86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2000-2003,2005 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_BUF_H__
|
|
#define __XFS_INODE_BUF_H__
|
|
|
|
struct xfs_inode;
|
|
struct xfs_dinode;
|
|
|
|
/*
|
|
* In memory representation of the XFS inode. This is held in the in-core struct
|
|
* xfs_inode and represents the current on disk values but the structure is not
|
|
* in on-disk format. That is, this structure is always translated to on-disk
|
|
* format specific structures at the appropriate time.
|
|
*/
|
|
struct xfs_icdinode {
|
|
__int8_t di_version; /* inode version */
|
|
__int8_t di_format; /* format of di_c data */
|
|
__uint16_t di_flushiter; /* incremented on flush */
|
|
__uint32_t di_uid; /* owner's user id */
|
|
__uint32_t di_gid; /* owner's group id */
|
|
__uint16_t di_projid_lo; /* lower part of owner's project id */
|
|
__uint16_t di_projid_hi; /* higher part of owner's project id */
|
|
xfs_fsize_t di_size; /* number of bytes in file */
|
|
xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */
|
|
xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
|
|
xfs_extnum_t di_nextents; /* number of extents in data fork */
|
|
xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
|
|
__uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
|
|
__int8_t di_aformat; /* format of attr fork's data */
|
|
__uint32_t di_dmevmask; /* DMIG event mask */
|
|
__uint16_t di_dmstate; /* DMIG state info */
|
|
__uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
|
|
|
|
__uint64_t di_flags2; /* more random flags */
|
|
__uint32_t di_cowextsize; /* basic cow extent size for file */
|
|
|
|
xfs_ictimestamp_t di_crtime; /* time created */
|
|
};
|
|
|
|
/*
|
|
* Inode location information. Stored in the inode and passed to
|
|
* xfs_imap_to_bp() to get a buffer and dinode for a given inode.
|
|
*/
|
|
struct xfs_imap {
|
|
xfs_daddr_t im_blkno; /* starting BB of inode chunk */
|
|
unsigned short im_len; /* length in BBs of inode chunk */
|
|
unsigned short im_boffset; /* inode offset in block in bytes */
|
|
};
|
|
|
|
int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *,
|
|
struct xfs_imap *, struct xfs_dinode **,
|
|
struct xfs_buf **, uint, uint);
|
|
int xfs_iread(struct xfs_mount *, struct xfs_trans *,
|
|
struct xfs_inode *, uint);
|
|
void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *);
|
|
void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to,
|
|
xfs_lsn_t lsn);
|
|
void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
|
|
void xfs_log_dinode_to_disk(struct xfs_log_dinode *from,
|
|
struct xfs_dinode *to);
|
|
|
|
bool xfs_dinode_good_version(struct xfs_mount *mp, __u8 version);
|
|
|
|
#if defined(DEBUG)
|
|
void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *);
|
|
#else
|
|
#define xfs_inobp_check(mp, bp)
|
|
#endif /* DEBUG */
|
|
|
|
#endif /* __XFS_INODE_BUF_H__ */
|