diff options
Diffstat (limited to 'drivers/block/nbd.c')
| -rw-r--r-- | drivers/block/nbd.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index be92c658f06e..228b2ff577aa 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -180,7 +180,7 @@ static inline int sock_send_bvec(struct socket *sock, struct bio_vec *bvec, static int nbd_send_req(struct nbd_device *lo, struct request *req) { - int result, i, flags; + int result, flags; struct nbd_request request; unsigned long size = req->nr_sectors << 9; struct socket *sock = lo->sock; @@ -205,16 +205,15 @@ static int nbd_send_req(struct nbd_device *lo, struct request *req) } if (nbd_cmd(req) == NBD_CMD_WRITE) { - struct bio *bio; + struct req_iterator iter; + struct bio_vec *bvec; /* * we are really probing at internals to determine * whether to set MSG_MORE or not... */ - rq_for_each_bio(bio, req) { - struct bio_vec *bvec; - bio_for_each_segment(bvec, bio, i) { + rq_for_each_segment(bvec, req, iter) { flags = 0; - if ((i < (bio->bi_vcnt - 1)) || bio->bi_next) + if (!rq_iter_last(req, iter)) flags = MSG_MORE; dprintk(DBG_TX, "%s: request %p: sending %d bytes data\n", lo->disk->disk_name, req, @@ -226,7 +225,6 @@ static int nbd_send_req(struct nbd_device *lo, struct request *req) result); goto error_out; } - } } } return 0; @@ -321,11 +319,10 @@ static struct request *nbd_read_stat(struct nbd_device *lo) dprintk(DBG_RX, "%s: request %p: got reply\n", lo->disk->disk_name, req); if (nbd_cmd(req) == NBD_CMD_READ) { - int i; - struct bio *bio; - rq_for_each_bio(bio, req) { - struct bio_vec *bvec; - bio_for_each_segment(bvec, bio, i) { + struct req_iterator iter; + struct bio_vec *bvec; + + rq_for_each_segment(bvec, req, iter) { result = sock_recv_bvec(sock, bvec); if (result <= 0) { printk(KERN_ERR "%s: Receive data failed (result %d)\n", @@ -336,7 +333,6 @@ static struct request *nbd_read_stat(struct nbd_device *lo) } dprintk(DBG_RX, "%s: request %p: got %d bytes data\n", lo->disk->disk_name, req, bvec->bv_len); - } } } return req; |