missed comment updates from ->direct_IO() prototype change

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/9p/vfs_addr.c

@@ -231,7 +231,6 @@ static int v9fs_launder_page(struct page *page)
 /**
  * v9fs_direct_IO - 9P address space operation for direct I/O
  * @iocb: target I/O control block
- * @pos: offset in file to begin the operation
  *
  * The presence of v9fs_direct_IO() in the address space ops vector
  * allowes open() O_DIRECT flags which would have failed otherwise.

fs/nfs/direct.c

@@ -244,9 +244,7 @@ static int nfs_direct_cmp_commit_data_verf(struct nfs_direct_req *dreq,
 /**
  * nfs_direct_IO - NFS address space operation for direct I/O
  * @iocb: target I/O control block
- * @iov: array of vectors that define I/O buffer
- * @pos: offset in file to begin the operation
- * @nr_segs: size of iovec array
+ * @iter: I/O buffer
  *
  * The presence of this routine in the address space ops vector means
  * the NFS client supports direct I/O. However, for most direct IO, we