ia64/xen-unstable

view tools/libfsimage/zfs/zfs-include/zil.h @ 19648:f0e2df69a8eb

x86 hvm: Allow cross-vendor migration

Intercept #UD and emulate SYSCALL/SYSENTER/SYSEXIT as necessary.

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Tue May 26 15:01:36 2009 +0100 (2009-05-26)
parents 64f790e90d3d
children
line source
1 /*
2 * GRUB -- GRand Unified Bootloader
3 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19 /*
20 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
21 * Use is subject to license terms.
22 */
24 #ifndef _SYS_ZIL_H
25 #define _SYS_ZIL_H
27 /*
28 * Intent log format:
29 *
30 * Each objset has its own intent log. The log header (zil_header_t)
31 * for objset N's intent log is kept in the Nth object of the SPA's
32 * intent_log objset. The log header points to a chain of log blocks,
33 * each of which contains log records (i.e., transactions) followed by
34 * a log block trailer (zil_trailer_t). The format of a log record
35 * depends on the record (or transaction) type, but all records begin
36 * with a common structure that defines the type, length, and txg.
37 */
39 /*
40 * Intent log header - this on disk structure holds fields to manage
41 * the log. All fields are 64 bit to easily handle cross architectures.
42 */
43 typedef struct zil_header {
44 uint64_t zh_claim_txg; /* txg in which log blocks were claimed */
45 uint64_t zh_replay_seq; /* highest replayed sequence number */
46 blkptr_t zh_log; /* log chain */
47 uint64_t zh_claim_seq; /* highest claimed sequence number */
48 uint64_t zh_pad[5];
49 } zil_header_t;
51 #endif /* _SYS_ZIL_H */