dm zoned: remove test for impossible REQ_OP_FLUSH conditions
authorMikulas Patocka <mpatocka@redhat.com>
Fri, 21 Jul 2017 15:56:46 +0000 (11:56 -0400)
committerMike Snitzer <snitzer@redhat.com>
Tue, 25 Jul 2017 19:12:17 +0000 (15:12 -0400)
The value REQ_OP_FLUSH is only used by the block code for
request-based devices.

Remove the tests for REQ_OP_FLUSH from the bio-based dm-zoned-target.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-zoned-target.c

index 2b538fa817f43e6fbc851be50aeb17133f35f3e4..71eae8a23dae6a6ccb07f239465650dff62e6d2c 100644 (file)
@@ -588,7 +588,7 @@ static int dmz_map(struct dm_target *ti, struct bio *bio)
 
        bio->bi_bdev = dev->bdev;
 
-       if (!nr_sectors && (bio_op(bio) != REQ_OP_FLUSH) && (bio_op(bio) != REQ_OP_WRITE))
+       if (!nr_sectors && bio_op(bio) != REQ_OP_WRITE)
                return DM_MAPIO_REMAPPED;
 
        /* The BIO should be block aligned */
@@ -603,7 +603,7 @@ static int dmz_map(struct dm_target *ti, struct bio *bio)
        bioctx->status = BLK_STS_OK;
 
        /* Set the BIO pending in the flush list */
-       if (bio_op(bio) == REQ_OP_FLUSH || (!nr_sectors && bio_op(bio) == REQ_OP_WRITE)) {
+       if (!nr_sectors && bio_op(bio) == REQ_OP_WRITE) {
                spin_lock(&dmz->flush_lock);
                bio_list_add(&dmz->flush_list, bio);
                spin_unlock(&dmz->flush_lock);