6d192a9b82
64bit kernels allow recovery to handle both versions and do the necessary decoding SGI-PV: 952214 SGI-Modid: xfs-linux-melb:xfs-kern:26011a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
181 lines
6.3 KiB
C
181 lines
6.3 KiB
C
/*
|
|
* Copyright (c) 2000,2005 Silicon Graphics, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms 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. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#ifndef __XFS_INODE_ITEM_H__
|
|
#define __XFS_INODE_ITEM_H__
|
|
|
|
/*
|
|
* This is the structure used to lay out an inode log item in the
|
|
* log. The size of the inline data/extents/b-tree root to be logged
|
|
* (if any) is indicated in the ilf_dsize field. Changes to this structure
|
|
* must be added on to the end.
|
|
*/
|
|
typedef struct xfs_inode_log_format {
|
|
unsigned short ilf_type; /* inode log item type */
|
|
unsigned short ilf_size; /* size of this item */
|
|
uint ilf_fields; /* flags for fields logged */
|
|
ushort ilf_asize; /* size of attr d/ext/root */
|
|
ushort ilf_dsize; /* size of data/ext/root */
|
|
xfs_ino_t ilf_ino; /* inode number */
|
|
union {
|
|
xfs_dev_t ilfu_rdev; /* rdev value for dev inode*/
|
|
uuid_t ilfu_uuid; /* mount point value */
|
|
} ilf_u;
|
|
__int64_t ilf_blkno; /* blkno of inode buffer */
|
|
int ilf_len; /* len of inode buffer */
|
|
int ilf_boffset; /* off of inode in buffer */
|
|
} xfs_inode_log_format_t;
|
|
|
|
typedef struct xfs_inode_log_format_32 {
|
|
unsigned short ilf_type; /* 16: inode log item type */
|
|
unsigned short ilf_size; /* 16: size of this item */
|
|
uint ilf_fields; /* 32: flags for fields logged */
|
|
ushort ilf_asize; /* 32: size of attr d/ext/root */
|
|
ushort ilf_dsize; /* 32: size of data/ext/root */
|
|
xfs_ino_t ilf_ino; /* 64: inode number */
|
|
union {
|
|
xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/
|
|
uuid_t ilfu_uuid; /* 128: mount point value */
|
|
} ilf_u;
|
|
__int64_t ilf_blkno; /* 64: blkno of inode buffer */
|
|
int ilf_len; /* 32: len of inode buffer */
|
|
int ilf_boffset; /* 32: off of inode in buffer */
|
|
} __attribute__((packed)) xfs_inode_log_format_32_t;
|
|
|
|
typedef struct xfs_inode_log_format_64 {
|
|
unsigned short ilf_type; /* 16: inode log item type */
|
|
unsigned short ilf_size; /* 16: size of this item */
|
|
uint ilf_fields; /* 32: flags for fields logged */
|
|
ushort ilf_asize; /* 32: size of attr d/ext/root */
|
|
ushort ilf_dsize; /* 32: size of data/ext/root */
|
|
__uint32_t ilf_pad; /* 32: pad for 64 bit boundary */
|
|
xfs_ino_t ilf_ino; /* 64: inode number */
|
|
union {
|
|
xfs_dev_t ilfu_rdev; /* 32: rdev value for dev inode*/
|
|
uuid_t ilfu_uuid; /* 128: mount point value */
|
|
} ilf_u;
|
|
__int64_t ilf_blkno; /* 64: blkno of inode buffer */
|
|
int ilf_len; /* 32: len of inode buffer */
|
|
int ilf_boffset; /* 32: off of inode in buffer */
|
|
} xfs_inode_log_format_64_t;
|
|
|
|
/*
|
|
* Flags for xfs_trans_log_inode flags field.
|
|
*/
|
|
#define XFS_ILOG_CORE 0x001 /* log standard inode fields */
|
|
#define XFS_ILOG_DDATA 0x002 /* log i_df.if_data */
|
|
#define XFS_ILOG_DEXT 0x004 /* log i_df.if_extents */
|
|
#define XFS_ILOG_DBROOT 0x008 /* log i_df.i_broot */
|
|
#define XFS_ILOG_DEV 0x010 /* log the dev field */
|
|
#define XFS_ILOG_UUID 0x020 /* log the uuid field */
|
|
#define XFS_ILOG_ADATA 0x040 /* log i_af.if_data */
|
|
#define XFS_ILOG_AEXT 0x080 /* log i_af.if_extents */
|
|
#define XFS_ILOG_ABROOT 0x100 /* log i_af.i_broot */
|
|
|
|
#define XFS_ILOG_NONCORE (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
|
|
XFS_ILOG_DBROOT | XFS_ILOG_DEV | \
|
|
XFS_ILOG_UUID | XFS_ILOG_ADATA | \
|
|
XFS_ILOG_AEXT | XFS_ILOG_ABROOT)
|
|
|
|
#define XFS_ILOG_DFORK (XFS_ILOG_DDATA | XFS_ILOG_DEXT | \
|
|
XFS_ILOG_DBROOT)
|
|
|
|
#define XFS_ILOG_AFORK (XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
|
|
XFS_ILOG_ABROOT)
|
|
|
|
#define XFS_ILOG_ALL (XFS_ILOG_CORE | XFS_ILOG_DDATA | \
|
|
XFS_ILOG_DEXT | XFS_ILOG_DBROOT | \
|
|
XFS_ILOG_DEV | XFS_ILOG_UUID | \
|
|
XFS_ILOG_ADATA | XFS_ILOG_AEXT | \
|
|
XFS_ILOG_ABROOT)
|
|
|
|
#define XFS_ILI_HOLD 0x1
|
|
#define XFS_ILI_IOLOCKED_EXCL 0x2
|
|
#define XFS_ILI_IOLOCKED_SHARED 0x4
|
|
|
|
#define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED)
|
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
struct xfs_buf;
|
|
struct xfs_bmbt_rec_64;
|
|
struct xfs_inode;
|
|
struct xfs_mount;
|
|
|
|
|
|
typedef struct xfs_inode_log_item {
|
|
xfs_log_item_t ili_item; /* common portion */
|
|
struct xfs_inode *ili_inode; /* inode ptr */
|
|
xfs_lsn_t ili_flush_lsn; /* lsn at last flush */
|
|
xfs_lsn_t ili_last_lsn; /* lsn at last transaction */
|
|
unsigned short ili_ilock_recur; /* lock recursion count */
|
|
unsigned short ili_iolock_recur; /* lock recursion count */
|
|
unsigned short ili_flags; /* misc flags */
|
|
unsigned short ili_logged; /* flushed logged data */
|
|
unsigned int ili_last_fields; /* fields when flushed */
|
|
struct xfs_bmbt_rec_64 *ili_extents_buf; /* array of logged
|
|
data exts */
|
|
struct xfs_bmbt_rec_64 *ili_aextents_buf; /* array of logged
|
|
attr exts */
|
|
unsigned int ili_pushbuf_flag; /* one bit used in push_ail */
|
|
|
|
#ifdef DEBUG
|
|
uint64_t ili_push_owner; /* one who sets pushbuf_flag
|
|
above gets to push the buf */
|
|
#endif
|
|
#ifdef XFS_TRANS_DEBUG
|
|
int ili_root_size;
|
|
char *ili_orig_root;
|
|
#endif
|
|
xfs_inode_log_format_t ili_format; /* logged structure */
|
|
} xfs_inode_log_item_t;
|
|
|
|
|
|
#define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w)
|
|
static inline int xfs_ilog_fdata(int w)
|
|
{
|
|
return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
|
|
}
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w)
|
|
static inline int xfs_ilog_fbroot(int w)
|
|
{
|
|
return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
|
|
}
|
|
|
|
#define XFS_ILOG_FEXT(w) xfs_ilog_fext(w)
|
|
static inline int xfs_ilog_fext(int w)
|
|
{
|
|
return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
|
|
}
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
|
|
extern void xfs_inode_item_destroy(struct xfs_inode *);
|
|
extern void xfs_iflush_done(struct xfs_buf *, xfs_inode_log_item_t *);
|
|
extern void xfs_istale_done(struct xfs_buf *, xfs_inode_log_item_t *);
|
|
extern void xfs_iflush_abort(struct xfs_inode *);
|
|
extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
|
|
xfs_inode_log_format_t *);
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* __XFS_INODE_ITEM_H__ */
|