xfs: remove the unused return value from xfs_log_unmount_write

Remove the ignored return value from xfs_log_unmount_write, and also
remove a rather pointless assert on the return value from xfs_log_force.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/xfs_log.c

@@ -953,8 +953,7 @@ xfs_log_write_unmount_record(
  * currently architecture converted and "Unmount" is a bit foo.
  * As far as I know, there weren't any dependencies on the old behaviour.
  */
-
-static int
+static void
 xfs_log_unmount_write(xfs_mount_t *mp)
 {
 	struct xlog	 *log = mp->m_log;
@@ -962,7 +961,6 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 #ifdef DEBUG
 	xlog_in_core_t	 *first_iclog;
 #endif
-	int		 error;
 
 	/*
 	 * Don't write out unmount record on norecovery mounts or ro devices.
@@ -971,11 +969,10 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 	if (mp->m_flags & XFS_MOUNT_NORECOVERY ||
 	    xfs_readonly_buftarg(log->l_targ)) {
 		ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);
-		return 0;
+		return;
 	}
 
-	error = xfs_log_force(mp, XFS_LOG_SYNC);
-	ASSERT(error || !(XLOG_FORCED_SHUTDOWN(log)));
+	xfs_log_force(mp, XFS_LOG_SYNC);
 
 #ifdef DEBUG
 	first_iclog = iclog = log->l_iclog;
@@ -1007,7 +1004,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 		iclog = log->l_iclog;
 		atomic_inc(&iclog->ic_refcnt);
 		xlog_state_want_sync(log, iclog);
-		error =  xlog_state_release_iclog(log, iclog);
+		xlog_state_release_iclog(log, iclog);
 		switch (iclog->ic_state) {
 		case XLOG_STATE_ACTIVE:
 		case XLOG_STATE_DIRTY:
@@ -1019,9 +1016,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 			break;
 		}
 	}
-
-	return error;
-}	/* xfs_log_unmount_write */
+}
 
 /*
  * Empty the log for unmount/freeze.