Re: [SUGGESTION]: drop virtual merge accounting in I/O requests

[David Miller]

From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Date: Mon, 14 Jul 2008 11:19:02 +0900

> Now IOMMUs don't ignore the max_segment_size. We hit this problem.

It seems simply that max_segment_size needs to propagate
down into the block layer VMERGE code so that it can
act accordingly.
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