xfs: remove the alloc_done argument to xfs_dialloc

We can simplify check the IO_agbp pointer for being non-NULL instead of
passing another argument through two layers of function calls.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index d48e406..5c10825 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -887,7 +887,6 @@
 	prid_t		prid,
 	int		okalloc,
 	xfs_buf_t	**ialloc_context,
-	boolean_t	*call_again,
 	xfs_inode_t	**ipp)
 {
 	xfs_ino_t	ino;
@@ -902,10 +901,10 @@
 	 * the on-disk inode to be allocated.
 	 */
 	error = xfs_dialloc(tp, pip ? pip->i_ino : 0, mode, okalloc,
-			    ialloc_context, call_again, &ino);
+			    ialloc_context, &ino);
 	if (error)
 		return error;
-	if (*call_again || ino == NULLFSINO) {
+	if (*ialloc_context || ino == NULLFSINO) {
 		*ipp = NULL;
 		return 0;
 	}