| To: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 02/28] xfs: re-enable non-blocking behaviour in xfs_map_blocks |
| From: | Dave Chinner <david@xxxxxxxxxxxxx> |
| Date: | Fri, 8 Jul 2011 20:19:15 +1000 |
| Cc: | xfs@xxxxxxxxxxx, Alex Elder <aelder@xxxxxxx> |
| In-reply-to: | <20110707110640.863389024@xxxxxxxxxxxxxxxxxxxxxx> |
| References: | <20110707110535.205001532@xxxxxxxxxxxxxxxxxxxxxx> <20110707110640.863389024@xxxxxxxxxxxxxxxxxxxxxx> |
| User-agent: | Mutt/1.5.20 (2009-06-14) |
On Thu, Jul 07, 2011 at 07:05:37AM -0400, Christoph Hellwig wrote: > The non-blockig behaviour in xfs_vm_writepage currently is conditional on > having both the WB_SYNC_NONE sync_mode and the nonblocking flag set. > The latter used to be used by both pdflush, kswapd and a few other places > in older kernels, but has been fading out starting with the introduction > of the per-bdi flusher threads. > > Enable the non-blocking behaviour for all WB_SYNC_NONE calls to get back > the behaviour we want. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Signed-off-by: Alex Elder <aelder@xxxxxxx> Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> -- Dave Chinner david@xxxxxxxxxxxxx |
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