From: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Date: Mon, 28 Nov 2011 19:12:05 +0000 (+0100)
Subject: cciss: fix flush cache transfer length
X-Git-Tag: v2.6.39-400.9.0~423^2~19^2~11^2~725
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6c42b5cc1694215a2860f494b46809fedb8cfd8f;p=users%2Fjedix%2Flinux-maple.git

cciss: fix flush cache transfer length

We weren't filling in the transfer length of the
flush cache command (it transfers 4 bytes of zeroes).
Firmware didn't seem to be bothered by this, but it
should be fixed.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 59bd71a81b66990564eac69aedd28ad87a2c81f4)

Signed-off-by: Joe Jin <joe.jin@oracle.com>
---

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 6bfc6caefe37..35e7d6f68008 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2647,6 +2647,8 @@ static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
 			c->Request.Timeout = 0;
 			c->Request.CDB[0] = BMIC_WRITE;
 			c->Request.CDB[6] = BMIC_CACHE_FLUSH;
+			c->Request.CDB[7] = (size >> 8) & 0xFF;
+			c->Request.CDB[8] = size & 0xFF;
 			break;
 		case TEST_UNIT_READY:
 			c->Request.CDBLen = 6;