Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

* 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (165 commits)
  reiserfs: Properly display mount options in /proc/mounts
  vfs: prevent remount read-only if pending removes
  vfs: count unlinked inodes
  vfs: protect remounting superblock read-only
  vfs: keep list of mounts for each superblock
  vfs: switch ->show_options() to struct dentry *
  vfs: switch ->show_path() to struct dentry *
  vfs: switch ->show_devname() to struct dentry *
  vfs: switch ->show_stats to struct dentry *
  switch security_path_chmod() to struct path *
  vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb
  vfs: trim includes a bit
  switch mnt_namespace ->root to struct mount
  vfs: take /proc/*/mounts and friends to fs/proc_namespace.c
  vfs: opencode mntget() mnt_set_mountpoint()
  vfs: spread struct mount - remaining argument of next_mnt()
  vfs: move fsnotify junk to struct mount
  vfs: move mnt_devname
  vfs: move mnt_list to struct mount
  vfs: switch pnode.h macros to struct mount *
  ...

38 files changed, 6071 insertions, 6 deletions

diff --git a/block/Kconfig b/block/Kconfig
index e97934eececa..09acf1b39905 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -99,6 +99,12 @@ config BLK_DEV_THROTTLING
 
         See Documentation/cgroups/blkio-controller.txt for more information.
 
+menu "Partition Types"
+
+source "block/partitions/Kconfig"
+
+endmenu
+
 endif # BLOCK
 
 config BLOCK_COMPAT
diff --git a/block/Makefile b/block/Makefile
index 514c6e4f427a..39b76ba66ffd 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -5,7 +5,8 @@
 obj-$(CONFIG_BLOCK) := elevator.o blk-core.o blk-tag.o blk-sysfs.o \
                         blk-flush.o blk-settings.o blk-ioc.o blk-map.o \
                         blk-exec.o blk-merge.o blk-softirq.o blk-timeout.o \
-                        blk-iopoll.o blk-lib.o ioctl.o genhd.o scsi_ioctl.o
+                        blk-iopoll.o blk-lib.o ioctl.o genhd.o scsi_ioctl.o \
+                        partition-generic.o partitions/
 
 obj-$(CONFIG_BLK_DEV_BSG)       += bsg.o
 obj-$(CONFIG_BLK_DEV_BSGLIB)    += bsg-lib.o
diff --git a/block/bsg.c b/block/bsg.c
index 702f1316bb8f..9651ec7b87c2 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -1070,7 +1070,7 @@ EXPORT_SYMBOL_GPL(bsg_register_queue);
 
 static struct cdev bsg_cdev;
 
-static char *bsg_devnode(struct device *dev, mode_t *mode)
+static char *bsg_devnode(struct device *dev, umode_t *mode)
 {
         return kasprintf(GFP_KERNEL, "bsg/%s", dev_name(dev));
 }
diff --git a/block/genhd.c b/block/genhd.c
index 02e9fca80825..83e7c04015e1 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -15,7 +15,6 @@
 #include <linux/slab.h>
 #include <linux/kmod.h>
 #include <linux/kobj_map.h>
-#include <linux/buffer_head.h>
 #include <linux/mutex.h>
 #include <linux/idr.h>
 #include <linux/log2.h>
@@ -507,7 +506,7 @@ static int exact_lock(dev_t devt, void *data)
         return 0;
 }
 
-void register_disk(struct gendisk *disk)
+static void register_disk(struct gendisk *disk)
 {
         struct device *ddev = disk_to_dev(disk);
         struct block_device *bdev;
@@ -1109,7 +1108,7 @@ struct class block_class = {
         .name           = "block",
 };
 
-static char *block_devnode(struct device *dev, mode_t *mode)
+static char *block_devnode(struct device *dev, umode_t *mode)
 {
         struct gendisk *disk = dev_to_disk(dev);
 
diff --git a/block/ioctl.c b/block/ioctl.c
index d510c2a4eff8..4828fa349813 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -5,7 +5,7 @@
 #include <linux/blkpg.h>
 #include <linux/hdreg.h>
 #include <linux/backing-dev.h>
-#include <linux/buffer_head.h>
+#include <linux/fs.h>
 #include <linux/blktrace_api.h>
 #include <asm/uaccess.h>
 
diff --git a/block/partition-generic.c b/block/partition-generic.c
new file mode 100644
index 000000000000..d06ec1c829c2
--- /dev/null
+++ b/block/partition-generic.c
@@ -0,0 +1,537 @@
+/*
+ *  Code extracted from drivers/block/genhd.c
+ *  Copyright (C) 1991-1998  Linus Torvalds
+ *  Re-organised Feb 1998 Russell King
+ *
+ *  We now have independent partition support from the
+ *  block drivers, which allows all the partition code to
+ *  be grouped in one location, and it to be mostly self
+ *  contained.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/kmod.h>
+#include <linux/ctype.h>
+#include <linux/genhd.h>
+#include <linux/blktrace_api.h>
+
+#include "partitions/check.h"
+
+#ifdef CONFIG_BLK_DEV_MD
+extern void md_autodetect_dev(dev_t dev);
+#endif
+ 
+/*
+ * disk_name() is used by partition check code and the genhd driver.
+ * It formats the devicename of the indicated disk into
+ * the supplied buffer (of size at least 32), and returns
+ * a pointer to that same buffer (for convenience).
+ */
+
+char *disk_name(struct gendisk *hd, int partno, char *buf)
+{
+        if (!partno)
+                snprintf(buf, BDEVNAME_SIZE, "%s", hd->disk_name);
+        else if (isdigit(hd->disk_name[strlen(hd->disk_name)-1]))
+                snprintf(buf, BDEVNAME_SIZE, "%sp%d", hd->disk_name, partno);
+        else
+                snprintf(buf, BDEVNAME_SIZE, "%s%d", hd->disk_name, partno);
+
+        return buf;
+}
+
+const char *bdevname(struct block_device *bdev, char *buf)