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6ecdd35bdb
Running `zfs list -o avail rpool` resulted in a core dump. This commit will fix this. Run the needed overhead only, when `use_color()` is true. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: George Wilson <gwilson@delphix.com> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #14712
216 lines
6.8 KiB
C
216 lines
6.8 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2018 by Delphix. All rights reserved.
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*/
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#ifndef _LIBZUTIL_H
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#define _LIBZUTIL_H extern __attribute__((visibility("default")))
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#include <sys/nvpair.h>
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#include <sys/fs/zfs.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Default wait time for a device name to be created.
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*/
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#define DISK_LABEL_WAIT (30 * 1000) /* 30 seconds */
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/*
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* Pool Config Operations
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*
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* These are specific to the library libzfs or libzpool instance.
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*/
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typedef nvlist_t *refresh_config_func_t(void *, nvlist_t *);
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typedef int pool_active_func_t(void *, const char *, uint64_t, boolean_t *);
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typedef const struct pool_config_ops {
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refresh_config_func_t *pco_refresh_config;
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pool_active_func_t *pco_pool_active;
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} pool_config_ops_t;
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/*
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* An instance of pool_config_ops_t is expected in the caller's binary.
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*/
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_LIBZUTIL_H pool_config_ops_t libzfs_config_ops;
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_LIBZUTIL_H pool_config_ops_t libzpool_config_ops;
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typedef enum lpc_error {
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LPC_SUCCESS = 0, /* no error -- success */
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LPC_BADCACHE = 2000, /* out of memory */
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LPC_BADPATH, /* must be an absolute path */
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LPC_NOMEM, /* out of memory */
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LPC_EACCESS, /* some devices require root privileges */
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LPC_UNKNOWN
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} lpc_error_t;
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typedef struct importargs {
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char **path; /* a list of paths to search */
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int paths; /* number of paths to search */
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const char *poolname; /* name of a pool to find */
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uint64_t guid; /* guid of a pool to find */
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const char *cachefile; /* cachefile to use for import */
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boolean_t can_be_active; /* can the pool be active? */
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boolean_t scan; /* prefer scanning to libblkid cache */
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nvlist_t *policy; /* load policy (max txg, rewind, etc.) */
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} importargs_t;
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typedef struct libpc_handle {
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int lpc_error;
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boolean_t lpc_printerr;
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boolean_t lpc_open_access_error;
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boolean_t lpc_desc_active;
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char lpc_desc[1024];
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pool_config_ops_t *lpc_ops;
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void *lpc_lib_handle;
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} libpc_handle_t;
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_LIBZUTIL_H const char *libpc_error_description(libpc_handle_t *);
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_LIBZUTIL_H nvlist_t *zpool_search_import(libpc_handle_t *, importargs_t *);
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_LIBZUTIL_H int zpool_find_config(libpc_handle_t *, const char *, nvlist_t **,
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importargs_t *);
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_LIBZUTIL_H const char * const * zpool_default_search_paths(size_t *count);
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_LIBZUTIL_H int zpool_read_label(int, nvlist_t **, int *);
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_LIBZUTIL_H int zpool_label_disk_wait(const char *, int);
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struct udev_device;
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_LIBZUTIL_H int zfs_device_get_devid(struct udev_device *, char *, size_t);
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_LIBZUTIL_H int zfs_device_get_physical(struct udev_device *, char *, size_t);
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_LIBZUTIL_H void update_vdev_config_dev_strs(nvlist_t *);
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/*
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* Default device paths
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*/
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#define DISK_ROOT "/dev"
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#define UDISK_ROOT "/dev/disk"
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#define ZVOL_ROOT "/dev/zvol"
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_LIBZUTIL_H int zfs_append_partition(char *path, size_t max_len);
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_LIBZUTIL_H int zfs_resolve_shortname(const char *name, char *path,
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size_t pathlen);
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_LIBZUTIL_H char *zfs_strip_partition(const char *);
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_LIBZUTIL_H const char *zfs_strip_path(const char *);
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_LIBZUTIL_H int zfs_strcmp_pathname(const char *, const char *, int);
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_LIBZUTIL_H boolean_t zfs_dev_is_dm(const char *);
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_LIBZUTIL_H boolean_t zfs_dev_is_whole_disk(const char *);
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_LIBZUTIL_H int zfs_dev_flush(int);
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_LIBZUTIL_H char *zfs_get_underlying_path(const char *);
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_LIBZUTIL_H char *zfs_get_enclosure_sysfs_path(const char *);
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_LIBZUTIL_H boolean_t is_mpath_whole_disk(const char *);
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_LIBZUTIL_H boolean_t zfs_isnumber(const char *);
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/*
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* Formats for iostat numbers. Examples: "12K", "30ms", "4B", "2321234", "-".
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*
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* ZFS_NICENUM_1024: Print kilo, mega, tera, peta, exa..
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* ZFS_NICENUM_BYTES: Print single bytes ("13B"), kilo, mega, tera...
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* ZFS_NICENUM_TIME: Print nanosecs, microsecs, millisecs, seconds...
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* ZFS_NICENUM_RAW: Print the raw number without any formatting
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* ZFS_NICENUM_RAWTIME: Same as RAW, but print dashes ('-') for zero.
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*/
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enum zfs_nicenum_format {
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ZFS_NICENUM_1024 = 0,
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ZFS_NICENUM_BYTES = 1,
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ZFS_NICENUM_TIME = 2,
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ZFS_NICENUM_RAW = 3,
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ZFS_NICENUM_RAWTIME = 4
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};
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/*
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* Convert a number to a human-readable form.
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*/
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_LIBZUTIL_H void zfs_nicebytes(uint64_t, char *, size_t);
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_LIBZUTIL_H void zfs_nicenum(uint64_t, char *, size_t);
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_LIBZUTIL_H void zfs_nicenum_format(uint64_t, char *, size_t,
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enum zfs_nicenum_format);
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_LIBZUTIL_H void zfs_nicetime(uint64_t, char *, size_t);
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_LIBZUTIL_H void zfs_niceraw(uint64_t, char *, size_t);
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#define nicenum(num, buf, size) zfs_nicenum(num, buf, size)
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_LIBZUTIL_H void zpool_dump_ddt(const ddt_stat_t *, const ddt_histogram_t *);
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_LIBZUTIL_H int zpool_history_unpack(char *, uint64_t, uint64_t *, nvlist_t ***,
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uint_t *);
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struct zfs_cmd;
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/*
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* List of colors to use
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*/
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#define ANSI_BLACK "\033[0;30m"
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#define ANSI_RED "\033[0;31m"
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#define ANSI_GREEN "\033[0;32m"
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#define ANSI_YELLOW "\033[0;33m"
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#define ANSI_BLUE "\033[0;34m"
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#define ANSI_BOLD_BLUE "\033[1;34m" /* light blue */
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#define ANSI_MAGENTA "\033[0;35m"
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#define ANSI_CYAN "\033[0;36m"
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#define ANSI_GRAY "\033[0;37m"
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#define ANSI_RESET "\033[0m"
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#define ANSI_BOLD "\033[1m"
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_LIBZUTIL_H int use_color(void);
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_LIBZUTIL_H void color_start(const char *color);
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_LIBZUTIL_H void color_end(void);
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_LIBZUTIL_H int printf_color(const char *color, const char *format, ...);
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_LIBZUTIL_H const char *zfs_basename(const char *path);
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_LIBZUTIL_H ssize_t zfs_dirnamelen(const char *path);
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#ifdef __linux__
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extern char **environ;
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_LIBZUTIL_H void zfs_setproctitle_init(int argc, char *argv[], char *envp[]);
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_LIBZUTIL_H void zfs_setproctitle(const char *fmt, ...);
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#else
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#define zfs_setproctitle(fmt, ...) setproctitle(fmt, ##__VA_ARGS__)
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#define zfs_setproctitle_init(x, y, z) ((void)0)
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#endif
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/*
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* These functions are used by the ZFS libraries and cmd/zpool code, but are
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* not exported in the ABI.
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*/
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typedef int (*pool_vdev_iter_f)(void *, nvlist_t *, void *);
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int for_each_vdev_cb(void *zhp, nvlist_t *nv, pool_vdev_iter_f func,
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void *data);
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int for_each_vdev_in_nvlist(nvlist_t *nvroot, pool_vdev_iter_f func,
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void *data);
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void update_vdevs_config_dev_sysfs_path(nvlist_t *config);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIBZUTIL_H */
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