block: remove wrappers for request type/flags

Remove all the trivial wrappers for the cmd_type and cmd_flags fields in
struct requests.  This allows much easier grepping for different request
types instead of unwinding through macros.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c
index e606cf0..613f588 100644
--- a/drivers/scsi/sun3_scsi.c
+++ b/drivers/scsi/sun3_scsi.c
@@ -524,7 +524,7 @@
 						  struct scsi_cmnd *cmd,
 						  int write_flag)
 {
-	if(blk_fs_request(cmd->request))
+	if (cmd->request->cmd_type == REQ_TYPE_FS)
  		return wanted;
 	else
 		return 0;