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/* SPDX-License-Identifier: LGPL-2.1+ */
/***
Copyright © 2012 Kay Sievers <kay@vrfy.org>
***/
#include <fcntl.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#if HAVE_LINUX_BTRFS_H
#include <linux/btrfs.h>
#endif
#include "fd-util.h"
#include "missing.h"
#include "string-util.h"
#include "udev.h"
static int builtin_btrfs(struct udev_device *dev, int argc, char *argv[], bool test) {
struct btrfs_ioctl_vol_args args = {};
_cleanup_close_ int fd = -1;
int err;
if (argc != 3 || !streq(argv[1], "ready"))
return EXIT_FAILURE;
fd = open("/dev/btrfs-control", O_RDWR|O_CLOEXEC);
if (fd < 0)
return EXIT_FAILURE;
strscpy(args.name, sizeof(args.name), argv[2]);
err = ioctl(fd, BTRFS_IOC_DEVICES_READY, &args);
if (err < 0)
return EXIT_FAILURE;
udev_builtin_add_property(dev, test, "ID_BTRFS_READY", one_zero(err == 0));
return EXIT_SUCCESS;
}
const struct udev_builtin udev_builtin_btrfs = {
.name = "btrfs",
.cmd = builtin_btrfs,
.help = "btrfs volume management",
};
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