Fix build with 2.6.29.

Addresses these changes:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=30c40d2c01f68c7eb1a41ab3552bdaf5dbf300d4;hp=9a1c3542768b5a58e45a9216921cd10a3bae1205
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b189db5d299c6824780af5590564ff608adb3dea;hp=a20fd0a783551831bb6b9b69710e5bbb93dc2730
Lubomir Rintel <lkundrak@v3.sk>

Index: kernel/block-io.c
===================================================================
--- kernel/block-io.c	(revision 198)
+++ kernel/block-io.c	(working copy)
@@ -13,6 +13,7 @@
 #include <linux/blkdev.h>
 #include <linux/parser.h>
 #include <linux/buffer_head.h>
+#include <linux/version.h>
 
 #include "iscsi.h"
 #include "iscsi_dbg.h"
@@ -154,14 +155,22 @@
 {
 	struct blockio_data *bio_data = volume->private;
 	struct block_device *bdev;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
 	int flags = LUReadonly(volume) ? MS_RDONLY : 0;
+#else
+	fmode_t flags = LUReadonly(volume) ? FMODE_READ : (FMODE_READ | FMODE_WRITE);
+#endif
 	int err = 0;
 
 	bio_data->path = kstrdup(path, GFP_KERNEL);
 	if (!bio_data->path)
 		return -ENOMEM;
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
 	bdev = open_bdev_excl(path, flags, THIS_MODULE);
+#else
+	bdev = open_bdev_exclusive(path, flags, THIS_MODULE);
+#endif
 	if (IS_ERR(bdev)) {
 		err = PTR_ERR(bdev);
 		eprintk("Can't open device %s, error %d\n", path, err);
@@ -324,8 +333,17 @@
 {
 	struct blockio_data *bio_data = volume->private;
 
-	if (bio_data->bdev)
+	if (bio_data->bdev) {
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
 		close_bdev_excl(bio_data->bdev);
+#else
+		if (LUReadonly(volume)) {
+			close_bdev_exclusive(bio_data->bdev, FMODE_READ);
+		} else {
+			close_bdev_exclusive(bio_data->bdev, FMODE_READ|FMODE_WRITE);
+		}
+#endif
+	}
 	kfree(bio_data->path);
 
 	kfree(volume->private);
Index: kernel/conn.c
===================================================================
--- kernel/conn.c	(revision 198)
+++ kernel/conn.c	(working copy)
@@ -46,9 +46,13 @@
 				 "%u.%u.%u.%u", NIPQUAD(inet_sk(sk)->daddr));
 			break;
 		case AF_INET6:
+#ifdef NIP6
 			snprintf(buf, sizeof(buf),
 				 "[%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x]",
 				 NIP6(inet6_sk(sk)->daddr));
+#else
+			snprintf(buf, sizeof(buf), "[%p6]", &inet6_sk(sk)->daddr);
+#endif
 			break;
 		default:
 			break;