1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
6 #ifndef __XFS_INODE_BUF_H__
7 #define __XFS_INODE_BUF_H__
13 * In memory representation of the XFS inode. This is held in the in-core struct
14 * xfs_inode and represents the current on disk values but the structure is not
15 * in on-disk format. That is, this structure is always translated to on-disk
16 * format specific structures at the appropriate time.
19 int8_t di_version; /* inode version */
20 int8_t di_format; /* format of di_c data */
21 uint16_t di_flushiter; /* incremented on flush */
22 uint32_t di_uid; /* owner's user id */
23 uint32_t di_gid; /* owner's group id */
24 uint32_t di_projid; /* owner's project id */
25 xfs_fsize_t di_size; /* number of bytes in file */
26 xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */
27 xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
28 xfs_extnum_t di_nextents; /* number of extents in data fork */
29 xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
30 uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
31 int8_t di_aformat; /* format of attr fork's data */
32 uint32_t di_dmevmask; /* DMIG event mask */
33 uint16_t di_dmstate; /* DMIG state info */
34 uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
36 uint64_t di_flags2; /* more random flags */
37 uint32_t di_cowextsize; /* basic cow extent size for file */
39 struct timespec64 di_crtime; /* time created */
43 * Inode location information. Stored in the inode and passed to
44 * xfs_imap_to_bp() to get a buffer and dinode for a given inode.
47 xfs_daddr_t im_blkno; /* starting BB of inode chunk */
48 unsigned short im_len; /* length in BBs of inode chunk */
49 unsigned short im_boffset; /* inode offset in block in bytes */
52 int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *,
53 struct xfs_imap *, struct xfs_dinode **,
54 struct xfs_buf **, uint, uint);
55 int xfs_iread(struct xfs_mount *, struct xfs_trans *,
56 struct xfs_inode *, uint);
57 void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *);
58 void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to,
60 void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
61 void xfs_log_dinode_to_disk(struct xfs_log_dinode *from,
62 struct xfs_dinode *to);
64 bool xfs_dinode_good_version(struct xfs_mount *mp, __u8 version);
67 void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *);
69 #define xfs_inobp_check(mp, bp)
72 xfs_failaddr_t xfs_dinode_verify(struct xfs_mount *mp, xfs_ino_t ino,
73 struct xfs_dinode *dip);
74 xfs_failaddr_t xfs_inode_validate_extsize(struct xfs_mount *mp,
75 uint32_t extsize, uint16_t mode, uint16_t flags);
76 xfs_failaddr_t xfs_inode_validate_cowextsize(struct xfs_mount *mp,
77 uint32_t cowextsize, uint16_t mode, uint16_t flags,
80 #endif /* __XFS_INODE_BUF_H__ */