From: Boaz Harrosh <bharrosh@panasas.com>
Date: Sun, 23 Jan 2011 15:53:24 +0000 (+0200)
Subject: [SCSI] libosd: osd_req_read_sg, optimize the single entry case
X-Git-Tag: v2.6.39-rc1~440^2~135
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4977c82504f58d7579acabd21688183eaa8768fb;p=pandora-kernel.git

[SCSI] libosd: osd_req_read_sg, optimize the single entry case

Since sg-read is a bidi operation, it is a gain to convert
a single sg entry into a regular read. Better do this in the
generic layer then force each caller to do so.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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