diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index d5bee928603acb..95685b4aac48ee 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1011,7 +1011,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter,
 			 * may block.
 			 */
 			truncate_inode_pages_range(inode->i_mapping, pos,
-					(pos+len) | (PAGE_SIZE - 1));
+						   PAGE_ALIGN(pos + len) - 1);
 
 			req->r_mtime = mtime;
 		}