ntfs: drop vmtruncate

Removed vmtruncate

Signed-off-by: Marco Stornelli <[e-mail]>
Reviewed-by: Anton Altaparmakov <[e-mail]>
Signed-off-by: Al Viro <[e-mail]>

fs/ntfs/file.c

···
 	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 -
  *
···
 				 * 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;
 			}
 		}
···
 
 const struct inode_operations ntfs_file_inode_ops = {
 #ifdef NTFS_RW
-	.truncate	= ntfs_truncate_vfs,
 	.setattr	= ntfs_setattr,
 #endif /* NTFS_RW */
 };

fs/ntfs/inode.c

···
  *
  * See ntfs_truncate() description above for details.
  */
+#ifdef NTFS_RW
 void ntfs_truncate_vfs(struct inode *vi) {
 	ntfs_truncate(vi);
 }
+#endif
 
 /**
  * ntfs_setattr - called from notify_change() when an attribute is being changed
···
 						NInoCompressed(ni) ?
 						"compressed" : "encrypted");
 				err = -EOPNOTSUPP;
-			} else
-				err = vmtruncate(vi, attr->ia_size);
+			} else {
+				truncate_setsize(vi, attr->ia_size);
+				ntfs_truncate_vfs(vi);
+			}
 			if (err || ia_valid == ATTR_SIZE)
 				goto out;
 		} else {

fs/ntfs/inode.h

···
 	return;
 }
 
+#else
+
+static inline void ntfs_truncate_vfs(struct inode *vi) {}
+
 #endif /* NTFS_RW */
 
 #endif /* _LINUX_NTFS_INODE_H */