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

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

CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	fabbione at sourceware.org	2008-01-30 06:57:41

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

Log message:
	Bugzilla 227892:
	
	* Warn people about the RG corruption and request a gfs_fsck
	* Upon error detection, perform a minimum error data collection
	
	Port forward patch from RHEL5 branch to HEAD.
	
	Original author: Wendy Cheng <wcheng@redhat.com>

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/gfs-kernel/src/gfs/rgrp.c.diff?cvsroot=cluster&r1=1.21&r2=1.22

--- cluster/gfs-kernel/src/gfs/rgrp.c	2007/06/19 21:26:11	1.21
+++ cluster/gfs-kernel/src/gfs/rgrp.c	2008/01/30 06:57:41	1.22
@@ -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]);