[Ocfs2-devel] Patches to fix the OCFS2 bug 54, which cause crashin the second mount under kernel 2.6.

[Ling, Xiaofeng]

On 2.6.3 kernel, there are compiling errors.=20
After resolve it, the mount and remount is ok. But run the basic test, =
the system will still hang.see bug 58.

Index: inode.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- inode.c	(revision 857)
+++ inode.c	(working copy)
@@ -320,6 +320,7 @@
 	__u64 voteoff;
 	ocfs_file_entry *fe =3D NULL;
 	struct buffer_head *bh =3D NULL;
+	int status;
=20
 	LOG_ENTRY_ARGS ("(%p, %p)\n", inode, args);
=20

> -----Original Message-----
> From: Ling, Xiaofeng=20
> Sent: 2004=C4=EA4=D4=C220=C8=D5 12:21
> To: 'Mark Fasheh'; Zhang, Sonic
> Cc: Ocfs2-Devel
> Subject: RE: [Ocfs2-devel] Patches to fix the OCFS2 bug 54,=20
> which cause crashin the second mount under kernel 2.6.
>=20
>=20
> I check out the newest, and test on kernel.2.4.20, it oops.
> step:
> mkfs.ocfs2 -L ocfs -m /ocfs -b 4 /dev/hda4
> load_ocfs2
> mount /dev/hda4 /ocfs -t ocfs2
>=20
> Oracle Cluster FileSystem 1.9.93-BETA4 Wed Apr 21 11:38:20=20
> CST 2004 (build c17df377bd4e7908fd011136b15b0d27)
> ocfs2: hostname is xling
> Unable to handle kernel paging request at virtual address=20
> 00001b59  printing eip: e08c8d43 *pde =3D 00000000
> Oops: 0000
> CPU:    0
> EIP:    0010:[<e08c8d43>]    Not tainted
> EFLAGS: 00010212
> eax: 00000000   ebx: dd2dbc74   ecx: 0000001f   edx: 00000000
> esi: 00001b59   edi: dd2dbc75   ebp: dd2dbc00   esp: dcd8fc58
> ds: 0018   es: 0018   ss: 0018
> Process mount (pid: 1646, stackpage=3Ddcd8f000)
> Stack: 00000246 dce2de60 00000000 00000000 00000200 dd2dbe00=20
> dd2dbc00 e08c80b4=20
>        dd2dbc00 000001f0 00001000 00000000 0000dc00 00000000=20
> dd4b0000 00000000=20
>        dd4b0000 dce2ddf0 dd4b0000 e08ca033 dd4b0000 0000dc00=20
> 00000000 00000000=20
> Call Trace:    [<e08c80b4>] [<e08ca033>] [<e08b50a2>]=20
> [<c012ea05>] [<e08bde9a>]
>   [<e08bb4ee>] [<e08bb8a5>] [<c013a50b>] [<c0139c4c>]=20
> [<e08dba04>] [<c013a861>]
>   [<e08dba04>] [<c014cbb3>] [<c014cee0>] [<c014cd29>]=20
> [<c014d301>] [<c010741f>]
>=20
> Code: ac aa 84 c0 75 f7 f3 aa 83 05 e8 83 8f e0 01 83 15 ec 83 8f=20
> =20
> > -----Original Message-----
> > From: ocfs2-devel-bounces at oss.oracle.com
> > [mailto:ocfs2-devel-bounces at oss.oracle.com] On Behalf Of Mark Fasheh
> > Sent: 2004=C4=EA4=D4=C220=C8=D5 1:56
> > To: Zhang, Sonic
> > Cc: Ocfs2-Devel
> > Subject: Re: [Ocfs2-devel] Patches to fix the OCFS2 bug 54,=20
> > which cause crashin the second mount under kernel 2.6.
> >=20
> >=20
> > On Fri, Apr 16, 2004 at 03:40:58PM +0800, Zhang, Sonic wrote:
> > > Hi Mark,
> > >=20
> > > 	I attach a new patch for ocfs based on your suggestion to walk
> > > 	around the bug in JBD before it is fixed in kernel.
> > Alright Sonic, this has been committed. Thanks for catching
> > the #if case. I re-added my comment which you removed :)
> > 	--Mark
> >=20
> > --
> > Mark Fasheh
> > Software Developer, Oracle Corp
> > mark.fasheh at oracle.com=20
> _______________________________________________
> > Ocfs2-devel mailing list
> > Ocfs2-devel at oss.oracle.com
> > http://oss.oracle.com/mailman/listinfo/ocfs2-devel
> >=20
>=20