vfs: export vfs_dedupe_file_range_one() to modules

This is needed by the stacked dedupe implementation in overlayfs.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/fs/read_write.c b/fs/read_write.c
index cce4ebac34a8..39b4a21dd933 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -1964,9 +1964,8 @@ out_error:
 }
 EXPORT_SYMBOL(vfs_dedupe_file_range_compare);
 
-static int vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,
-				     struct file *dst_file, loff_t dst_pos,
-				     u64 len)
+int vfs_dedupe_file_range_one(struct file *src_file, loff_t src_pos,
+			      struct file *dst_file, loff_t dst_pos, u64 len)
 {
 	s64 ret;
 
@@ -2001,6 +2000,7 @@ out_drop_write:
 
 	return ret;
 }
+EXPORT_SYMBOL(vfs_dedupe_file_range_one);
 
 int vfs_dedupe_file_range(struct file *file, struct file_dedupe_range *same)
 {