From 2c316bb57ad4e9f0f3de2d7ef1ae85530c2a7e69 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Sun, 19 Apr 2009 08:46:03 +0900
Subject: [PATCH] ide: drop rq->data handling from ide_map_sg()

Impact: remove code path which is no longer necessary

All IDE data transfers now use rq->bio.  Simplify ide_map_sg()
accordingly.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
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