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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-06-13 11:45:15 -0400
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-06-13 11:45:15 -0400
commit28282a3f352f1be7a4ff956fbeb0bca37bb8bc64 (patch)
tree2a4bcd23e614dfc487d48a2b6d8395b9d2437016 /src/grp-udev/libudev-core/udev-builtin-btrfs.c
parentfc18b7fdd1286d96a4cc36b74e4da81c6ad6a326 (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.c58
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",
+};