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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- */
- #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 */
- xfs_failaddr_t xfs_dinode_verify(struct xfs_mount *mp, xfs_ino_t ino,
- struct xfs_dinode *dip);
- xfs_failaddr_t xfs_inode_validate_extsize(struct xfs_mount *mp,
- uint32_t extsize, uint16_t mode, uint16_t flags);
- xfs_failaddr_t xfs_inode_validate_cowextsize(struct xfs_mount *mp,
- uint32_t cowextsize, uint16_t mode, uint16_t flags,
- uint64_t flags2);
- #endif /* __XFS_INODE_BUF_H__ */
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