Hi Arne, On 08.09.2012 00:04, Arne Jansen wrote: > Hi Andreas, > > On 09/07/2012 09:36 PM, Andreas Philipp wrote: >> Hi, >> >> The following steps reproduce the error. My kernel is 3.6-rc4 and >> btrfs-progs are at commit 89fe5b5f666c247aa3173745fb87c710f3a71a4a >> from >> git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs.git >> >> > master. >> thor ~ # mkfs.btrfs -L test /dev/vg1/test >> >> WARNING! - Btrfs Btrfs v0.19 IS EXPERIMENTAL WARNING! - see >> http://btrfs.wiki.kernel.org before using >> >> fs created label test on /dev/vg1/test nodesize 4096 leafsize 4096 >> sectorsize 4096 size 20.00GB Btrfs Btrfs v0.19 thor ~ # mount >> /dev/vg1/test /mnt/tmp thor ~ # btrfs quota enable /mnt/tmp thor ~ >> # btrfs subvolume create /mnt/tmp/test Create subvolume >> '/mnt/tmp/test' ERROR: cannot create subvolume - Invalid argument > Thanks for giving quota a try. I sent a fix separately with > the subject > > [PATCH] Btrfs: btrfs_qgroup_inherit wrongly returns an error > > Could you please see if it fixes the problem? With the patch applied (on top of either 3.6-rc4 or 3.6-rc5) I can create subvolumes as you see below.
root@debian:~# mkfs.btrfs /dev/sdb WARNING! - Btrfs Btrfs v0.19 IS EXPERIMENTAL WARNING! - see http://btrfs.wiki.kernel.org before using fs created label (null) on /dev/sdb nodesize 4096 leafsize 4096 sectorsize 4096 size 3.00GB Btrfs Btrfs v0.19 root@debian:~# mount /dev/sdb /mnt/test root@debian:~# btrfs quota enable /mnt/test root@debian:~# btrfs subvolume create /mnt/test/subvolume Create subvolume '/mnt/test/subvolume' root@debian:~# btrfs qgroup show /mnt/test 0/257 4096 4096 root@debian:~# dd if=/dev/urandom of=/mnt/test/subvolume/testfile bs=1024k count=25 25+0 records in 25+0 records out 26214400 bytes (26 MB) copied, 2.95321 s, 8.9 MB/s root@debian:~# btrfs qgroup show /mnt/test 0/257 4096 4096 root@debian:~# du -hs /mnt/test/* 25M /mnt/test/subvolume At least I expected that the output of ' btrfs qgroup show' changes after some data got written to a subvolume which is assigned to a qgroup. (Hope, I got it right.) Thanks, Andreas > > Thanks, > Arne >> Please, do not hesitate to contact me for any further information >> etc. >> >> Thanks, Andreas -- To unsubscribe from this list: send the line >> "unsubscribe linux-btrfs" in the body of a message to >> majord...@vger.kernel.org More majordomo info at >> http://vger.kernel.org/majordomo-info.html >> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
