From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 23 Oct 2007 07:49:25 +0000 (+0200)
Subject: [BLOCK] blk_rq_map_sg: force clear termination bit
X-Git-Tag: v2.6.24-rc1~34^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7aeacf982203fb4dea2f3434eefdc268cfd5d6d9;p=pandora-kernel.git

[BLOCK] blk_rq_map_sg: force clear termination bit

Since blk_rq_map_sg() sets the termination bit at the end of the sg
table, we could see it prematurely on the next mapping unless we
force drivers to do a full sg_init_table() prior to each mapping. So
force clear the termination bit to avoid having to put that clear in
the driver for every mapping.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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