On Tue, 2011-03-22 at 15:55 -0400, Christoph Hellwig wrote: > Now that we have reliably tracking of deleted extents in a transaction > we can easily implement "online" discard support which calls > blkdev_issue_discard once a transaction commits. > > The actual discard is a two stage operation as we first have to mark > the busy extent as not available for reuse before we can start the > actual discard. Note that we don't bother supporting discard for > the non-delaylog mode. While that would be possible with this patch > performance is awfull, and the optimization in the next patch won't > work as easily. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> . . . This one looks good overall. How about adding documentation to Documentation/filesystems/xfs.txt to describe the new mount options? (Dave, same goes for you with delaylog. I haven't looked for any other things missing from there.) Reviewed-by: Alex Elder <aelder@xxxxxxx> _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
