| Date | Thu, 10 Aug 2017 05:11:39 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH v3 21/49] blk-merge: compute bio->bi_seg_front_size efficiently |
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On Tue, Aug 08, 2017 at 04:45:20PM +0800, Ming Lei wrote: > It is enough to check and compute bio->bi_seg_front_size just > after the 1st segment is found, but current code checks that > for each bvec, which is inefficient. > > This patch follows the way in __blk_recalc_rq_segments() > for computing bio->bi_seg_front_size, and it is more efficient > and code becomes more readable too.
As far as I can tell this doesn't depend on anything else in the series and could be sent standalone?
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