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dm: implement REQ_FLUSH/FUA support for bio-based dm
[cascardo/linux.git]
/
drivers
/
md
/
dm-crypt.c
diff --git
a/drivers/md/dm-crypt.c
b/drivers/md/dm-crypt.c
index
368e8e9
..
d5b0e4c
100644
(file)
--- a/
drivers/md/dm-crypt.c
+++ b/
drivers/md/dm-crypt.c
@@
-1278,7
+1278,7
@@
static int crypt_map(struct dm_target *ti, struct bio *bio,
struct dm_crypt_io *io;
struct crypt_config *cc;
- if (
unlikely(bio_empty_barrier(bio))
) {
+ if (
bio->bi_rw & REQ_FLUSH
) {
cc = ti->private;
bio->bi_bdev = cc->dev->bdev;
return DM_MAPIO_REMAPPED;