Translate OCF-error-codes in IO path

Signed-off-by: Michal Rakowski <michal.rakowski@intel.com>

casadm/extended_err_msg.c

@@ -73,6 +73,9 @@ struct {
 		OCF_ERR_IO_CLASS_NOT_EXIST,
 		"No such IO class ID in the cache"
 	},
+	{	OCF_ERR_IO,
+		"I/O error"
+	},
 	{
 		OCF_ERR_WRITE_CACHE,
 		"Error while writing to cache device"
@@ -113,6 +116,22 @@ struct {
 		OCF_ERR_NOT_OPEN_EXC,
 		"Cannot open device exclusively"
 	},
+	{
+		OCF_ERR_AGAIN,
+		"Try again"
+	},
+	{
+		OCF_ERR_NOT_SUPP,
+		"Operation not supported"
+	},
+	{
+		OCF_ERR_METADATA_VER,
+		"Metadata version mismatch"
+	},
+	{
+		OCF_ERR_NO_METADATA,
+		"No metadata found on device"
+	},
 
 	/* CAS kernel error mappings*/
 	{