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37b3b4d6 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1d519883 DC |
2 | /* |
3 | * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc. | |
4 | * All Rights Reserved. | |
1d519883 DC |
5 | */ |
6 | #ifndef __XFS_INODE_BUF_H__ | |
7 | #define __XFS_INODE_BUF_H__ | |
8 | ||
9 | struct xfs_inode; | |
10 | struct xfs_dinode; | |
138659f1 DC |
11 | |
12 | /* | |
db17aebe DC |
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 | |
138659f1 DC |
16 | * format specific structures at the appropriate time. |
17 | */ | |
18 | struct xfs_icdinode { | |
4a492e72 DW |
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 | uint16_t di_projid_lo; /* lower part of owner's project id */ | |
25 | uint16_t di_projid_hi; /* higher part of owner's project id */ | |
138659f1 DC |
26 | xfs_fsize_t di_size; /* number of bytes in file */ |
27 | xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */ | |
28 | xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ | |
29 | xfs_extnum_t di_nextents; /* number of extents in data fork */ | |
30 | xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/ | |
4a492e72 DW |
31 | uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ |
32 | int8_t di_aformat; /* format of attr fork's data */ | |
33 | uint32_t di_dmevmask; /* DMIG event mask */ | |
34 | uint16_t di_dmstate; /* DMIG state info */ | |
35 | uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ | |
138659f1 | 36 | |
4a492e72 DW |
37 | uint64_t di_flags2; /* more random flags */ |
38 | uint32_t di_cowextsize; /* basic cow extent size for file */ | |
138659f1 | 39 | |
138659f1 | 40 | xfs_ictimestamp_t di_crtime; /* time created */ |
138659f1 | 41 | }; |
1d519883 DC |
42 | |
43 | /* | |
44 | * Inode location information. Stored in the inode and passed to | |
45 | * xfs_imap_to_bp() to get a buffer and dinode for a given inode. | |
46 | */ | |
47 | struct xfs_imap { | |
48 | xfs_daddr_t im_blkno; /* starting BB of inode chunk */ | |
919dbc78 TT |
49 | unsigned short im_len; /* length in BBs of inode chunk */ |
50 | unsigned short im_boffset; /* inode offset in block in bytes */ | |
1d519883 DC |
51 | }; |
52 | ||
9c6ebc42 DC |
53 | int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *, |
54 | struct xfs_imap *, struct xfs_dinode **, | |
55 | struct xfs_buf **, uint, uint); | |
56 | int xfs_iread(struct xfs_mount *, struct xfs_trans *, | |
57 | struct xfs_inode *, uint); | |
58 | void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *); | |
db17aebe DC |
59 | void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to, |
60 | xfs_lsn_t lsn); | |
1bc6cbe3 DC |
61 | void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from); |
62 | void xfs_log_dinode_to_disk(struct xfs_log_dinode *from, | |
63 | struct xfs_dinode *to); | |
1d519883 | 64 | |
307ae950 RW |
65 | bool xfs_dinode_good_version(struct xfs_mount *mp, __u8 version); |
66 | ||
1d519883 | 67 | #if defined(DEBUG) |
9c6ebc42 | 68 | void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); |
1d519883 DC |
69 | #else |
70 | #define xfs_inobp_check(mp, bp) | |
71 | #endif /* DEBUG */ | |
72 | ||
bc01119d DW |
73 | xfs_failaddr_t xfs_dinode_verify(struct xfs_mount *mp, xfs_ino_t ino, |
74 | struct xfs_dinode *dip); | |
fd0c360d DW |
75 | xfs_failaddr_t xfs_inode_validate_extsize(struct xfs_mount *mp, |
76 | uint32_t extsize, uint16_t mode, uint16_t flags); | |
77 | xfs_failaddr_t xfs_inode_validate_cowextsize(struct xfs_mount *mp, | |
78 | uint32_t cowextsize, uint16_t mode, uint16_t flags, | |
79 | uint64_t flags2); | |
50bb67d6 | 80 | |
1d519883 | 81 | #endif /* __XFS_INODE_BUF_H__ */ |