fs/mpage: Use the new blk_opf_t type

Improve static type checking by using the new blk_opf_t type for the
combination of a block layer request with block layer request flags.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-50-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/mpage.c b/fs/mpage.c
index 0d25f44..c6d8bf8 100644 (file)
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -145,13 +145,13 @@ static struct bio *do_mpage_readpage(struct mpage_readpage_args *args)
        struct block_device *bdev = NULL;
        int length;
        int fully_mapped = 1;
-       int op = REQ_OP_READ;
+       blk_opf_t opf = REQ_OP_READ;
        unsigned nblocks;
        unsigned relative_block;
        gfp_t gfp = mapping_gfp_constraint(page->mapping, GFP_KERNEL);
 
        if (args->is_readahead) {
-               op |= REQ_RAHEAD;
+               opf |= REQ_RAHEAD;
                gfp |= __GFP_NORETRY | __GFP_NOWARN;
        }
 
@@ -269,7 +269,7 @@ alloc_new:
                                                                page))
                                goto out;
                }
-               args->bio = bio_alloc(bdev, bio_max_segs(args->nr_pages), op,
+               args->bio = bio_alloc(bdev, bio_max_segs(args->nr_pages), opf,
                                      gfp);
                if (args->bio == NULL)
                        goto confused;