diff options
Diffstat (limited to 'drivers/block/nbd.c')
| -rw-r--r-- | drivers/block/nbd.c | 63 |
1 files changed, 28 insertions, 35 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index c129510..be5ec3a 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -100,7 +100,7 @@ static const char *nbdcmd_to_ascii(int cmd) static void nbd_end_request(struct request *req) { int uptodate = (req->errors == 0) ? 1 : 0; - request_queue_t *q = req->q; + struct request_queue *q = req->q; unsigned long flags; dprintk(DBG_BLKDEV, "%s: request %p: %s\n", req->rq_disk->disk_name, @@ -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; @@ -205,27 +205,23 @@ 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) { - flags = 0; - if ((i < (bio->bi_vcnt - 1)) || bio->bi_next) - flags = MSG_MORE; - dprintk(DBG_TX, "%s: request %p: sending %d bytes data\n", - lo->disk->disk_name, req, - bvec->bv_len); - result = sock_send_bvec(sock, bvec, flags); - if (result <= 0) { - printk(KERN_ERR "%s: Send data failed (result %d)\n", - lo->disk->disk_name, - result); - goto error_out; - } + rq_for_each_segment(bvec, req, iter) { + flags = 0; + 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, bvec->bv_len); + result = sock_send_bvec(sock, bvec, flags); + if (result <= 0) { + printk(KERN_ERR "%s: Send data failed (result %d)\n", + lo->disk->disk_name, result); + goto error_out; } } } @@ -321,22 +317,19 @@ 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) { - result = sock_recv_bvec(sock, bvec); - if (result <= 0) { - printk(KERN_ERR "%s: Receive data failed (result %d)\n", - lo->disk->disk_name, - result); - req->errors++; - return req; - } - dprintk(DBG_RX, "%s: request %p: got %d bytes data\n", - lo->disk->disk_name, req, bvec->bv_len); + 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", + lo->disk->disk_name, result); + req->errors++; + return req; } + dprintk(DBG_RX, "%s: request %p: got %d bytes data\n", + lo->disk->disk_name, req, bvec->bv_len); } } return req; @@ -410,7 +403,7 @@ static void nbd_clear_que(struct nbd_device *lo) * { printk( "Warning: Ignoring result!\n"); nbd_end_request( req ); } */ -static void do_nbd_request(request_queue_t * q) +static void do_nbd_request(struct request_queue * q) { struct request *req; |
