[PATCH] make filemap_sync static

From Christpoh Hellwig.

Make filemap_sync() static, and not exported to modules

include/linux/mm.h

@@ -504,7 +504,6 @@ extern unsigned long page_unuse(struct page *);
 extern void truncate_inode_pages(struct address_space *, loff_t);
 
 /* generic vm_area_ops exported for stackable file systems */
-extern int filemap_sync(struct vm_area_struct *, unsigned long,	size_t, unsigned int);
 extern struct page *filemap_nopage(struct vm_area_struct *, unsigned long, int);
 
 /* mm/page-writeback.c */

kernel/ksyms.c

@@ -326,7 +326,6 @@ EXPORT_SYMBOL(set_anon_super);
 EXPORT_SYMBOL(default_llseek);
 EXPORT_SYMBOL(dentry_open);
 EXPORT_SYMBOL(filemap_nopage);
-EXPORT_SYMBOL(filemap_sync);
 EXPORT_SYMBOL(filemap_fdatawrite);
 EXPORT_SYMBOL(filemap_fdatawait);
 EXPORT_SYMBOL(lock_page);

mm/msync.c

@@ -94,7 +94,7 @@ static inline int filemap_sync_pmd_range(pgd_t * pgd,
 	return error;
 }
 
-int filemap_sync(struct vm_area_struct * vma, unsigned long address,
+static int filemap_sync(struct vm_area_struct * vma, unsigned long address,
 	size_t size, unsigned int flags)
 {
 	pgd_t * dir;