14 files changed, 31 insertions, 0 deletions

diff --git a/fs/9p/conv.c b/fs/9p/conv.c
index 56d88c1a09c5..a3ed571eee31 100644
--- a/fs/9p/conv.c
+++ b/fs/9p/conv.c
@@ -27,6 +27,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/idr.h>
 #include <asm/uaccess.h>
 #include "debug.h"
diff --git a/fs/9p/fcall.c b/fs/9p/fcall.c
index 8556097fcda8..dc336a67592f 100644
--- a/fs/9p/fcall.c
+++ b/fs/9p/fcall.c
@@ -27,6 +27,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/idr.h>
 
 #include "debug.h"
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 70492ccb4385..27507201f9e7 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -23,6 +23,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/idr.h>
 
 #include "debug.h"
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 0f628041e3f7..0b96fae8b479 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/parser.h>
 #include <linux/idr.h>
 
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index e32d5971039b..905c882f4e2f 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -30,6 +30,7 @@
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/smp_lock.h>
+#include <linux/sched.h>
 #include <linux/inet.h>
 #include <linux/idr.h>
 
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index c3c47eda7574..79e6f9cd7340 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -26,6 +26,7 @@
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/file.h>
 #include <linux/stat.h>
 #include <linux/string.h>
diff --git a/fs/inotify.c b/fs/inotify.c
index 723836a1f718..f5099d86fd91 100644
--- a/fs/inotify.c
+++ b/fs/inotify.c
@@ -27,6 +27,7 @@
 #include <linux/idr.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/writeback.h>
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 0ae3cd10702c..73f0d60f73a5 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/fs.h>
+#include <linux/sched.h>
 #include <linux/time.h>
 #include <linux/crc32.h>
 #include <linux/jffs2.h>
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index b9b700730dfe..70707309dfa1 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -19,6 +19,7 @@
 #include <linux/crc32.h>
 #include <linux/mtd/nand.h>
 #include <linux/jiffies.h>
+#include <linux/sched.h>
 
 #include "nodelist.h"
 
diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
index 37db52488262..ed814b1ff4d9 100644
--- a/fs/jfs/ioctl.c
+++ b/fs/jfs/ioctl.c
@@ -9,6 +9,7 @@
 #include <linux/ctype.h>
 #include <linux/capability.h>
 #include <linux/time.h>
+#include <linux/sched.h>
 #include <asm/current.h>
 #include <asm/uaccess.h>
 
diff --git a/fs/proc/root.c b/fs/proc/root.c
index ffe66c38488b..64d242b6dcfa 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -13,6 +13,7 @@
 #include <linux/proc_fs.h>
 #include <linux/stat.h>
 #include <linux/init.h>
+#include <linux/sched.h>
 #include <linux/module.h>
 #include <linux/bitops.h>
 #include <linux/smp_lock.h>
diff --git a/fs/super.c b/fs/super.c
index 47e554c12e76..84c320f6ad7e 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -221,6 +221,24 @@ static int grab_super(struct super_block *s) __releases(sb_lock)
 }
 
 /*
+ * Superblock locking.  We really ought to get rid of these two.
+ */
+void lock_super(struct super_block * sb)
+{
+        get_fs_excl();
+        mutex_lock(&sb->s_lock);
+}
+
+void unlock_super(struct super_block * sb)
+{
+        put_fs_excl();
+        mutex_unlock(&sb->s_lock);
+}
+
+EXPORT_SYMBOL(lock_super);
+EXPORT_SYMBOL(unlock_super);
+
+/*
  * Write out and wait upon all dirty data associated with this
  * superblock.  Filesystem data as well as the underlying block
  * device.  Takes the superblock lock.  Requires a second blkdev
diff --git a/fs/sync.c b/fs/sync.c
index 1de747b5ddb9..865f32be386e 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -6,6 +6,7 @@
 #include <linux/file.h>
 #include <linux/fs.h>
 #include <linux/module.h>
+#include <linux/sched.h>
 #include <linux/writeback.h>
 #include <linux/syscalls.h>
 #include <linux/linkage.h>
diff --git a/fs/utimes.c b/fs/utimes.c
index 1bcd852fc4a9..99cf2cb11fec 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -2,6 +2,7 @@
 #include <linux/fs.h>
 #include <linux/linkage.h>
 #include <linux/namei.h>
+#include <linux/sched.h>
 #include <linux/utime.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>