trim fs/internal.h

some stuff in there can actually become static; some belongs to pnode.h
as it's a private interface between namespace.c and pnode.c...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 6 insertions, 1 deletions

diff --git a/fs/block_dev.c b/fs/block_dev.c
index b07f1da1de4e..4b322a58a513 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -493,7 +493,7 @@ static struct file_system_type bd_type = {
         .kill_sb        = kill_anon_super,
 };
 
-struct super_block *blockdev_superblock __read_mostly;
+static struct super_block *blockdev_superblock __read_mostly;
 
 void __init bdev_cache_init(void)
 {
@@ -639,6 +639,11 @@ static struct block_device *bd_acquire(struct inode *inode)
         return bdev;
 }
 
+static inline int sb_is_blkdev_sb(struct super_block *sb)
+{
+        return sb == blockdev_superblock;
+}
+
 /* Call when you free inode */
 
 void bd_forget(struct inode *inode)