On Sep 25, 2013, at 6:12 AM, Ric Wheeler <rwheeler@xxxxxxxxxx> wrote: > We should not confuse TRIM that gets handled at the device layer (and is a slow, non-queued S-ATA command for example) and a dm-thin parsing of that same command in software which just updates the metadata that dm-thin maintains. Yes, fair point. I should have qualified the assertion better to indicate default discard to the physical device is probably not a good idea. Or maybe it needs to get smarter, and initiated when the fs isn't particularly busy. A kind of delayed discard. Chris Murphy -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
