On Sat, Jul 09, 2016 at 08:53:50AM +0300, Andrei Borzenkov wrote: > 07.07.2016 12:43, Wang Shilong пишет: > > 'btrfs file du' is a very useful tool to watch my system > > file usage information with snapshot aware. > > > > when trying to run following commands: > > [root@localhost btrfs-progs]# btrfs file du / > > Total Exclusive Set shared Filename > > ERROR: Failed to lookup root id - Inappropriate ioctl for device > > ERROR: cannot check space of '/': Unknown error -1 > > > > and My Filesystem looks like this: > > [root@localhost btrfs-progs]# df -Th > > Filesystem Type Size Used Avail Use% Mounted on > > devtmpfs devtmpfs 16G 0 16G 0% /dev > > tmpfs tmpfs 16G 368K 16G 1% /dev/shm > > tmpfs tmpfs 16G 1.4M 16G 1% /run > > tmpfs tmpfs 16G 0 16G 0% /sys/fs/cgroup > > /dev/sda3 btrfs 60G 19G 40G 33% / > > tmpfs tmpfs 16G 332K 16G 1% /tmp > > /dev/sdc btrfs 2.8T 166G 1.7T 9% /data > > /dev/sda2 xfs 2.0G 452M 1.6G 23% /boot > > /dev/sda1 vfat 1.9G 11M 1.9G 1% /boot/efi > > tmpfs tmpfs 3.2G 24K 3.2G 1% /run/user/1000 > > > > So I installed Btrfs as my root partition, but boot partition > > can be other fs. > > > > We can Let btrfs tool aware of this is not a btrfs file or > > directory and skip those files, so that someone like me > > could just run 'btrfs file du /' to scan all btrfs filesystems. > > > > After patch, it will look like: > > Total Exclusive Set shared Filename > > 0.00B 0.00B - //root/.bash_logout > > 0.00B 0.00B - //root/.bash_profile > > 0.00B 0.00B - //root/.bashrc > > 0.00B 0.00B - //root/.cshrc > > 0.00B 0.00B - //root/.tcshrc > > > > Can you avoid double slashes? I don't see where the extra slash gets added, as it's only cosmetic I'm going to apply the patch. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
