mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
1d3ba0bf01
The commit replaces all findings of the link: http://www.opensolaris.org/os/licensing with this one: https://opensource.org/licenses/CDDL-1.0 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13619
87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
|
|
* 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) 2011, Fajar A. Nugraha. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/fs/zfs.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/stat.h>
|
|
|
|
#if defined(ZFS_ASAN_ENABLED)
|
|
/*
|
|
* zvol_id is invoked by udev with the help of ptrace()
|
|
* making sanitized binary with leak detection croak
|
|
* because of tracing mechanisms collision
|
|
*/
|
|
extern const char *__asan_default_options(void);
|
|
|
|
const char *__asan_default_options(void) {
|
|
return ("abort_on_error=true:halt_on_error=true:"
|
|
"allocator_may_return_null=true:disable_coredump=false:"
|
|
"detect_stack_use_after_return=true:detect_leaks=false");
|
|
}
|
|
#endif
|
|
|
|
int
|
|
main(int argc, const char *const *argv)
|
|
{
|
|
if (argc != 2) {
|
|
fprintf(stderr, "usage: %s /dev/zdX\n", argv[0]);
|
|
return (1);
|
|
}
|
|
const char *dev_name = argv[1];
|
|
|
|
int fd;
|
|
struct stat sb;
|
|
if ((fd = open(dev_name, O_RDONLY|O_CLOEXEC)) == -1 ||
|
|
fstat(fd, &sb) != 0) {
|
|
fprintf(stderr, "%s: %s\n", dev_name, strerror(errno));
|
|
return (1);
|
|
}
|
|
|
|
char zvol_name[MAXNAMELEN + strlen("-part") + 10];
|
|
if (ioctl(fd, BLKZNAME, zvol_name) == -1) {
|
|
fprintf(stderr, "%s: BLKZNAME: %s\n",
|
|
dev_name, strerror(errno));
|
|
return (1);
|
|
}
|
|
|
|
unsigned int dev_part = minor(sb.st_rdev) % ZVOL_MINORS;
|
|
if (dev_part != 0)
|
|
sprintf(zvol_name + strlen(zvol_name), "-part%u", dev_part);
|
|
|
|
for (size_t i = 0; i < strlen(zvol_name); ++i)
|
|
if (isblank(zvol_name[i]))
|
|
zvol_name[i] = '+';
|
|
|
|
puts(zvol_name);
|
|
|
|
return (0);
|
|
}
|