xfs: pass current lsn to log recovery buffer validation

The current LSN must be available to the buffer validation function to
provide the ability to update the metadata LSN of the buffer. Pass the
current_lsn value down to xlog_recover_validate_buf_type() in
preparation.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

fs/xfs/xfs_log_recover.c

@@ -2360,7 +2360,8 @@ static void
 xlog_recover_validate_buf_type(
 	struct xfs_mount	*mp,
 	struct xfs_buf		*bp,
-	xfs_buf_log_format_t	*buf_f)
+	xfs_buf_log_format_t	*buf_f,
+	xfs_lsn_t		current_lsn)
 {
 	struct xfs_da_blkinfo	*info = bp->b_addr;
 	__uint32_t		magic32;
@@ -2569,7 +2570,8 @@ xlog_recover_do_reg_buffer(
 	struct xfs_mount	*mp,
 	xlog_recover_item_t	*item,
 	struct xfs_buf		*bp,
-	xfs_buf_log_format_t	*buf_f)
+	xfs_buf_log_format_t	*buf_f,
+	xfs_lsn_t		current_lsn)
 {
 	int			i;
 	int			bit;
@@ -2642,7 +2644,7 @@ xlog_recover_do_reg_buffer(
 	/* Shouldn't be any more regions */
 	ASSERT(i == item->ri_total);
 
-	xlog_recover_validate_buf_type(mp, bp, buf_f);
+	xlog_recover_validate_buf_type(mp, bp, buf_f, current_lsn);
 }
 
 /*
@@ -2685,7 +2687,7 @@ xlog_recover_do_dquot_buffer(
 	if (log->l_quotaoffs_flag & type)
 		return false;
 
-	xlog_recover_do_reg_buffer(mp, item, bp, buf_f);
+	xlog_recover_do_reg_buffer(mp, item, bp, buf_f, NULLCOMMITLSN);
 	return true;
 }
 
@@ -2773,7 +2775,7 @@ xlog_recover_buffer_pass2(
 	 */
 	lsn = xlog_recover_get_buf_lsn(mp, bp);
 	if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
-		xlog_recover_validate_buf_type(mp, bp, buf_f);
+		xlog_recover_validate_buf_type(mp, bp, buf_f, NULLCOMMITLSN);
 		goto out_release;
 	}
 
@@ -2789,7 +2791,7 @@ xlog_recover_buffer_pass2(
 		if (!dirty)
 			goto out_release;
 	} else {
-		xlog_recover_do_reg_buffer(mp, item, bp, buf_f);
+		xlog_recover_do_reg_buffer(mp, item, bp, buf_f, current_lsn);
 	}
 
 	/*