ZPOOL_STATUS_FAULTED_DEV_NR,    /* faulted device with no replicas */
   
           /*
            * The following are not faults per se, but still an error possibly
            * requiring administrative attention.  There is no corresponding
            * message ID.
            */
           ZPOOL_STATUS_VERSION_OLDER,     /* older legacy on-disk version */
           ZPOOL_STATUS_FEAT_DISABLED,     /* supported features are disabled */
           ZPOOL_STATUS_RESILVERING,       /* device being resilvered */
           ZPOOL_STATUS_OFFLINE_DEV,       /* device offline */
           ZPOOL_STATUS_REMOVED_DEV,       /* removed device */
           ZPOOL_STATUS_REBUILDING,        /* device being rebuilt */
           ZPOOL_STATUS_REBUILD_SCRUB,     /* recommend scrubbing the pool */
           ZPOOL_STATUS_NON_NATIVE_ASHIFT, /* (e.g. 512e dev with ashift of 9) */
           ZPOOL_STATUS_COMPATIBILITY_ERR, /* bad 'compatibility' property */
           ZPOOL_STATUS_INCOMPATIBLE_FEAT, /* feature set outside compatibility */
   
           /*
            * Finally, the following indicates a healthy pool.
            */
           ZPOOL_STATUS_OK
   } zpool_status_t;
   
   _LIBZFS_H zpool_status_t zpool_get_status(zpool_handle_t *, const char **,
       zpool_errata_t *);
   _LIBZFS_H zpool_status_t zpool_import_status(nvlist_t *, const char **,
       zpool_errata_t *);
   
   /*
    * Statistics and configuration functions.
    */
   _LIBZFS_H nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
   _LIBZFS_H nvlist_t *zpool_get_features(zpool_handle_t *);
   _LIBZFS_H int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
   _LIBZFS_H int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
   
   /*
    * Import and export functions
    */
   _LIBZFS_H int zpool_export(zpool_handle_t *, boolean_t, const char *);
   _LIBZFS_H int zpool_export_force(zpool_handle_t *, const char *);
   _LIBZFS_H int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
       char *altroot);
   _LIBZFS_H int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
       nvlist_t *, int);
   _LIBZFS_H void zpool_print_unsup_feat(nvlist_t *config);
   
   /*
    * Miscellaneous pool functions
    */
   struct zfs_cmd;
   
   _LIBZFS_H const char *const zfs_history_event_names[];
   
   typedef enum {
           VDEV_NAME_PATH          = 1 << 0,
           VDEV_NAME_GUID          = 1 << 1,
           VDEV_NAME_FOLLOW_LINKS  = 1 << 2,
           VDEV_NAME_TYPE_ID       = 1 << 3,
   } vdev_name_t;
   
   _LIBZFS_H char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
       int name_flags);
   _LIBZFS_H int zpool_upgrade(zpool_handle_t *, uint64_t);
   _LIBZFS_H int zpool_get_history(zpool_handle_t *, nvlist_t **, uint64_t *,
       boolean_t *);
   _LIBZFS_H int zpool_events_next(libzfs_handle_t *, nvlist_t **, int *, unsigned,
       int);
   _LIBZFS_H int zpool_events_clear(libzfs_handle_t *, int *);
   _LIBZFS_H int zpool_events_seek(libzfs_handle_t *, uint64_t, int);
   _LIBZFS_H void zpool_obj_to_path_ds(zpool_handle_t *, uint64_t, uint64_t,
       char *, size_t);
   _LIBZFS_H void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
       size_t);
   _LIBZFS_H int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
   _LIBZFS_H void zpool_explain_recover(libzfs_handle_t *, const char *, int,
       nvlist_t *);
   _LIBZFS_H int zpool_checkpoint(zpool_handle_t *);
   _LIBZFS_H int zpool_discard_checkpoint(zpool_handle_t *);
   _LIBZFS_H boolean_t zpool_is_draid_spare(const char *);
   
   /*
    * Basic handle manipulations.  These functions do not create or destroy the
    * underlying datasets, only the references to them.
    */
   _LIBZFS_H zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
   _LIBZFS_H zfs_handle_t *zfs_handle_dup(zfs_handle_t *);
   _LIBZFS_H void zfs_close(zfs_handle_t *);
   _LIBZFS_H zfs_type_t zfs_get_type(const zfs_handle_t *);
   _LIBZFS_H zfs_type_t zfs_get_underlying_type(const zfs_handle_t *);
   _LIBZFS_H const char *zfs_get_name(const zfs_handle_t *);
   _LIBZFS_H zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
   _LIBZFS_H const char *zfs_get_pool_name(const zfs_handle_t *);
   
   /*
    * Property management functions.  Some functions are shared with the kernel,
    * and are found in sys/fs/zfs.h.
    */
   
   /*
    * zfs dataset property management
    */
   _LIBZFS_H const char *zfs_prop_default_string(zfs_prop_t);
   _LIBZFS_H uint64_t zfs_prop_default_numeric(zfs_prop_t);
   _LIBZFS_H const char *zfs_prop_column_name(zfs_prop_t);
   _LIBZFS_H boolean_t zfs_prop_align_right(zfs_prop_t);
   
   _LIBZFS_H nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
       nvlist_t *, uint64_t, zfs_handle_t *, zpool_handle_t *, boolean_t,
       const char *);
   
   _LIBZFS_H const char *zfs_prop_to_name(zfs_prop_t);
   _LIBZFS_H int zfs_prop_set(zfs_handle_t *, const char *, const char *);
   _LIBZFS_H int zfs_prop_set_list(zfs_handle_t *, nvlist_t *);
   _LIBZFS_H int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
       zprop_source_t *, char *, size_t, boolean_t);
   _LIBZFS_H int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
       boolean_t);
   _LIBZFS_H int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
       zprop_source_t *, char *, size_t);
   _LIBZFS_H int zfs_prop_get_userquota_int(zfs_handle_t *zhp,
       const char *propname, uint64_t *propvalue);
   _LIBZFS_H int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
       char *propbuf, int proplen, boolean_t literal);
   _LIBZFS_H int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
       uint64_t *propvalue);
   _LIBZFS_H int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
       char *propbuf, int proplen, boolean_t literal);
   _LIBZFS_H int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname,
       char *buf, size_t len);
   _LIBZFS_H uint64_t getprop_uint64(zfs_handle_t *, zfs_prop_t, char **);
   _LIBZFS_H uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
   _LIBZFS_H int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
   _LIBZFS_H const char *zfs_prop_values(zfs_prop_t);
   _LIBZFS_H int zfs_prop_is_string(zfs_prop_t prop);
   _LIBZFS_H nvlist_t *zfs_get_all_props(zfs_handle_t *);
   _LIBZFS_H nvlist_t *zfs_get_user_props(zfs_handle_t *);
   _LIBZFS_H nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
   _LIBZFS_H nvlist_t *zfs_get_clones_nvl(zfs_handle_t *);
   
   _LIBZFS_H int zfs_wait_status(zfs_handle_t *, zfs_wait_activity_t,
       boolean_t *, boolean_t *);
   
   /*
    * zfs encryption management
    */
   _LIBZFS_H int zfs_crypto_get_encryption_root(zfs_handle_t *, boolean_t *,
       char *);
   _LIBZFS_H int zfs_crypto_create(libzfs_handle_t *, char *, nvlist_t *,
       nvlist_t *, boolean_t stdin_available, uint8_t **, uint_t *);
   _LIBZFS_H int zfs_crypto_clone_check(libzfs_handle_t *, zfs_handle_t *, char *,
       nvlist_t *);
   _LIBZFS_H int zfs_crypto_attempt_load_keys(libzfs_handle_t *, const char *);
   _LIBZFS_H int zfs_crypto_load_key(zfs_handle_t *, boolean_t, const char *);
   _LIBZFS_H int zfs_crypto_unload_key(zfs_handle_t *);
   _LIBZFS_H int zfs_crypto_rewrap(zfs_handle_t *, nvlist_t *, boolean_t);
   
   typedef struct zprop_list {
           int             pl_prop;
           char            *pl_user_prop;
           struct zprop_list *pl_next;
           boolean_t       pl_all;
           size_t          pl_width;
           size_t          pl_recvd_width;
           boolean_t       pl_fixed;
   } zprop_list_t;
   
   _LIBZFS_H int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t,
       boolean_t);
   _LIBZFS_H void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
   _LIBZFS_H int vdev_expand_proplist(zpool_handle_t *, const char *,
       zprop_list_t **);
   
   #define ZFS_MOUNTPOINT_NONE     "none"
   #define ZFS_MOUNTPOINT_LEGACY   "legacy"
   
   #define ZFS_FEATURE_DISABLED    "disabled"
   #define ZFS_FEATURE_ENABLED     "enabled"
   #define ZFS_FEATURE_ACTIVE      "active"
   
   #define ZFS_UNSUPPORTED_INACTIVE        "inactive"
   #define ZFS_UNSUPPORTED_READONLY        "readonly"
   
   /*
    * zpool property management
    */
   _LIBZFS_H int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **,
       zfs_type_t, boolean_t);
   _LIBZFS_H int zpool_prop_get_feature(zpool_handle_t *, const char *, char *,
       size_t);
   _LIBZFS_H const char *zpool_prop_default_string(zpool_prop_t);
   _LIBZFS_H uint64_t zpool_prop_default_numeric(zpool_prop_t);
   _LIBZFS_H const char *zpool_prop_column_name(zpool_prop_t);
   _LIBZFS_H boolean_t zpool_prop_align_right(zpool_prop_t);
   
   /*
    * Functions shared by zfs and zpool property management.
    */
   _LIBZFS_H int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
       boolean_t ordered, zfs_type_t type);
   _LIBZFS_H int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
       zfs_type_t);
   _LIBZFS_H void zprop_free_list(zprop_list_t *);
   
   #define ZFS_GET_NCOLS   5
   
   typedef enum {
           GET_COL_NONE,
           GET_COL_NAME,
           GET_COL_PROPERTY,
           GET_COL_VALUE,
           GET_COL_RECVD,
           GET_COL_SOURCE
   } zfs_get_column_t;
   
   /*
    * Functions for printing zfs or zpool properties
    */
   typedef struct vdev_cbdata {
           int cb_name_flags;
           char **cb_names;
           unsigned int cb_names_count;
   } vdev_cbdata_t;
   
   typedef struct zprop_get_cbdata {
           int cb_sources;
           zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
           int cb_colwidths[ZFS_GET_NCOLS + 1];
           boolean_t cb_scripted;
           boolean_t cb_literal;
           boolean_t cb_first;
           zprop_list_t *cb_proplist;
           zfs_type_t cb_type;
           vdev_cbdata_t cb_vdevs;
   } zprop_get_cbdata_t;
   
   _LIBZFS_H void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
       const char *, const char *, zprop_source_t, const char *,
       const char *);
   
   /*
    * Iterator functions.
    */
   #define ZFS_ITER_RECURSE                (1 << 0)
   #define ZFS_ITER_ARGS_CAN_BE_PATHS      (1 << 1)
   #define ZFS_ITER_PROP_LISTSNAPS         (1 << 2)
   #define ZFS_ITER_DEPTH_LIMIT            (1 << 3)
   #define ZFS_ITER_RECVD_PROPS            (1 << 4)
   #define ZFS_ITER_LITERAL_PROPS          (1 << 5)
   #define ZFS_ITER_SIMPLE                 (1 << 6)
   
   typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
   _LIBZFS_H int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
   _LIBZFS_H int zfs_iter_children(zfs_handle_t *, int, zfs_iter_f, void *);
   _LIBZFS_H int zfs_iter_dependents(zfs_handle_t *, int, boolean_t, zfs_iter_f,
       void *);
   _LIBZFS_H int zfs_iter_filesystems(zfs_handle_t *, int, zfs_iter_f, void *);
   _LIBZFS_H int zfs_iter_snapshots(zfs_handle_t *, int, zfs_iter_f, void *,
       uint64_t, uint64_t);
   _LIBZFS_H int zfs_iter_snapshots_sorted(zfs_handle_t *, int, zfs_iter_f, void *,
       uint64_t, uint64_t);
   _LIBZFS_H int zfs_iter_snapspec(zfs_handle_t *, int, const char *, zfs_iter_f,
       void *);
   _LIBZFS_H int zfs_iter_bookmarks(zfs_handle_t *, int, zfs_iter_f, void *);
   _LIBZFS_H int zfs_iter_mounted(zfs_handle_t *, zfs_iter_f, void *);
   
   typedef struct get_all_cb {
           zfs_handle_t    **cb_handles;
           size_t          cb_alloc;
           size_t          cb_used;
   } get_all_cb_t;
   
   _LIBZFS_H void zfs_foreach_mountpoint(libzfs_handle_t *, zfs_handle_t **,
       size_t, zfs_iter_f, void *, boolean_t);
   _LIBZFS_H void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
   
   /*
    * Functions to create and destroy datasets.
    */
   _LIBZFS_H int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
       nvlist_t *);
   _LIBZFS_H int zfs_create_ancestors(libzfs_handle_t *, const char *);
   _LIBZFS_H int zfs_destroy(zfs_handle_t *, boolean_t);
   _LIBZFS_H int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
   _LIBZFS_H int zfs_destroy_snaps_nvl(libzfs_handle_t *, nvlist_t *, boolean_t);
   _LIBZFS_H int zfs_destroy_snaps_nvl_os(libzfs_handle_t *, nvlist_t *);
   _LIBZFS_H int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
   _LIBZFS_H int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t,
       nvlist_t *);
   _LIBZFS_H int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps,
       nvlist_t *props);
   _LIBZFS_H int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
   
   typedef struct renameflags {
           /* recursive rename */
           unsigned int recursive : 1;
   
           /* don't unmount file systems */
           unsigned int nounmount : 1;
   
           /* force unmount file systems */
           unsigned int forceunmount : 1;
   } renameflags_t;
   
   _LIBZFS_H int zfs_rename(zfs_handle_t *, const char *, renameflags_t);
   
   typedef struct sendflags {
           /* Amount of extra information to print. */
           int verbosity;
   
           /* recursive send  (ie, -R) */
           boolean_t replicate;
   
           /* for recursive send, skip sending missing snapshots */
           boolean_t skipmissing;
   
           /* for incrementals, do all intermediate snapshots */
           boolean_t doall;
   
           /* if dataset is a clone, do incremental from its origin */
           boolean_t fromorigin;
   
           /* field no longer used, maintained for backwards compatibility */
           boolean_t pad;
   
           /* send properties (ie, -p) */
           boolean_t props;
   
           /* do not send (no-op, ie. -n) */
           boolean_t dryrun;
   
           /* parsable verbose output (ie. -P) */
           boolean_t parsable;
   
           /* show progress (ie. -v) */
           boolean_t progress;
   
           /* show progress as process title (ie. -V) */
           boolean_t progressastitle;
   
           /* large blocks (>128K) are permitted */
           boolean_t largeblock;
   
           /* WRITE_EMBEDDED records of type DATA are permitted */
           boolean_t embed_data;
   
           /* compressed WRITE records are permitted */
           boolean_t compress;
   
           /* raw encrypted records are permitted */
           boolean_t raw;
   
           /* only send received properties (ie. -b) */
           boolean_t backup;
   
           /* include snapshot holds in send stream */
           boolean_t holds;
   
           /* stream represents a partially received dataset */
           boolean_t saved;
   } sendflags_t;
   
   typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
   
   _LIBZFS_H int zfs_send(zfs_handle_t *, const char *, const char *,
       sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **);
   _LIBZFS_H int zfs_send_one(zfs_handle_t *, const char *, int, sendflags_t *,
       const char *);
   _LIBZFS_H int zfs_send_progress(zfs_handle_t *, int, uint64_t *, uint64_t *);
   _LIBZFS_H int zfs_send_resume(libzfs_handle_t *, sendflags_t *, int outfd,
       const char *);
   _LIBZFS_H int zfs_send_saved(zfs_handle_t *, sendflags_t *, int, const char *);
   _LIBZFS_H nvlist_t *zfs_send_resume_token_to_nvlist(libzfs_handle_t *hdl,
       const char *token);
   
   _LIBZFS_H int zfs_promote(zfs_handle_t *);
   _LIBZFS_H int zfs_hold(zfs_handle_t *, const char *, const char *,
       boolean_t, int);
   _LIBZFS_H int zfs_hold_nvl(zfs_handle_t *, int, nvlist_t *);
   _LIBZFS_H int zfs_release(zfs_handle_t *, const char *, const char *,
       boolean_t);
   _LIBZFS_H int zfs_get_holds(zfs_handle_t *, nvlist_t **);
   _LIBZFS_H uint64_t zvol_volsize_to_reservation(zpool_handle_t *, uint64_t,
       nvlist_t *);
   
   typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
       uid_t rid, uint64_t space);
   
   _LIBZFS_H int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t,
       zfs_userspace_cb_t, void *);
   
   _LIBZFS_H int zfs_get_fsacl(zfs_handle_t *, nvlist_t **);
   _LIBZFS_H int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *);
   
   typedef struct recvflags {
           /* print informational messages (ie, -v was specified) */
           boolean_t verbose;
   
           /* the destination is a prefix, not the exact fs (ie, -d) */
           boolean_t isprefix;
   
           /*
            * Only the tail of the sent snapshot path is appended to the
            * destination to determine the received snapshot name (ie, -e).
            */
           boolean_t istail;
   
           /* do not actually do the recv, just check if it would work (ie, -n) */
           boolean_t dryrun;
   
           /* rollback/destroy filesystems as necessary (eg, -F) */
           boolean_t force;
   
           /* set "canmount=off" on all modified filesystems */
           boolean_t canmountoff;
   
           /*
            * Mark the file systems as "resumable" and do not destroy them if the
            * receive is interrupted
            */
           boolean_t resumable;
   
           /* byteswap flag is used internally; callers need not specify */
           boolean_t byteswap;
   
           /* do not mount file systems as they are extracted (private) */
           boolean_t nomount;
   
           /* Was holds flag set in the compound header? */
           boolean_t holds;
   
           /* skip receive of snapshot holds */
           boolean_t skipholds;
   
           /* mount the filesystem unless nomount is specified */
           boolean_t domount;
   
           /* force unmount while recv snapshot (private) */
           boolean_t forceunmount;
   
           /* use this recv to check (and heal if needed) an existing snapshot */
           boolean_t heal;
   } recvflags_t;
   
   _LIBZFS_H int zfs_receive(libzfs_handle_t *, const char *, nvlist_t *,
       recvflags_t *, int, avl_tree_t *);
   
   typedef enum diff_flags {
           ZFS_DIFF_PARSEABLE = 1 << 0,
           ZFS_DIFF_TIMESTAMP = 1 << 1,
           ZFS_DIFF_CLASSIFY = 1 << 2,
           ZFS_DIFF_NO_MANGLE = 1 << 3
   } diff_flags_t;
   
   _LIBZFS_H int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
       int);
   
   /*
    * Miscellaneous functions.
    */
   _LIBZFS_H const char *zfs_type_to_name(zfs_type_t);
   _LIBZFS_H void zfs_refresh_properties(zfs_handle_t *);
   _LIBZFS_H int zfs_name_valid(const char *, zfs_type_t);
   _LIBZFS_H zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, const char *,
       zfs_type_t);
   _LIBZFS_H int zfs_parent_name(zfs_handle_t *, char *, size_t);
   _LIBZFS_H boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
       zfs_type_t);
   _LIBZFS_H int zfs_spa_version(zfs_handle_t *, int *);
   _LIBZFS_H boolean_t zfs_bookmark_exists(const char *path);
   
   /*
    * Mount support functions.
    */
   _LIBZFS_H boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
   _LIBZFS_H boolean_t zfs_is_mounted(zfs_handle_t *, char **);
   _LIBZFS_H int zfs_mount(zfs_handle_t *, const char *, int);
   _LIBZFS_H int zfs_mount_at(zfs_handle_t *, const char *, int, const char *);
   _LIBZFS_H int zfs_unmount(zfs_handle_t *, const char *, int);
   _LIBZFS_H int zfs_unmountall(zfs_handle_t *, int);
   _LIBZFS_H int zfs_mount_delegation_check(void);
   
   #if defined(__linux__) || defined(__APPLE__)
   _LIBZFS_H int zfs_parse_mount_options(const char *mntopts,
       unsigned long *mntflags, unsigned long *zfsflags, int sloppy, char *badopt,
       char *mtabopt);
   _LIBZFS_H void zfs_adjust_mount_options(zfs_handle_t *zhp, const char *mntpoint,
       char *mntopts, char *mtabopt);
   #endif
   
   /*
    * Share support functions.
    *
    * enum sa_protocol * lists are terminated with SA_NO_PROTOCOL,
    * NULL means "all/any known to this libzfs".
    */
   #define SA_NO_PROTOCOL -1
   
   _LIBZFS_H boolean_t zfs_is_shared(zfs_handle_t *zhp, char **where,
       const enum sa_protocol *proto);
   _LIBZFS_H int zfs_share(zfs_handle_t *zhp, const enum sa_protocol *proto);
   _LIBZFS_H int zfs_unshare(zfs_handle_t *zhp, const char *mountpoint,
       const enum sa_protocol *proto);
   _LIBZFS_H int zfs_unshareall(zfs_handle_t *zhp,
       const enum sa_protocol *proto);
   _LIBZFS_H void zfs_commit_shares(const enum sa_protocol *proto);
   _LIBZFS_H void zfs_truncate_shares(const enum sa_protocol *proto);
   
   _LIBZFS_H int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
   
   /*
    * Utility functions to run an external process.
    */
   #define STDOUT_VERBOSE  0x01
   #define STDERR_VERBOSE  0x02
   #define NO_DEFAULT_PATH 0x04 /* Don't use $PATH to lookup the command */
   
   _LIBZFS_H int libzfs_run_process(const char *, char **, int);
   _LIBZFS_H int libzfs_run_process_get_stdout(const char *, char *[], char *[],
       char **[], int *);
   _LIBZFS_H int libzfs_run_process_get_stdout_nopath(const char *, char *[],
       char *[], char **[], int *);
   
   _LIBZFS_H void libzfs_free_str_array(char **, int);
   
   _LIBZFS_H boolean_t libzfs_envvar_is_set(const char *);
   
   /*
    * Utility functions for zfs version
    */
   _LIBZFS_H const char *zfs_version_userland(void);
   _LIBZFS_H char *zfs_version_kernel(void);
   _LIBZFS_H int zfs_version_print(void);
   
   /*
    * Given a device or file, determine if it is part of a pool.
    */
   _LIBZFS_H int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
       boolean_t *);
   
   /*
    * Label manipulation.
    */
   _LIBZFS_H int zpool_clear_label(int);
   _LIBZFS_H int zpool_set_bootenv(zpool_handle_t *, const nvlist_t *);
   _LIBZFS_H int zpool_get_bootenv(zpool_handle_t *, nvlist_t **);
   
   /*
    * Management interfaces for SMB ACL files
    */
   
   _LIBZFS_H int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
   _LIBZFS_H int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
   _LIBZFS_H int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
   _LIBZFS_H int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *,
       char *);
   
   /*
    * Enable and disable datasets within a pool by mounting/unmounting and
    * sharing/unsharing them.
    */
   _LIBZFS_H int zpool_enable_datasets(zpool_handle_t *, const char *, int);
   _LIBZFS_H int zpool_disable_datasets(zpool_handle_t *, boolean_t);
   _LIBZFS_H void zpool_disable_datasets_os(zpool_handle_t *, boolean_t);
   _LIBZFS_H void zpool_disable_volume_os(const char *);
   
   /*
    * Parse a features file for -o compatibility
    */
   typedef enum {
           ZPOOL_COMPATIBILITY_OK,
           ZPOOL_COMPATIBILITY_WARNTOKEN,
           ZPOOL_COMPATIBILITY_BADTOKEN,
           ZPOOL_COMPATIBILITY_BADFILE,
           ZPOOL_COMPATIBILITY_NOFILES
   } zpool_compat_status_t;
   
   _LIBZFS_H zpool_compat_status_t zpool_load_compat(const char *,
       boolean_t *, char *, size_t);
   
   #ifdef __FreeBSD__
   
   /*
    * Attach/detach the given filesystem to/from the given jail.
    */
   _LIBZFS_H int zfs_jail(zfs_handle_t *zhp, int jailid, int attach);
   
   /*
    * Set loader options for next boot.
    */
   _LIBZFS_H int zpool_nextboot(libzfs_handle_t *, uint64_t, uint64_t,
       const char *);
   
   #endif /* __FreeBSD__ */
  
  #ifdef __linux__
  
  /*
   * Add or delete the given filesystem to/from the given user namespace.
   */
  _LIBZFS_H int zfs_userns(zfs_handle_t *zhp, const char *nspath, int attach);
  
  #endif
  
  #ifdef  __cplusplus
  }
  #endif
  
  #endif  /* _LIBZFS_H */

Cache object: 998e6d348381e505f945eadab5ab197c