Date: Sun, 26 Jul 1998 19:12:31 -0500 From: Chris Radek <cradek@in221.inetnebr.com> To: freebsd-current@FreeBSD.ORG Cc: fluffy@int.tele.dk Subject: Re: ext2fs and sync panic, still Message-ID: <m0z0atz-000PTRC@hoser.inetnebr.com> In-Reply-To: Your message of "Sun, 26 Jul 1998 16:06:26 CDT." <m0z0Xzu-000PTPC@hoser.inetnebr.com>
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On Sun, 26 Jul 1998 16:06:26 CDT, Chris Radek writes:
> I have run into the problem where mounting an ext2fs r/w panics as
> soon as sync is called. r/o has no problems. This is from current
> as of a couple days ago.
Is it sane to reply to yourself? I hope so.
The problem is that ext2_sync is trying to sync vnodes of type VNON
(which have no associated inode and hence NULL v_data).
The following patch fixes the panic:
% diff -u ext2_vfsops.c.orig ext2_vfsops.c
--- ext2_vfsops.c.orig Sun Jul 26 19:48:29 1998
+++ ext2_vfsops.c Sun Jul 26 20:14:15 1998
@@ -854,6 +854,8 @@
goto loop;
if (VOP_ISLOCKED(vp))
continue;
+ if (vp->v_type == VNON)
+ continue;
ip = VTOI(vp);
if ((ip->i_flag &
(IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE)) == 0 &&
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