Re: v0.19-35-g1b444cd btrfsck says snapshots have errors

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On Fri, Jan 21, 2011 at 6:52 AM, Ian! D. Allen <idallen@xxxxxxxxxx> wrote:
> Still getting btrfsck errors with this:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-progs-unstable.git
>
> # ./btrfstest.sh
> Using /mnt/sdb1 /dev/sdb1 on /dev/sdb
> + mkfs.btrfs -L BTRFStest /dev/sdb1
>
> WARNING! - Btrfs v0.19-35-g1b444cd IS EXPERIMENTAL
> WARNING! - see http://btrfs.wiki.kernel.org before using
>
> fs created label BTRFStest on /dev/sdb1
>        nodesize 4096 leafsize 4096 sectorsize 4096 size 2.00GB
> Btrfs v0.19-35-g1b444cd
> + mount -o noatime /dev/sdb1 /mnt/sdb1
> + btrfs subvolume snapshot /mnt/sdb1 /mnt/sdb1/snap1
> Create a snapshot of '/mnt/sdb1' in '/mnt/sdb1/snap1'
> + btrfs subvolume snapshot /mnt/sdb1/snap1 /mnt/sdb1/snap2
> Create a snapshot of '/mnt/sdb1/snap1' in '/mnt/sdb1/snap2'
> + btrfs subvolume snapshot /mnt/sdb1/snap2 /mnt/sdb1/snap3
> Create a snapshot of '/mnt/sdb1/snap2' in '/mnt/sdb1/snap3'
> + btrfs subvolume snapshot /mnt/sdb1/snap3 /mnt/sdb1/snap4
> Create a snapshot of '/mnt/sdb1/snap3' in '/mnt/sdb1/snap4'
> + btrfs subvolume snapshot /mnt/sdb1/snap4 /mnt/sdb1/snap5
> Create a snapshot of '/mnt/sdb1/snap4' in '/mnt/sdb1/snap5'
> + umount /dev/sdb1
> + btrfsck /dev/sdb1
> fs tree 256 refs 6
>        unresolved ref root 256 dir 256 index 2 namelen 5 name snap1 error 600
>        unresolved ref root 257 dir 256 index 2 namelen 5 name snap1 error 600
>        unresolved ref root 258 dir 256 index 2 namelen 5 name snap1 error 600
>        unresolved ref root 259 dir 256 index 2 namelen 5 name snap1 error 600
>        unresolved ref root 260 dir 256 index 2 namelen 5 name snap1 error 600
> found 49152 bytes used err is 1
> total csum bytes: 0
> total tree bytes: 49152
> total fs tree bytes: 28672
> btree space waste bytes: 39360
> file data blocks allocated: 0
>  referenced 0
> Btrfs v0.19-35-g1b444cd
>
>

These is caused by a design flaw, you can safely ignore them.
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