On 8/29/13 8:21 AM, David Sterba wrote:
> On Tue, Aug 13, 2013 at 02:38:05PM -0500, Eric Sandeen wrote:
>>> +. ./common/rc
>>> +. ./common/filter
>>> +# real QA test starts here
>>> +_supported_fs btrfs
>>> +_supported_os Linux
>>> +_scratch_mkfs > /dev/null 2>&1
>>> +# This will be set to subvolid 256. If this ever changes in the future for
>>> +# whatever reason we'll have to pull the subvolid out of the subvol list
>>> +# but since it's a newly mkfs'ed fs we should be fine with this.
>> . . . and then you grab it out of the subvol list command anyway ;)
>> So really this comment should go, and it sure would be nice to have
>> a btrfs_get_subvolid() helper for future generations...
> This is available in the 'btrfs subvol show /subvol':
> # btrfs subvol show subv1
> Name: subv1
> uuid: cf010ad0-38bf-7a42-88be-3360f68cd335
> Parent uuid: e6543f70-5d38-1845-b976-d18095860bdf
> Creation time: 2013-08-29 15:18:18
> Object ID: 258
> Generation (Gen): 6
> Gen at creation: 6
> Parent: 5
> Top Level: 5
> Flags: readonly
> Though it involves grep as well.
Ok, yeah, I just meant an xfstests helper routine, sorry.
I guess it could use the above, or subvol list as Josef
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