1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
81 lines
2.6 KiB
C
81 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of version 2 of the GNU General Public License as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it would be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* Further, this software is distributed without any warranty that it is
|
|
* free of the rightful claim of any third person regarding infringement
|
|
* or the like. Any license provided herein, whether implied or
|
|
* otherwise, applies only to this software file. Patent licenses, if
|
|
* any, provided herein do not apply to combinations of this program with
|
|
* other software, or any other product whatsoever.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write the Free Software Foundation, Inc., 59
|
|
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
|
|
*
|
|
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
|
|
* Mountain View, CA 94043, or:
|
|
*
|
|
* http://www.sgi.com
|
|
*
|
|
* For further information regarding this notice, see:
|
|
*
|
|
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
|
|
*/
|
|
#ifndef __XFS_LOG_RECOVER_H__
|
|
#define __XFS_LOG_RECOVER_H__
|
|
|
|
/*
|
|
* Macros, structures, prototypes for internal log manager use.
|
|
*/
|
|
|
|
#define XLOG_RHASH_BITS 4
|
|
#define XLOG_RHASH_SIZE 16
|
|
#define XLOG_RHASH_SHIFT 2
|
|
#define XLOG_RHASH(tid) \
|
|
((((__uint32_t)tid)>>XLOG_RHASH_SHIFT) & (XLOG_RHASH_SIZE-1))
|
|
|
|
#define XLOG_MAX_REGIONS_IN_ITEM (XFS_MAX_BLOCKSIZE / XFS_BLI_CHUNK / 2 + 1)
|
|
|
|
|
|
/*
|
|
* item headers are in ri_buf[0]. Additional buffers follow.
|
|
*/
|
|
typedef struct xlog_recover_item {
|
|
struct xlog_recover_item *ri_next;
|
|
struct xlog_recover_item *ri_prev;
|
|
int ri_type;
|
|
int ri_cnt; /* count of regions found */
|
|
int ri_total; /* total regions */
|
|
xfs_log_iovec_t *ri_buf; /* ptr to regions buffer */
|
|
} xlog_recover_item_t;
|
|
|
|
struct xlog_tid;
|
|
typedef struct xlog_recover {
|
|
struct xlog_recover *r_next;
|
|
xlog_tid_t r_log_tid; /* log's transaction id */
|
|
xfs_trans_header_t r_theader; /* trans header for partial */
|
|
int r_state; /* not needed */
|
|
xfs_lsn_t r_lsn; /* xact lsn */
|
|
xlog_recover_item_t *r_itemq; /* q for items */
|
|
} xlog_recover_t;
|
|
|
|
#define ITEM_TYPE(i) (*(ushort *)(i)->ri_buf[0].i_addr)
|
|
|
|
/*
|
|
* This is the number of entries in the l_buf_cancel_table used during
|
|
* recovery.
|
|
*/
|
|
#define XLOG_BC_TABLE_SIZE 64
|
|
|
|
#define XLOG_RECOVER_PASS1 1
|
|
#define XLOG_RECOVER_PASS2 2
|
|
|
|
#endif /* __XFS_LOG_RECOVER_H__ */
|