Re: [PATCH 10/10] ovl: follow decoded origin file handle of merge dir

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

 



On Tue, Jul 11, 2017 at 2:58 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> When inodes index feature is enabled, if lower dir does not match the
> origin fh stored in upper dir, or if no lower dir was found by name,
> try to decode the stored origin fh and use the result as the merge dir
> lower dentry.
>
> This change is needed for indexing of merge directories. A merge
> directory is indexed by the file handle of the uppermost lower dir and
> the index will have a reference to the upper dir by file handle.
> Following down from upper by origin file handle ensures the integrity
> of the index for non-stale origin entries. index entries with stale origin
> are going to be cleaned up on mount anyway.

Not sure I understand.  In what case is following down by origin needed?

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



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

  Powered by Linux