[PATCH] xfsdump: incremental dump directory selection

[Bill Kendall]

Christoph Hellwig wrote:
> On Fri, Oct 21, 2011 at 11:35:33AM -0500, Bill Kendall wrote:
>> When doing incremental backups, xfsdump does a recursive scan through
>> the filesystems to determine the proper set of unchanged directories
>> to include in the dump in order to make the dump self-contained
>> (allowing files to be restored from this dump without applying the
>> base dumps first).
>>
>> For high-inode count filesystems, the recursive scan may consume a
>> significant portion of the backup time. This patch adds a -D option
>> which causes xfsdump to skip the recursive scan. Unchanged directories
>> will not be dumped, so the base dump(s) will have to be loaded prior
>> to restoring files from the dump. When restoring files from such a
>> dump, a message is issued to alert the user that files may end up in
>> the orphanage if the base dump(s) has not been applied.
> 
> Any chance you could submit some xfstests coverage for this feature?

Sure, will do.

Bill