Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

6 files changed, 59 insertions, 112 deletions

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index f142eafb6fc7..b41dfb539021 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -3829,18 +3829,18 @@ static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg,
 
 /**
  * ipr_sata_reset - Reset the SATA port
- * @ap:		SATA port to reset
+ * @link:	SATA link to reset
  * @classes:	class of the attached device
  *
- * This function issues a SATA phy reset to the affected ATA port.
+ * This function issues a SATA phy reset to the affected ATA link.
  *
  * Return value:
  *	0 on success / non-zero on failure
  **/
-static int ipr_sata_reset(struct ata_port *ap, unsigned int *classes,
+static int ipr_sata_reset(struct ata_link *link, unsigned int *classes,
 				unsigned long deadline)
 {
-	struct ipr_sata_port *sata_port = ap->private_data;
+	struct ipr_sata_port *sata_port = link->ap->private_data;
 	struct ipr_ioa_cfg *ioa_cfg = sata_port->ioa_cfg;
 	struct ipr_resource_entry *res;
 	unsigned long lock_flags = 0;
@@ -4981,22 +4981,22 @@ static void ipr_ata_phy_reset(struct ata_port *ap)
 	rc = ipr_device_reset(ioa_cfg, res);
 
 	if (rc) {
-		ap->ops->port_disable(ap);
+		ata_port_disable(ap);
 		goto out_unlock;
 	}
 
 	switch(res->cfgte.proto) {
 	case IPR_PROTO_SATA:
 	case IPR_PROTO_SAS_STP:
-		ap->device[0].class = ATA_DEV_ATA;
+		ap->link.device[0].class = ATA_DEV_ATA;
 		break;
 	case IPR_PROTO_SATA_ATAPI:
 	case IPR_PROTO_SAS_STP_ATAPI:
-		ap->device[0].class = ATA_DEV_ATAPI;
+		ap->link.device[0].class = ATA_DEV_ATAPI;
 		break;
 	default:
-		ap->device[0].class = ATA_DEV_UNKNOWN;
-		ap->ops->port_disable(ap);
+		ap->link.device[0].class = ATA_DEV_UNKNOWN;
+		ata_port_disable(ap);
 		break;
 	};
 
@@ -5262,7 +5262,6 @@ static u8 ipr_ata_check_altstatus(struct ata_port *ap)
 }
 
 static struct ata_port_operations ipr_sata_ops = {
-	.port_disable = ata_port_disable,
 	.check_status = ipr_ata_check_status,
 	.check_altstatus = ipr_ata_check_altstatus,
 	.dev_select = ata_noop_dev_select,
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 5e573efcf0a7..0829b55c64d2 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -249,17 +249,17 @@ static void sas_ata_phy_reset(struct ata_port *ap)
 	switch (dev->sata_dev.command_set) {
 		case ATA_COMMAND_SET:
 			SAS_DPRINTK("%s: Found ATA device.\n", __FUNCTION__);
-			ap->device[0].class = ATA_DEV_ATA;
+			ap->link.device[0].class = ATA_DEV_ATA;
 			break;
 		case ATAPI_COMMAND_SET:
 			SAS_DPRINTK("%s: Found ATAPI device.\n", __FUNCTION__);
-			ap->device[0].class = ATA_DEV_ATAPI;
+			ap->link.device[0].class = ATA_DEV_ATAPI;
 			break;
 		default:
 			SAS_DPRINTK("%s: Unknown SATA command set: %d.\n",
 				    __FUNCTION__,
 				    dev->sata_dev.command_set);
-			ap->device[0].class = ATA_DEV_UNKNOWN;
+			ap->link.device[0].class = ATA_DEV_UNKNOWN;
 			break;
 	}
 
@@ -317,7 +317,7 @@ static int sas_ata_scr_write(struct ata_port *ap, unsigned int sc_reg_in,
 			dev->sata_dev.serror = val;
 			break;
 		case SCR_ACTIVE:
-			dev->sata_dev.ap->sactive = val;
+			dev->sata_dev.ap->link.sactive = val;
 			break;
 		default:
 			return -EINVAL;
@@ -342,7 +342,7 @@ static int sas_ata_scr_read(struct ata_port *ap, unsigned int sc_reg_in,
 			*val = dev->sata_dev.serror;
 			return 0;
 		case SCR_ACTIVE:
-			*val = dev->sata_dev.ap->sactive;
+			*val = dev->sata_dev.ap->link.sactive;
 			return 0;
 		default:
 			return -EINVAL;
@@ -350,7 +350,6 @@ static int sas_ata_scr_read(struct ata_port *ap, unsigned int sc_reg_in,
 }
 
 static struct ata_port_operations sas_sata_ops = {
-	.port_disable		= ata_port_disable,
 	.check_status		= sas_ata_check_status,
 	.check_altstatus	= sas_ata_check_status,
 	.dev_select		= ata_noop_dev_select,
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index a417a6ff9f97..604f4d717933 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -263,25 +263,12 @@ static int scsi_merge_bio(struct request *rq, struct bio *bio)
 		bio->bi_rw |= (1 << BIO_RW);
 	blk_queue_bounce(q, &bio);
 
-	if (!rq->bio)
-		blk_rq_bio_prep(q, rq, bio);
-	else if (!ll_back_merge_fn(q, rq, bio))
-		return -EINVAL;
-	else {
-		rq->biotail->bi_next = bio;
-		rq->biotail = bio;
-	}
-
-	return 0;
+	return blk_rq_append_bio(q, rq, bio);
 }
 
-static int scsi_bi_endio(struct bio *bio, unsigned int bytes_done, int error)
+static void scsi_bi_endio(struct bio *bio, int error)
 {
-	if (bio->bi_size)
-		return 1;
-
 	bio_put(bio);
-	return 0;
 }
 
 /**
@@ -337,7 +324,7 @@ static int scsi_req_map_sg(struct request *rq, struct scatterlist *sgl,
 			if (bio->bi_vcnt >= nr_vecs) {
 				err = scsi_merge_bio(rq, bio);
 				if (err) {
-					bio_endio(bio, bio->bi_size, 0);
+					bio_endio(bio, 0);
 					goto free_bios;
 				}
 				bio = NULL;
@@ -359,7 +346,7 @@ free_bios:
 		/*
 		 * call endio instead of bio_put incase it was bounced
 		 */
-		bio_endio(bio, bio->bi_size, 0);
+		bio_endio(bio, 0);
 	}
 
 	return err;
diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c
index 4bf9aa547c78..40579edca101 100644
--- a/drivers/scsi/scsi_netlink.c
+++ b/drivers/scsi/scsi_netlink.c
@@ -64,7 +64,7 @@ scsi_nl_rcv_msg(struct sk_buff *skb)
 
 		if (nlh->nlmsg_type != SCSI_TRANSPORT_MSG) {
 			err = -EBADMSG;
-			goto next_msg;
+			return;
 		}
 
 		hdr = NLMSG_DATA(nlh);
@@ -99,27 +99,6 @@ next_msg:
 
 
 /**
- * scsi_nl_rcv_msg -
- *    Receive handler for a socket. Extracts a received message buffer from
- *    the socket, and starts message processing.
- *
- * @sk:		socket
- * @len:	unused
- *
- **/
-static void
-scsi_nl_rcv(struct sock *sk, int len)
-{
-	struct sk_buff *skb;
-
-	while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
-		scsi_nl_rcv_msg(skb);
-		kfree_skb(skb);
-	}
-}
-
-
-/**
  * scsi_nl_rcv_event -
  *    Event handler for a netlink socket.
  *
@@ -167,8 +146,8 @@ scsi_netlink_init(void)
 		return;
 	}
 
-	scsi_nl_sock = netlink_kernel_create(NETLINK_SCSITRANSPORT,
-				SCSI_NL_GRP_CNT, scsi_nl_rcv, NULL,
+	scsi_nl_sock = netlink_kernel_create(&init_net, NETLINK_SCSITRANSPORT,
+				SCSI_NL_GRP_CNT, scsi_nl_rcv_msg, NULL,
 				THIS_MODULE);
 	if (!scsi_nl_sock) {
 		printk(KERN_ERR "%s: register of recieve handler failed\n",
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 34cdce6738a6..ede9986d349a 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -277,16 +277,11 @@ static int scsi_bus_match(struct device *dev, struct device_driver *gendrv)
 	return (sdp->inq_periph_qual == SCSI_INQ_PQ_CON)? 1: 0;
 }
 
-static int scsi_bus_uevent(struct device *dev, char **envp, int num_envp,
-		           char *buffer, int buffer_size)
+static int scsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	struct scsi_device *sdev = to_scsi_device(dev);
-	int i = 0;
-	int length = 0;
 
-	add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
-		       "MODALIAS=" SCSI_DEVICE_MODALIAS_FMT, sdev->type);
-	envp[i] = NULL;
+	add_uevent_var(env, "MODALIAS=" SCSI_DEVICE_MODALIAS_FMT, sdev->type);
 	return 0;
 }
 
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 34c1860a259d..5428d15f23c6 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1097,61 +1097,49 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 }
 
 /*
- * Get message from skb (based on rtnetlink_rcv_skb).  Each message is
- * processed by iscsi_if_recv_msg.  Malformed skbs with wrong lengths or
- * invalid creds are discarded silently.
+ * Get message from skb.  Each message is processed by iscsi_if_recv_msg.
+ * Malformed skbs with wrong lengths or invalid creds are not processed.
  */
 static void
-iscsi_if_rx(struct sock *sk, int len)
+iscsi_if_rx(struct sk_buff *skb)
 {
-	struct sk_buff *skb;
-
 	mutex_lock(&rx_queue_mutex);
-	while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
-		if (NETLINK_CREDS(skb)->uid) {
-			skb_pull(skb, skb->len);
-			goto free_skb;
+	while (skb->len >= NLMSG_SPACE(0)) {
+		int err;
+		uint32_t rlen;
+		struct nlmsghdr	*nlh;
+		struct iscsi_uevent *ev;
+
+		nlh = nlmsg_hdr(skb);
+		if (nlh->nlmsg_len < sizeof(*nlh) ||
+		    skb->len < nlh->nlmsg_len) {
+			break;
 		}
 
-		while (skb->len >= NLMSG_SPACE(0)) {
-			int err;
-			uint32_t rlen;
-			struct nlmsghdr	*nlh;
-			struct iscsi_uevent *ev;
+		ev = NLMSG_DATA(nlh);
+		rlen = NLMSG_ALIGN(nlh->nlmsg_len);
+		if (rlen > skb->len)
+			rlen = skb->len;
 
-			nlh = nlmsg_hdr(skb);
-			if (nlh->nlmsg_len < sizeof(*nlh) ||
-			    skb->len < nlh->nlmsg_len) {
-				break;
-			}
-
-			ev = NLMSG_DATA(nlh);
-			rlen = NLMSG_ALIGN(nlh->nlmsg_len);
-			if (rlen > skb->len)
-				rlen = skb->len;
-
-			err = iscsi_if_recv_msg(skb, nlh);
-			if (err) {
-				ev->type = ISCSI_KEVENT_IF_ERROR;
-				ev->iferror = err;
-			}
-			do {
-				/*
-				 * special case for GET_STATS:
-				 * on success - sending reply and stats from
-				 * inside of if_recv_msg(),
-				 * on error - fall through.
-				 */
-				if (ev->type == ISCSI_UEVENT_GET_STATS && !err)
-					break;
-				err = iscsi_if_send_reply(
-					NETLINK_CREDS(skb)->pid, nlh->nlmsg_seq,
-					nlh->nlmsg_type, 0, 0, ev, sizeof(*ev));
-			} while (err < 0 && err != -ECONNREFUSED);
-			skb_pull(skb, rlen);
+		err = iscsi_if_recv_msg(skb, nlh);
+		if (err) {
+			ev->type = ISCSI_KEVENT_IF_ERROR;
+			ev->iferror = err;
 		}
-free_skb:
-		kfree_skb(skb);
+		do {
+			/*
+			 * special case for GET_STATS:
+			 * on success - sending reply and stats from
+			 * inside of if_recv_msg(),
+			 * on error - fall through.
+			 */
+			if (ev->type == ISCSI_UEVENT_GET_STATS && !err)
+				break;
+			err = iscsi_if_send_reply(
+				NETLINK_CREDS(skb)->pid, nlh->nlmsg_seq,
+				nlh->nlmsg_type, 0, 0, ev, sizeof(*ev));
+		} while (err < 0 && err != -ECONNREFUSED);
+		skb_pull(skb, rlen);
 	}
 	mutex_unlock(&rx_queue_mutex);
 }
@@ -1523,7 +1511,7 @@ static __init int iscsi_transport_init(void)
 	if (err)
 		goto unregister_conn_class;
 
-	nls = netlink_kernel_create(NETLINK_ISCSI, 1, iscsi_if_rx, NULL,
+	nls = netlink_kernel_create(&init_net, NETLINK_ISCSI, 1, iscsi_if_rx, NULL,
 			THIS_MODULE);
 	if (!nls) {
 		err = -ENOBUFS;