Improve static type checking by using the new blk_opf_t type for variables
that represent a request operation combined with request flags.
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Bodo Stroesser <bostroesser@gmail.com>
Cc: Mingzhe Zou <mingzhe.zou@easystack.cn>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-45-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 }
 
 static struct bio *iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num,
-                                 unsigned int opf)
+                                 blk_opf_t opf)
 {
        struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev);
        struct bio *bio;
        struct bio_list list;
        struct scatterlist *sg;
        u32 sg_num = sgl_nents;
-       unsigned int opf;
+       blk_opf_t opf;
        unsigned bio_cnt;
        int i, rc;
        struct sg_mapping_iter prot_miter;