LCOV - code coverage report
Current view: top level - udev - udev-builtin-btrfs.c (source / functions) Hit Total Coverage
Test: systemd_full.info Lines: 0 14 0.0 %
Date: 2019-08-23 13:36:53 Functions: 0 1 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 26 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: LGPL-2.1+ */
       2                 :            : 
       3                 :            : #include <fcntl.h>
       4                 :            : #include <linux/btrfs.h>
       5                 :            : #include <stdlib.h>
       6                 :            : #include <sys/ioctl.h>
       7                 :            : 
       8                 :            : #include "device-util.h"
       9                 :            : #include "fd-util.h"
      10                 :            : #include "string-util.h"
      11                 :            : #include "strxcpyx.h"
      12                 :            : #include "udev-builtin.h"
      13                 :            : #include "util.h"
      14                 :            : 
      15                 :          0 : static int builtin_btrfs(sd_device *dev, int argc, char *argv[], bool test) {
      16                 :          0 :         struct btrfs_ioctl_vol_args args = {};
      17                 :          0 :         _cleanup_close_ int fd = -1;
      18                 :            :         int r;
      19                 :            : 
      20   [ #  #  #  # ]:          0 :         if (argc != 3 || !streq(argv[1], "ready"))
      21   [ #  #  #  #  :          0 :                 return log_device_error_errno(dev, SYNTHETIC_ERRNO(EINVAL), "Invalid arguments");
                   #  # ]
      22                 :            : 
      23                 :          0 :         fd = open("/dev/btrfs-control", O_RDWR|O_CLOEXEC);
      24         [ #  # ]:          0 :         if (fd < 0)
      25   [ #  #  #  #  :          0 :                 return log_device_debug_errno(dev, errno, "Failed to open /dev/btrfs-control: %m");
                   #  # ]
      26                 :            : 
      27                 :          0 :         strscpy(args.name, sizeof(args.name), argv[2]);
      28                 :          0 :         r = ioctl(fd, BTRFS_IOC_DEVICES_READY, &args);
      29         [ #  # ]:          0 :         if (r < 0)
      30   [ #  #  #  #  :          0 :                 return log_device_debug_errno(dev, errno, "Failed to call BTRFS_IOC_DEVICES_READY: %m");
                   #  # ]
      31                 :            : 
      32                 :          0 :         udev_builtin_add_property(dev, test, "ID_BTRFS_READY", one_zero(r == 0));
      33                 :          0 :         return 0;
      34                 :            : }
      35                 :            : 
      36                 :            : const UdevBuiltin udev_builtin_btrfs = {
      37                 :            :         .name = "btrfs",
      38                 :            :         .cmd = builtin_btrfs,
      39                 :            :         .help = "btrfs volume management",
      40                 :            : };

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