From 9fdd60e58532607eeda4e396bebea2c22143cac8 Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Wed, 10 May 2017 14:47:43 -0400 Subject: ./tools/notsd-move --- src/grp-udev/libudev-core/udev-builtin-btrfs.c | 58 ++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 src/grp-udev/libudev-core/udev-builtin-btrfs.c (limited to 'src/grp-udev/libudev-core/udev-builtin-btrfs.c') 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..dbaf65d8f9 --- /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 + + 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 . +***/ + +#include +#include +#include + +#ifdef HAVE_LINUX_BTRFS_H +#include +#endif + +#include "systemd-basic/fd-util.h" +#include "systemd-basic/missing.h" +#include "systemd-basic/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", +}; -- cgit v1.2.3-54-g00ecf