Mark the pipe file operations static

They aren't used (nor even really usable) outside of pipe.c anyway

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/pipe.c b/fs/pipe.c
index d722579..8aada8e 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -605,7 +605,7 @@
 	.fasync		= pipe_rdwr_fasync,
 };
 
-struct file_operations read_pipe_fops = {
+static struct file_operations read_pipe_fops = {
 	.llseek		= no_llseek,
 	.read		= pipe_read,
 	.readv		= pipe_readv,
@@ -617,7 +617,7 @@
 	.fasync		= pipe_read_fasync,
 };
 
-struct file_operations write_pipe_fops = {
+static struct file_operations write_pipe_fops = {
 	.llseek		= no_llseek,
 	.read		= bad_pipe_r,
 	.write		= pipe_write,
@@ -629,7 +629,7 @@
 	.fasync		= pipe_write_fasync,
 };
 
-struct file_operations rdwr_pipe_fops = {
+static struct file_operations rdwr_pipe_fops = {
 	.llseek		= no_llseek,
 	.read		= pipe_read,
 	.readv		= pipe_readv,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e059da9..0cc34b1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1418,9 +1418,6 @@
 extern struct file_operations read_fifo_fops;
 extern struct file_operations write_fifo_fops;
 extern struct file_operations rdwr_fifo_fops;
-extern struct file_operations read_pipe_fops;
-extern struct file_operations write_pipe_fops;
-extern struct file_operations rdwr_pipe_fops;
 
 extern int fs_may_remount_ro(struct super_block *);