fs/iomap: Use the new blk_opf_t type

Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
the combination of a request operation and 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>
Link: https://lore.kernel.org/r/20220714180729.1065367-56-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 5d098ad..18a3d93 100644 (file)
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -52,7 +52,7 @@ struct iomap_dio {
 };
 
 static struct bio *iomap_dio_alloc_bio(const struct iomap_iter *iter,
-               struct iomap_dio *dio, unsigned short nr_vecs, unsigned int opf)
+               struct iomap_dio *dio, unsigned short nr_vecs, blk_opf_t opf)
 {
        if (dio->dops && dio->dops->bio_set)
                return bio_alloc_bioset(iter->iomap.bdev, nr_vecs, opf,
@@ -212,10 +212,10 @@ static void iomap_dio_zero(const struct iomap_iter *iter, struct iomap_dio *dio,
  * mapping, and whether or not we want FUA.  Note that we can end up
  * clearing the WRITE_FUA flag in the dio request.
  */
-static inline unsigned int iomap_dio_bio_opflags(struct iomap_dio *dio,
+static inline blk_opf_t iomap_dio_bio_opflags(struct iomap_dio *dio,
                const struct iomap *iomap, bool use_fua)
 {
-       unsigned int opflags = REQ_SYNC | REQ_IDLE;
+       blk_opf_t opflags = REQ_SYNC | REQ_IDLE;
 
        if (!(dio->flags & IOMAP_DIO_WRITE)) {
                WARN_ON_ONCE(iomap->flags & IOMAP_F_ZONE_APPEND);
@@ -244,7 +244,7 @@ static loff_t iomap_dio_bio_iter(const struct iomap_iter *iter,
        unsigned int fs_block_size = i_blocksize(inode), pad;
        loff_t length = iomap_length(iter);
        loff_t pos = iter->pos;
-       unsigned int bio_opf;
+       blk_opf_t bio_opf;
        struct bio *bio;
        bool need_zeroout = false;
        bool use_fua = false;