On 09/10/2012 08:13 PM, Andreas Philipp wrote: > 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.)
due to delayed-*, the accounting also sometimes shows up delayed. After a sync you should see the changes. > > 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 > -- 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
