On Sat, Jan 09, 2016 at 07:21:12PM -0600, Mike Christie wrote: > Oh yeah, to answer the second part of your question, REQ_OP_FLUSH is > only a flush operation like what request_fn drivers wanted.
And that's the odd part that trips me up. > > REQ_PREFLUSH can be set with a REQ_OP_WRITE bio when filesystems want to > do both. > > There is then the case where filesystems and blkdev_issue_flush could > just want to request a flush. I left them as a REQ_PREFLUSH with > REQ_OP_WRITE set, so there would be a single code path. But the pure flush without data transfer case is pretty different, so it seems rather odd to handle it like that. But I suspec we could just fix that up later. ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
