block, drivers, fs: rename REQ_FLUSH to REQ_PREFLUSH

[deliverable/linux.git] / drivers / md / dm-crypt.c

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 4f3cb355494469e4abfc259a0042cafd187e36cc..96dd5d7e454ac01a5c062f1f30a4d5294be2822c 100644 (file)
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1136,7 +1136,7 @@ static void clone_init(struct dm_crypt_io *io, struct bio *clone)
        clone->bi_private = io;
        clone->bi_end_io  = crypt_endio;
        clone->bi_bdev    = cc->dev->bdev;
-       clone->bi_rw      = io->base_bio->bi_rw;
+       bio_set_op_attrs(clone, bio_op(io->base_bio), io->base_bio->bi_rw);
 }
 
 static int kcryptd_io_read(struct dm_crypt_io *io, gfp_t gfp)
@@ -1911,11 +1911,12 @@ static int crypt_map(struct dm_target *ti, struct bio *bio)
        struct crypt_config *cc = ti->private;
 
        /*
-        * If bio is REQ_FLUSH or REQ_DISCARD, just bypass crypt queues.
-        * - for REQ_FLUSH device-mapper core ensures that no IO is in-flight
-        * - for REQ_DISCARD caller must use flush if IO ordering matters
+        * If bio is REQ_PREFLUSH or REQ_OP_DISCARD, just bypass crypt queues.
+        * - for REQ_PREFLUSH device-mapper core ensures that no IO is in-flight
+        * - for REQ_OP_DISCARD caller must use flush if IO ordering matters
         */
-       if (unlikely(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD))) {
+       if (unlikely(bio->bi_rw & REQ_PREFLUSH ||
+           bio_op(bio) == REQ_OP_DISCARD)) {
                bio->bi_bdev = cc->dev->bdev;
                if (bio_sectors(bio))
                        bio->bi_iter.bi_sector = cc->start +