From: Sagi Grimberg <sagig@mellanox.com>
Date: Sun, 19 Apr 2015 17:27:20 +0000 (+0300)
Subject: target/file: Remove fd_prot bounce buffer
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~8^2~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8287fa5fb43c3fa05748560b8e13b91c4e88f586;p=pandora-kernel.git

target/file: Remove fd_prot bounce buffer

The reason this bounce buffer exists is to allow code
reuse between rd_mcp and fileio in DIF mode. But the fact is,
that this bounce is really not needed at all, we can simply call
sbc_dif_verify on cmd->t_prot_sg and use it for file IO.

This also removes fd_do_prot_rw as fd_do_rw was generalised
to receive file pointer, block size (8 bytes for DIF data) and
total data length.

(Fix apply breakage from commit c836777 - nab)

Tested-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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