zfs_ids_to_path.c

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    1 /*
    2  * CDDL HEADER START
    3  *
    4  * The contents of this file are subject to the terms of the
    5  * Common Development and Distribution License (the "License").
    6  * You may not use this file except in compliance with the License.
    7  *
    8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
    9  * or https://opensource.org/licenses/CDDL-1.0.
   10  * See the License for the specific language governing permissions
   11  * and limitations under the License.
   12  *
   13  * When distributing Covered Code, include this CDDL HEADER in each
   14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
   15  * If applicable, add the following below this CDDL HEADER, with the
   16  * fields enclosed by brackets "[]" replaced with your own identifying
   17  * information: Portions Copyright [yyyy] [name of copyright owner]
   18  *
   19  * CDDL HEADER END
   20  */
   21 /*
   22  * Copyright (c) 2019 by Delphix. All rights reserved.
   23  */
   24 #include <libintl.h>
   25 #include <unistd.h>
   26 #include <sys/types.h>
   27 #include <stdint.h>
   28 #include <libzfs.h>
   29 #include <stdio.h>
   30 #include <stdlib.h>
   31 #include <errno.h>
   32 
   33 libzfs_handle_t *g_zfs;
   34 
   35 static void
   36 usage(int err)
   37 {
   38         fprintf(stderr, "Usage: zfs_ids_to_path [-v] <pool> <objset id> "
   39             "<object id>\n");
   40         exit(err);
   41 }
   42 
   43 int
   44 main(int argc, char **argv)
   45 {
   46         boolean_t verbose = B_FALSE;
   47         int c;
   48         while ((c = getopt(argc, argv, "v")) != -1) {
   49                 switch (c) {
   50                 case 'v':
   51                         verbose = B_TRUE;
   52                         break;
   53                 }
   54         }
   55         argc -= optind;
   56         argv += optind;
   57 
   58         if (argc != 3) {
   59                 (void) fprintf(stderr, "Incorrect number of arguments: %d\n",
   60                     argc);
   61                 usage(1);
   62         }
   63 
   64         uint64_t objset, object;
   65         if (sscanf(argv[1], "%llu", (u_longlong_t *)&objset) != 1) {
   66                 (void) fprintf(stderr, "Invalid objset id: %s\n", argv[1]);
   67                 usage(2);
   68         }
   69         if (sscanf(argv[2], "%llu", (u_longlong_t *)&object) != 1) {
   70                 (void) fprintf(stderr, "Invalid object id: %s\n", argv[2]);
   71                 usage(3);
   72         }
   73         if ((g_zfs = libzfs_init()) == NULL) {
   74                 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
   75                 return (4);
   76         }
   77         zpool_handle_t *pool = zpool_open(g_zfs, argv[0]);
   78         if (pool == NULL) {
   79                 fprintf(stderr, "Could not open pool %s\n", argv[0]);
   80                 libzfs_fini(g_zfs);
   81                 return (5);
   82         }
   83 
   84         char pathname[PATH_MAX * 2];
   85         if (verbose) {
   86                 zpool_obj_to_path_ds(pool, objset, object, pathname,
   87                     sizeof (pathname));
   88         } else {
   89                 zpool_obj_to_path(pool, objset, object, pathname,
   90                     sizeof (pathname));
   91         }
   92         printf("%s\n", pathname);
   93         zpool_close(pool);
   94         libzfs_fini(g_zfs);
   95         return (0);
   96 }

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/cmd/zfs_ids_to_path.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/cmd/zfs_ids_to_path.c