Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

Pull namespace bugfixes from Eric Biederman:
 "This is three simple fixes against 3.9-rc1.  I have tested each of
  these fixes and verified they work correctly.

  The userns oops in key_change_session_keyring and the BUG_ON triggered
  by proc_ns_follow_link were found by Dave Jones.

  I am including the enhancement for mount to only trigger requests of
  filesystem modules here instead of delaying this for the 3.10 merge
  window because it is both trivial and the kind of change that tends to
  bit-rot if left untouched for two months."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  proc: Use nd_jump_link in proc_ns_follow_link
  fs: Limit sys_mount to only request filesystem modules (Part 2).
  fs: Limit sys_mount to only request filesystem modules.
  userns: Stop oopsing in key_change_session_keyring
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 433f5e8..2eda284 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -619,6 +619,7 @@
 	.mount    = pfmfs_mount,
 	.kill_sb  = kill_anon_super,
 };
+MODULE_ALIAS_FS("pfmfs");
 
 DEFINE_PER_CPU(unsigned long, pfm_syst_info);
 DEFINE_PER_CPU(struct task_struct *, pmu_owner);
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 863184b..3f3bb4c 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -749,6 +749,7 @@
 	.mount = spufs_mount,
 	.kill_sb = kill_litter_super,
 };
+MODULE_ALIAS_FS("spufs");
 
 static int __init spufs_init(void)
 {
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 8538015..5f7d7ba 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -456,6 +456,7 @@
 	.mount		= hypfs_mount,
 	.kill_sb	= hypfs_kill_super
 };
+MODULE_ALIAS_FS("s390_hypfs");
 
 static const struct super_operations hypfs_s_ops = {
 	.statfs		= simple_statfs,
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index bea32d1..fe62aa3 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -1289,6 +1289,7 @@
 	.mount   = efivarfs_mount,
 	.kill_sb = efivarfs_kill_sb,
 };
+MODULE_ALIAS_FS("efivarfs");
 
 /*
  * Handle negative dentry.
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index a479375..e0c404b 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -410,6 +410,7 @@
 	.mount =	ipathfs_mount,
 	.kill_sb =	ipathfs_kill_super,
 };
+MODULE_ALIAS_FS("ipathfs");
 
 int __init ipath_init_ipathfs(void)
 {
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index 644bd6f..f247fc6e 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -604,6 +604,7 @@
 	.mount =        qibfs_mount,
 	.kill_sb =      qibfs_kill_super,
 };
+MODULE_ALIAS_FS("ipathfs");
 
 int __init qib_init_qibfs(void)
 {
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 6673e57..ce5b756 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -110,6 +110,7 @@
 	.mount          = ibmasmfs_mount,
 	.kill_sb        = kill_litter_super,
 };
+MODULE_ALIAS_FS("ibmasmfs");
 
 static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent)
 {
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 82c0616..92ab30a 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -1238,6 +1238,7 @@
        .mount = mtd_inodefs_mount,
        .kill_sb = kill_anon_super,
 };
+MODULE_ALIAS_FS("mtd_inodefs");
 
 static int __init init_mtdchar(void)
 {
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 445ffda..7c12d9c 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -276,6 +276,7 @@
 	.mount		= oprofilefs_mount,
 	.kill_sb	= kill_litter_super,
 };
+MODULE_ALIAS_FS("oprofilefs");
 
 
 int __init oprofilefs_register(void)
diff --git a/drivers/staging/ccg/f_fs.c b/drivers/staging/ccg/f_fs.c
index 8adc79d..f6373da 100644
--- a/drivers/staging/ccg/f_fs.c
+++ b/drivers/staging/ccg/f_fs.c
@@ -1223,6 +1223,7 @@
 	.mount		= ffs_fs_mount,
 	.kill_sb	= ffs_fs_kill_sb,
 };
+MODULE_ALIAS_FS("functionfs");
 
 
 /* Driver's main init/cleanup functions *************************************/
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 38388d7..c377ff8 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1235,6 +1235,7 @@
 	.mount		= ffs_fs_mount,
 	.kill_sb	= ffs_fs_kill_sb,
 };
+MODULE_ALIAS_FS("functionfs");
 
 
 /* Driver's main init/cleanup functions *************************************/
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 8ac840f..e2b2e9c 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -2105,6 +2105,7 @@
 	.mount		= gadgetfs_mount,
 	.kill_sb	= gadgetfs_kill_sb,
 };
+MODULE_ALIAS_FS("gadgetfs");
 
 /*----------------------------------------------------------------------*/
 
diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c
index ec0abb6..7167987 100644
--- a/drivers/xen/xenfs/super.c
+++ b/drivers/xen/xenfs/super.c
@@ -75,6 +75,7 @@
 	.mount =	xenfs_mount,
 	.kill_sb =	kill_litter_super,
 };
+MODULE_ALIAS_FS("xenfs");
 
 static int __init xenfs_init(void)
 {
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 91dad63..2756dcd 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -365,3 +365,4 @@
 	.owner = THIS_MODULE,
 	.fs_flags = FS_RENAME_DOES_D_MOVE,
 };
+MODULE_ALIAS_FS("9p");
diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index d571229..0ff4bae 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -524,6 +524,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("adfs");
 
 static int __init init_adfs_fs(void)
 {
diff --git a/fs/affs/super.c b/fs/affs/super.c
index b84dc73..45161a8 100644
--- a/fs/affs/super.c
+++ b/fs/affs/super.c
@@ -622,6 +622,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("affs");
 
 static int __init init_affs_fs(void)
 {
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 7c31ec3..c486155 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -45,6 +45,7 @@
 	.kill_sb	= afs_kill_super,
 	.fs_flags	= 0,
 };
+MODULE_ALIAS_FS("afs");
 
 static const struct super_operations afs_super_ops = {
 	.statfs		= afs_statfs,
diff --git a/fs/autofs4/init.c b/fs/autofs4/init.c
index cddc74b..b3db517 100644
--- a/fs/autofs4/init.c
+++ b/fs/autofs4/init.c
@@ -26,6 +26,7 @@
 	.mount		= autofs_mount,
 	.kill_sb	= autofs4_kill_sb,
 };
+MODULE_ALIAS_FS("autofs");
 
 static int __init init_autofs4_fs(void)
 {
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index c8f4e25..8615ee8 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -951,6 +951,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,	
 };
+MODULE_ALIAS_FS("befs");
 
 static int __init
 init_befs_fs(void)
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index 737aaa3..5e376bb 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -473,6 +473,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("bfs");
 
 static int __init init_bfs_fs(void)
 {
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index fecbbf3..751df5e 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -720,6 +720,7 @@
 	.mount		= bm_mount,
 	.kill_sb	= kill_litter_super,
 };
+MODULE_ALIAS_FS("binfmt_misc");
 
 static int __init init_misc_binfmt(void)
 {
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 68a29a1..f6b8859 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1558,6 +1558,7 @@
 	.kill_sb	= btrfs_kill_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("btrfs");
 
 /*
  * used by btrfsctl to scan devices when no FS is mounted
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 9fe17c6c..6ddc0bc 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -952,6 +952,7 @@
 	.kill_sb	= ceph_kill_sb,
 	.fs_flags	= FS_RENAME_DOES_D_MOVE,
 };
+MODULE_ALIAS_FS("ceph");
 
 #define _STRINGIFY(x) #x
 #define STRINGIFY(x) _STRINGIFY(x)
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index dada9d0..4dcc0d81 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -329,4 +329,5 @@
 	.kill_sb	= kill_anon_super,
 	.fs_flags	= FS_BINARY_MOUNTDATA,
 };
+MODULE_ALIAS_FS("coda");
 
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index aee0a7e..7f26c3c 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -114,6 +114,7 @@
 	.mount		= configfs_do_mount,
 	.kill_sb	= kill_litter_super,
 };
+MODULE_ALIAS_FS("configfs");
 
 struct dentry *configfs_pin_fs(void)
 {
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index 3ceb9ec..35b1c7b 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -573,6 +573,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("cramfs");
 
 static int __init init_cramfs_fs(void)
 {
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 0c4f80b..4888cb3 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -299,6 +299,7 @@
 	.mount =	debug_mount,
 	.kill_sb =	kill_litter_super,
 };
+MODULE_ALIAS_FS("debugfs");
 
 static struct dentry *__create_file(const char *name, umode_t mode,
 				    struct dentry *parent, void *data,
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index 4e0886c..e924cf4 100644
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -629,6 +629,7 @@
 	.kill_sb = ecryptfs_kill_block_super,
 	.fs_flags = 0
 };
+MODULE_ALIAS_FS("ecryptfs");
 
 /**
  * inode_info_init_once
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 2002431..c6f57a7 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -33,6 +33,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("efs");
 
 static struct pt_types sgi_pt_types[] = {
 	{0x00,		"SGI vh"},
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 5e59280..9d97633 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -1010,6 +1010,7 @@
 	.mount          = exofs_mount,
 	.kill_sb        = generic_shutdown_super,
 };
+MODULE_ALIAS_FS("exofs");
 
 static int __init init_exofs(void)
 {
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index 7f68c81..2885349 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1536,6 +1536,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("ext2");
 
 static int __init init_ext2_fs(void)
 {
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 5546ca2..1d6e2ed 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -3068,6 +3068,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("ext3");
 
 static int __init init_ext3_fs(void)
 {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 5e6c878..34e8552 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -90,6 +90,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("ext2");
 #define IS_EXT2_SB(sb) ((sb)->s_bdev->bd_holder == &ext2_fs_type)
 #else
 #define IS_EXT2_SB(sb) (0)
@@ -104,6 +105,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("ext3");
 #define IS_EXT3_SB(sb) ((sb)->s_bdev->bd_holder == &ext3_fs_type)
 #else
 #define IS_EXT3_SB(sb) (0)
@@ -5152,7 +5154,6 @@
 		return 0;
 	return 1;
 }
-MODULE_ALIAS("ext2");
 #else
 static inline void register_as_ext2(void) { }
 static inline void unregister_as_ext2(void) { }
@@ -5185,7 +5186,6 @@
 		return 0;
 	return 1;
 }
-MODULE_ALIAS("ext3");
 #else
 static inline void register_as_ext3(void) { }
 static inline void unregister_as_ext3(void) { }
@@ -5199,6 +5199,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("ext4");
 
 static int __init ext4_init_feat_adverts(void)
 {
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8c11764..fea6e58 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -687,6 +687,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("f2fs");
 
 static int __init init_inodecache(void)
 {
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index e2cfda9..081b759 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -668,6 +668,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("msdos");
 
 static int __init init_msdos_fs(void)
 {
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index ac959d6..2da9520 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -1073,6 +1073,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("vfat");
 
 static int __init init_vfat_fs(void)
 {
diff --git a/fs/filesystems.c b/fs/filesystems.c
index da165f6..92567d9 100644
--- a/fs/filesystems.c
+++ b/fs/filesystems.c
@@ -273,7 +273,7 @@
 	int len = dot ? dot - name : strlen(name);
 
 	fs = __get_fs_type(name, len);
-	if (!fs && (request_module("%.*s", len, name) == 0))
+	if (!fs && (request_module("fs-%.*s", len, name) == 0))
 		fs = __get_fs_type(name, len);
 
 	if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) {
diff --git a/fs/freevxfs/vxfs_super.c b/fs/freevxfs/vxfs_super.c
index fed2c8a..4550743 100644
--- a/fs/freevxfs/vxfs_super.c
+++ b/fs/freevxfs/vxfs_super.c
@@ -52,7 +52,6 @@
 MODULE_DESCRIPTION("Veritas Filesystem (VxFS) driver");
 MODULE_LICENSE("Dual BSD/GPL");
 
-MODULE_ALIAS("vxfs"); /* makes mount -t vxfs autoload the module */
 
 
 static void		vxfs_put_super(struct super_block *);
@@ -258,6 +257,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("vxfs"); /* makes mount -t vxfs autoload the module */
 
 static int __init
 vxfs_init(void)
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index b7978b9f..a0b0855 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -341,6 +341,7 @@
 	.mount		= fuse_ctl_mount,
 	.kill_sb	= fuse_ctl_kill_sb,
 };
+MODULE_ALIAS_FS("fusectl");
 
 int __init fuse_ctl_init(void)
 {
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index df00993..137185c 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -1117,6 +1117,7 @@
 	.mount		= fuse_mount,
 	.kill_sb	= fuse_kill_sb_anon,
 };
+MODULE_ALIAS_FS("fuse");
 
 #ifdef CONFIG_BLOCK
 static struct dentry *fuse_mount_blk(struct file_system_type *fs_type,
@@ -1146,6 +1147,7 @@
 	.kill_sb	= fuse_kill_sb_blk,
 	.fs_flags	= FS_REQUIRES_DEV | FS_HAS_SUBTYPE,
 };
+MODULE_ALIAS_FS("fuseblk");
 
 static inline int register_fuseblk(void)
 {
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 1b612be..60ede2a 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -20,6 +20,7 @@
 #include <linux/gfs2_ondisk.h>
 #include <linux/quotaops.h>
 #include <linux/lockdep.h>
+#include <linux/module.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -1425,6 +1426,7 @@
 	.kill_sb = gfs2_kill_sb,
 	.owner = THIS_MODULE,
 };
+MODULE_ALIAS_FS("gfs2");
 
 struct file_system_type gfs2meta_fs_type = {
 	.name = "gfs2meta",
@@ -1432,4 +1434,4 @@
 	.mount = gfs2_mount_meta,
 	.owner = THIS_MODULE,
 };
-
+MODULE_ALIAS_FS("gfs2meta");
diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index e93ddaa..bbaaa8a 100644
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -466,6 +466,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("hfs");
 
 static void hfs_init_once(void *p)
 {
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 974c26f..7b87284 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -654,6 +654,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("hfsplus");
 
 static void hfsplus_init_once(void *p)
 {
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index 74f5570..126d3c2 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -748,6 +748,7 @@
 	.kill_sb	= kill_anon_super,
 	.fs_flags 	= 0,
 };
+MODULE_ALIAS_FS("hppfs");
 
 static int __init init_hppfs(void)
 {
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 7f94e0c..84e3d85 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -896,6 +896,7 @@
 	.mount		= hugetlbfs_mount,
 	.kill_sb	= kill_litter_super,
 };
+MODULE_ALIAS_FS("hugetlbfs");
 
 static struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE];
 
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 67ce52507..a67f16e 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -1556,6 +1556,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("iso9660");
 
 static int __init init_iso9660_fs(void)
 {
@@ -1593,5 +1594,3 @@
 module_init(init_iso9660_fs)
 module_exit(exit_iso9660_fs)
 MODULE_LICENSE("GPL");
-/* Actual filesystem name is iso9660, as requested in filesystems.c */
-MODULE_ALIAS("iso9660");
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index d3d8799..0defb1c 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -356,6 +356,7 @@
 	.mount =	jffs2_mount,
 	.kill_sb =	jffs2_kill_sb,
 };
+MODULE_ALIAS_FS("jffs2");
 
 static int __init init_jffs2_fs(void)
 {
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 060ba63..2003e83 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -833,6 +833,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("jfs");
 
 static void init_once(void *foo)
 {
diff --git a/fs/logfs/super.c b/fs/logfs/super.c
index 345c24b..5436029 100644
--- a/fs/logfs/super.c
+++ b/fs/logfs/super.c
@@ -608,6 +608,7 @@
 	.fs_flags	= FS_REQUIRES_DEV,
 
 };
+MODULE_ALIAS_FS("logfs");
 
 static int __init logfs_init(void)
 {
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 99541cc..df12249 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -660,6 +660,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("minix");
 
 static int __init init_minix_fs(void)
 {
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 7dafd6899..26910c8 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -1051,6 +1051,7 @@
 	.kill_sb	= kill_anon_super,
 	.fs_flags	= FS_BINARY_MOUNTDATA,
 };
+MODULE_ALIAS_FS("ncpfs");
 
 static int __init init_ncp_fs(void)
 {
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 17b32b7..95cdcb2 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -294,6 +294,7 @@
 	.kill_sb	= nfs_kill_super,
 	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
+MODULE_ALIAS_FS("nfs");
 EXPORT_SYMBOL_GPL(nfs_fs_type);
 
 struct file_system_type nfs_xdev_fs_type = {
@@ -333,6 +334,7 @@
 	.kill_sb	= nfs_kill_super,
 	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
+MODULE_ALIAS_FS("nfs4");
 EXPORT_SYMBOL_GPL(nfs4_fs_type);
 
 static int __init register_nfs4_fs(void)
@@ -2717,6 +2719,5 @@
 MODULE_PARM_DESC(send_implementation_id,
 		"Send implementation ID with NFSv4.1 exchange_id");
 MODULE_PARM_DESC(nfs4_unique_id, "nfs_client_id4 uniquifier string");
-MODULE_ALIAS("nfs4");
 
 #endif /* CONFIG_NFS_V4 */
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 13a21c8..f33455b 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1090,6 +1090,7 @@
 	.mount		= nfsd_mount,
 	.kill_sb	= nfsd_umount,
 };
+MODULE_ALIAS_FS("nfsd");
 
 #ifdef CONFIG_PROC_FS
 static int create_proc_exports_entry(void)
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 3c991dc..c7d1f9f 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -1361,6 +1361,7 @@
 	.kill_sb  = kill_block_super,
 	.fs_flags = FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("nilfs2");
 
 static void nilfs_inode_init_once(void *obj)
 {
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 4a8289f8..82650d5 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -3079,6 +3079,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("ntfs");
 
 /* Stable names for the slab caches. */
 static const char ntfs_index_ctx_cache_name[] = "ntfs_index_ctx_cache";
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 4c5fc8d..12bafb7 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -640,6 +640,7 @@
 	.mount		= dlmfs_mount,
 	.kill_sb	= kill_litter_super,
 };
+MODULE_ALIAS_FS("ocfs2_dlmfs");
 
 static int __init init_dlmfs_fs(void)
 {
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 9b6910d..01b8516 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1266,6 +1266,7 @@
 	.fs_flags       = FS_REQUIRES_DEV|FS_RENAME_DOES_D_MOVE,
 	.next           = NULL
 };
+MODULE_ALIAS_FS("ocfs2");
 
 static int ocfs2_check_set_options(struct super_block *sb,
 				   struct mount_options *options)
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 25d715c..d8b0afde 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -572,6 +572,7 @@
 	.kill_sb = kill_block_super,
 	.fs_flags = FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("omfs");
 
 static int __init init_omfs_fs(void)
 {
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index ae47fa7..75885ff 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -432,6 +432,7 @@
 	.mount		= openprom_mount,
 	.kill_sb	= kill_anon_super,
 };
+MODULE_ALIAS_FS("openpromfs");
 
 static void op_inode_init_once(void *data)
 {
diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index b7a4719..66b51c0 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -118,7 +118,7 @@
 	struct super_block *sb = inode->i_sb;
 	struct proc_inode *ei = PROC_I(inode);
 	struct task_struct *task;
-	struct dentry *ns_dentry;
+	struct path ns_path;
 	void *error = ERR_PTR(-EACCES);
 
 	task = get_proc_task(inode);
@@ -128,14 +128,14 @@
 	if (!ptrace_may_access(task, PTRACE_MODE_READ))
 		goto out_put_task;
 
-	ns_dentry = proc_ns_get_dentry(sb, task, ei->ns_ops);
-	if (IS_ERR(ns_dentry)) {
-		error = ERR_CAST(ns_dentry);
+	ns_path.dentry = proc_ns_get_dentry(sb, task, ei->ns_ops);
+	if (IS_ERR(ns_path.dentry)) {
+		error = ERR_CAST(ns_path.dentry);
 		goto out_put_task;
 	}
 
-	dput(nd->path.dentry);
-	nd->path.dentry = ns_dentry;
+	ns_path.mnt = mntget(nd->path.mnt);
+	nd_jump_link(nd, &ns_path);
 	error = NULL;
 
 out_put_task:
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index 43098bb..2e8caa6 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -412,6 +412,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("qnx4");
 
 static int __init init_qnx4_fs(void)
 {
diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c
index 57199a5..8d941ed 100644
--- a/fs/qnx6/inode.c
+++ b/fs/qnx6/inode.c
@@ -672,6 +672,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("qnx6");
 
 static int __init init_qnx6_fs(void)
 {
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 418bdc3..194113b 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2434,6 +2434,7 @@
 	.kill_sb = reiserfs_kill_sb,
 	.fs_flags = FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("reiserfs");
 
 MODULE_DESCRIPTION("ReiserFS journaled filesystem");
 MODULE_AUTHOR("Hans Reiser <reiser@namesys.com>");
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index 7e8d3a8..15cbc41e 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -599,6 +599,7 @@
 	.kill_sb	= romfs_kill_sb,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("romfs");
 
 /*
  * inode storage initialiser
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index a38e87b..a39938b 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -545,6 +545,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("sysv");
 
 static struct file_system_type v7_fs_type = {
 	.owner		= THIS_MODULE,
@@ -553,6 +554,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("v7");
 
 static int __init init_sysv_fs(void)
 {
@@ -586,5 +588,4 @@
 
 module_init(init_sysv_fs)
 module_exit(exit_sysv_fs)
-MODULE_ALIAS("v7");
 MODULE_LICENSE("GPL");
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index ddc0f6a..ac838b8 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2174,6 +2174,7 @@
 	.mount   = ubifs_mount,
 	.kill_sb = kill_ubifs_super,
 };
+MODULE_ALIAS_FS("ubifs");
 
 /*
  * Inode slab cache constructor.
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index dc8e3a8..329f2f5 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1500,6 +1500,7 @@
 	.kill_sb	= kill_block_super,
 	.fs_flags	= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("ufs");
 
 static int __init init_ufs_fs(void)
 {
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index c407121..ea341ce 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1561,6 +1561,7 @@
 	.kill_sb		= kill_block_super,
 	.fs_flags		= FS_REQUIRES_DEV,
 };
+MODULE_ALIAS_FS("xfs");
 
 STATIC int __init
 xfs_init_zones(void)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 74a907b..2c28271 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1825,6 +1825,8 @@
 	struct lock_class_key i_mutex_dir_key;
 };
 
+#define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME)
+
 extern struct dentry *mount_ns(struct file_system_type *fs_type, int flags,
 	void *data, int (*fill_super)(struct super_block *, void *, int));
 extern struct dentry *mount_bdev(struct file_system_type *fs_type,
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 7b9b402..a0f48a5 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -1174,6 +1174,7 @@
 	.mount		= rpc_mount,
 	.kill_sb	= rpc_kill_sb,
 };
+MODULE_ALIAS_FS("rpc_pipefs");
 
 static void
 init_once(void *foo)
@@ -1218,6 +1219,3 @@
 	kmem_cache_destroy(rpc_inode_cachep);
 	unregister_filesystem(&rpc_pipe_fs_type);
 }
-
-/* Make 'mount -t rpc_pipefs ...' autoload this module. */
-MODULE_ALIAS("rpc_pipefs");
diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index 58dfe08..a571fad 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -839,7 +839,7 @@
 	new-> sgid	= old-> sgid;
 	new->fsgid	= old->fsgid;
 	new->user	= get_uid(old->user);
-	new->user_ns	= get_user_ns(new->user_ns);
+	new->user_ns	= get_user_ns(old->user_ns);
 	new->group_info	= get_group_info(old->group_info);
 
 	new->securebits	= old->securebits;