Reordering requirements

Posted Aug 15, 2008 14:54 UTC (Fri) by willy (subscriber, #9762)
In reply to: Reordering requirements by pjm
Parent article: Block layer discard requests

This was already discussed in the email thread ... overlapping writes are already serialised
by the page lock.  Discard doesn't have a page to lock, so you can't rely on this.