[Cluster-devel] cluster/gfs-kernel/src/gfs rgrp.c

[wcheng@sourceware.org <wcheng@sourceware.org>]

CVSROOT:	/cvs/cluster
Module name:	cluster
Branch: 	RHEL4
Changes by:	wcheng at sourceware.org	2008-01-02 19:17:09

Modified files:
	gfs-kernel/src/gfs: rgrp.c 

Log message:
	Bugzilla 227892:
	1. Warn people about the RG corruption and request a gfs_fsck
	2. Upon error detection, perform a minimum error data collection.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/rgrp.c.diff?cvsroot=cluster&only_with_tag=RHEL4&r1=1.14.2.4&r2=1.14.2.5

--- cluster/gfs-kernel/src/gfs/rgrp.c	2007/03/13 21:21:21	1.14.2.4
+++ cluster/gfs-kernel/src/gfs/rgrp.c	2008/01/02 19:17:09	1.14.2.5
@@ -1456,8 +1456,13 @@
 		goal = 0;
 	}
 
-	if (gfs_assert_withdraw(rgd->rd_sbd, x <= length))
-		blk = 0;
+	if (unlikely(x > length)) {
+		printk("GFS error: possible RG corruption\n");
+		printk("    please run gfs_fsck after withdraw\n");
+		dump_stack();
+		if (gfs_assert_withdraw(rgd->rd_sbd, x <= length))
+			blk = 0;
+	}
 
 	/* Attach bitmap buffer to trans, modify bits to do block alloc */
 	gfs_trans_add_bh(rgd->rd_gl, rgd->rd_bh[buf]);