On 13/07/2020 16:27, David Sterba wrote: > On Mon, Jul 13, 2020 at 09:28:58PM +0900, Johannes Thumshirn wrote: >> --- a/fs/btrfs/ioctl.c >> +++ b/fs/btrfs/ioctl.c >> @@ -3217,11 +3217,15 @@ static long btrfs_ioctl_fs_info(struct btrfs_fs_info *fs_info, >> struct btrfs_ioctl_fs_info_args *fi_args; >> struct btrfs_device *device; >> struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; >> + u32 flags_in; > > u64 here too, I'll fix it. > Uh, surprised why GCC didn't warn me about the truncation