From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Date: Sat, 26 May 2007 05:04:03 +0000 (+0900)
Subject: [SCSI] scsi_lib: add scatter/gather data buffer accessors
X-Git-Tag: v2.6.23-rc1~1053^2~142
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=824d7b570b4dec49e868c251d670941b02a1e489;p=pandora-kernel.git

[SCSI] scsi_lib: add scatter/gather data buffer accessors

This adds a set of accessors for the scsi data buffer. This is in
preparation for chaining sg lists and bidirectional requests (and
possibly, the mid-layer dma mapping).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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