[PATCH 37/51] fs/direct-io: Use the enum req_op and blk_opf_t types

[Bart Van Assche <bvanassche@acm.org>]

Improve static type checking by using the enum req_op type for block layer
request operations and the new blk_opf_t type for block layer request flags.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 fs/direct-io.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/direct-io.c b/fs/direct-io.c
index 840752006f60..9cfbb37ec62a 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -117,8 +117,8 @@ struct dio_submit {
 /* dio_state communicated between submission path and end_io */
 struct dio {
 	int flags;			/* doesn't change */
-	int op;
-	int op_flags;
+	enum req_op op;
+	blk_opf_t op_flags;
 	struct gendisk *bio_disk;
 	struct inode *inode;
 	loff_t i_size;			/* i_size when submitted */