Re: Ideas to do custom operation just after mount?

[Qu Wenruo <quwenruo@cn.fujitsu.com>]

Dave Chinner wrote on 2015/12/21 11:16 +1100:
> On Thu, Dec 17, 2015 at 09:55:14AM +0800, Qu Wenruo wrote:
>> Hi,
>>
>> Will xfstests provides some API to do some operation just after
>> mounting a filesystem?
>>
>> Some filesystem(OK, btrfs again) has some function(now qgroup only)
>> which needed to be enabled by ioctl instead of mount option.
>
> Irk.
>
> Seriously, I need ot find some time to split all the fs specific
> stuff in common/rc into separate files and have each different
> filesystem implement it's own version of the relevant functions
> like _scratch_mkfs, _scratch_mount, etc.
>
> That will enable btrfs to do truly hideous stuff like this that
> admins will hate you for requiring, and the rest of us won't have to
> care about it.
>
>> So is there any good idea to do some operation just after mounting
>> in xfstests?
>
> You're just going to have to wait a bit - the first piece of this
> is in the overlayfs support patches, and the rest of it is in my
> local work area in an incomplete state.

Glad to hear that, I'll just wait for the formal implement.

Thanks,
Qu

>
> Cheers,
>
> Dave.
>