ntfs: drop vmtruncate

Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Reviewed-by: Anton Altaparmakov <anton@tuxera.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 1ecf464..5b2d4f0 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -1762,6 +1762,16 @@
 	return err;
 }
 
+static void ntfs_write_failed(struct address_space *mapping, loff_t to)
+{
+	struct inode *inode = mapping->host;
+
+	if (to > inode->i_size) {
+		truncate_pagecache(inode, to, inode->i_size);
+		ntfs_truncate_vfs(inode);
+	}
+}
+
 /**
  * ntfs_file_buffered_write -
  *
@@ -2022,8 +2032,9 @@
 				 * allocated space, which is not a disaster.
 				 */
 				i_size = i_size_read(vi);
-				if (pos + bytes > i_size)
-					vmtruncate(vi, i_size);
+				if (pos + bytes > i_size) {
+					ntfs_write_failed(mapping, pos + bytes);
+				}
 				break;
 			}
 		}
@@ -2227,7 +2238,6 @@
 
 const struct inode_operations ntfs_file_inode_ops = {
 #ifdef NTFS_RW
-	.truncate	= ntfs_truncate_vfs,
 	.setattr	= ntfs_setattr,
 #endif /* NTFS_RW */
 };