On Fri, Aug 5, 2011 at 11:40 AM, Greg Freemyer [off-list ref] wrote:

On Fri, Aug 5, 2011 at 9:53 AM, Amir Goldstein [off-list ref] wrote:

quoted

Hi Anand,

Can you please post the patch in the body of the message so we can
comment on it inline.

Aditya is also working on a btrfs snapshots xfstest (currently named
257) as part of
his Google summer of code project.

It would be great if you guys can cooperate your efforts.

BTW, while running Aditya's test, Greg has stumbled upon a btrfs OOPS.
Greg can provide more details about it.

Cheers,
Amir.

On Fri, Aug 5, 2011 at 10:59 AM, Anand Jain [off-list ref] wrote:

quoted

Hi,

 Attached is the patch for the xfstests, which adds snapshot,
 defragment and volume management test cases for the btrfs
 (257, 258 and 259 respectively).

 This introduces a new user variable 'DISK_POOL' which should
 be set to disks for the raid tests.

 An example of usage of these tests is as below.
------------
[root@localhost xfstests]# cat local.config
TEST_DEV="/dev/sdd"
TEST_DIR=/btrfs
SCRATCH_DEV="/dev/sde"
SCRATCH_MNT=/btrfs1
DISK_POOL="/dev/sdf /dev/sdg"
[root@localhost xfstests]#

[root@localhost xfstests]# ./check 257 258 259
FSTYP -- btrfs
PLATFORM -- Linux/i686 localhost 3.0.0-rc6+
MKFS_OPTIONS -- /dev/sde
MOUNT_OPTIONS -- -o context=system_u:object_r:nfs_t:s0 /dev/sde /btrfs1

257 8s
258 3s
259 33s
Ran: 257 258 259
Passed all 3 tests
----------------

 Thank you.

Anand

Anand,

I've only reproduced the oops in 2.6.39 and older using openSUSE 11.4 userspace.

I have not tried with 3.0 or newer nor with newer userspace, so it may
or may not have been fixed.

It happened with a openSUSE kernel, so I put it in their bugzilla.

https://bugzilla.novell.com/show_bug.cgi?id=705039

I just tested with kernel 3.0 and the oops is gone.

I closed that bugzilla as resolved.

Greg

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