REQ_SWAP
return (bio->bi_opf & (REQ_META | REQ_SWAP)) != 0;
(bio->bi_opf & REQ_SWAP) == REQ_SWAP);
(bio->bi_opf & REQ_SWAP) == REQ_SWAP);
(bio->bi_opf & REQ_SWAP) == REQ_SWAP);
#define REQ_HIPRIO (REQ_SYNC | REQ_META | REQ_PRIO | REQ_SWAP)
if (bio->bi_opf & REQ_SWAP)
if (req->cmd_flags & REQ_SWAP)
return unlikely((bio->bi_opf & REQ_SWAP) != 0) && unlikely(ti->limit_swap_bios);
bio_init(&bio, sis->bdev, &bv, 1, REQ_OP_WRITE | REQ_SWAP);
bio = bio_alloc(sis->bdev, 1, REQ_OP_WRITE | REQ_SWAP, GFP_NOIO);