1 files changed, 3 insertions, 0 deletions

diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index 5b4fedf17cc4..64c03bdf06a5 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -136,6 +136,9 @@ extern unsigned long sysv_count_free_blocks(struct super_block *);
 
 /* itree.c */
 extern void sysv_truncate(struct inode *);
+extern int __sysv_write_begin(struct file *file, struct address_space *mapping,
+                        loff_t pos, unsigned len, unsigned flags,
+                        struct page **pagep, void **fsdata);
 
 /* inode.c */
 extern int sysv_write_inode(struct inode *, int);