From 093c959307f2f5af72b24fdc4af7d4d0263f6eea Mon Sep 17 00:00:00 2001
From: Sam Bradshaw <sbradshaw@micron.com>
Date: Wed, 15 May 2013 10:09:05 +0200
Subject: [PATCH] mtip32xx: Correctly handle bio->bi_idx != 0 conditions

Stacking drivers may append bvecs to existing bio's, resulting
in non-zero bi_idx conditions.  This patch counts the loops of
bio_for_each_segment() rather than inheriting the bi_idx value
to pass as a segment count to the hardware submission routine.

Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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