md/raid5: Use the enum req_op and blk_opf_t types

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
variables that represent request flags.

Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-37-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 5d09256..cae1612 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1082,7 +1082,8 @@ static void ops_run_io(struct stripe_head *sh, struct stripe_head_state *s)
        should_defer = conf->batch_bio_dispatch && conf->group_cnt;
 
        for (i = disks; i--; ) {
-               int op, op_flags = 0;
+               enum req_op op;
+               blk_opf_t op_flags = 0;
                int replace_only = 0;
                struct bio *bi, *rbi;
                struct md_rdev *rdev, *rrdev = NULL;