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 6bfc6caefe37caf1c230e6c61ffe0eb76966ef6e..35e7d6f68008927c5067dbb5e3c2be160db09730 100644 (file)
--- 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;