Hello, It seems this might be a bug. 00:24:51 rrs@champaran:/mnt/btrfs $ cp /home/rrs/PDds73yDCNo.flv . cp: writing `./PDds73yDCNo.flv'': No space left on device So, I have an error of no free space. 00:24:56 rrs@champaran:/mnt/btrfs $ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/LocalDisk-ROOT 110G 90G 19G 84% / tmpfs 1.5G 12K 1.5G 1% /lib/init/rw udev 1.5G 364K 1.5G 1% /dev tmpfs 1.5G 248K 1.5G 1% /dev/shm /dev/sda2 942M 121M 812M 13% /boot /dev/mapper/VgTest-lvol0 32G 21G 12G 63% /mnt/btrfs But that is not what df wants to report. 00:25:01 rrs@champaran:/mnt/btrfs $ sudo btrfs-show failed to read /dev/sr0 Label: BTRFS uuid: cd7fc372-81c8-4c0c-9468-2ee0397489c5 Total devices 2 FS bytes used 20.06GB devid 1 size 20.00GB used 11.03GB path /dev/dm-2 devid 2 size 12.00GB used 11.01GB path /dev/dm-3 Btrfs Btrfs v0.19 And looks same on btrfs-show. I am running a 2.6.35 kernel with btrfs-tools version 0.19+20100601-3 on Debian. Ritesh -- Given the large number of mailing lists I follow, I request you to CC me in replies for quicker response -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html