diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-13 11:45:15 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-13 11:45:15 -0400 |
commit | 28282a3f352f1be7a4ff956fbeb0bca37bb8bc64 (patch) | |
tree | 2a4bcd23e614dfc487d48a2b6d8395b9d2437016 /src/grp-udev/libudev-core/udev-builtin-btrfs.c | |
parent | fc18b7fdd1286d96a4cc36b74e4da81c6ad6a326 (diff) |
./move.sh
Diffstat (limited to 'src/grp-udev/libudev-core/udev-builtin-btrfs.c')
-rw-r--r-- | src/grp-udev/libudev-core/udev-builtin-btrfs.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/grp-udev/libudev-core/udev-builtin-btrfs.c b/src/grp-udev/libudev-core/udev-builtin-btrfs.c new file mode 100644 index 0000000000..cfaa463804 --- /dev/null +++ b/src/grp-udev/libudev-core/udev-builtin-btrfs.c @@ -0,0 +1,58 @@ +/*** + This file is part of systemd. + + Copyright 2012 Kay Sievers <kay@vrfy.org> + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <fcntl.h> +#include <stdlib.h> +#include <sys/ioctl.h> + +#ifdef 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", +}; |