Re: What to do about subvolumes?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 2010-12-06, at 09:48, J. Bruce Fields wrote:
On Fri, Dec 03, 2010 at 04:01:44PM -0700, Andreas Dilger wrote:
>> Any chance we can add a ->get_fsid(sb, inode) method to
>> export_operations (or something simiar), that allows the filesystem to
>> generate an FSID based on the volume and inode that is being exported?
> 
> No objection from here.
> 
> (Though I don't understand the inode argument--aren't "subvolumes"
> usually expected to have separate superblocks?)

I thought that if two directories from the same filesystem are both being exported at the same time that they would need to have different FSID values, hence the inode parameter to allow generating an FSID that is a function of both the filesystem (sb) and the directory being exported (inode)?

Cheers, Andreas





--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux