Messages in this thread | | | Date | Tue, 3 Aug 2010 05:01:52 -0400 | From | Christoph Hellwig <> | Subject | Re: [RFC] ext4: Don't send extra barrier during fsync if there are no dirty pages. |
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On Mon, Aug 02, 2010 at 05:09:39PM -0700, Darrick J. Wong wrote: > Well... on my fsync-happy workloads, this seems to cut the barrier count down > by about 20%, and speeds it up by about 20%.
Care to share the test case for this? I'd be especially interesting on how it behaves with non-draining barriers / cache flushes in fsync.
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