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