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authorSumant Patro <sumantp@lsil.com>2007-02-14 13:00:55 -0800
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-02-16 10:43:41 -0600
commit02b01e010afeeb49328d35650d70721d2ca3fd59 (patch)
tree28163befce75d3ebbbfa84a0acf9f85f5bb95675
parent9f35fa8a14e6216a859e2dfbe50ade497f9603ef (diff)
[SCSI] megaraid_sas: return sync cache call with success
FW does not support SYNCHRONIZE_CACHE cmd. FW flush cache on its own. So, we just return success from the megasas_queue_command. Signed-off-by: Sumant Patro <sumant.patro@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 4070894ed5f..01eb9b5870b 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -856,6 +856,18 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
goto out_done;
}
+ switch (scmd->cmnd[0]) {
+ case SYNCHRONIZE_CACHE:
+ /*
+ * FW takes care of flush cache on its own
+ * No need to send it down
+ */
+ scmd->result = DID_OK << 16;
+ goto out_done;
+ default:
+ break;
+ }
+
cmd = megasas_get_cmd(instance);
if (!cmd)
return SCSI_MLQUEUE_HOST_BUSY;