diff options
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 88a2d2bb2d75..26da344231ac 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1462,6 +1462,13 @@ static long btrfs_control_ioctl(struct file *file, unsigned int cmd, ret = btrfs_scan_one_device(vol->name, FMODE_READ, &btrfs_fs_type, &fs_devices); break; + case BTRFS_IOC_DEVICES_READY: + ret = btrfs_scan_one_device(vol->name, FMODE_READ, + &btrfs_fs_type, &fs_devices); + if (ret) + break; + ret = !(fs_devices->num_devices == fs_devices->total_devices); + break; } kfree(vol); |