1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
 4 * All Rights Reserved.
 5 */
 6#ifndef	__XFS_INODE_BUF_H__
 7#define	__XFS_INODE_BUF_H__
 8
 9struct xfs_inode;
10struct xfs_dinode;
11
12/*
13 * Inode location information.  Stored in the inode and passed to
14 * xfs_imap_to_bp() to get a buffer and dinode for a given inode.
15 */
16struct xfs_imap {
17	xfs_daddr_t	im_blkno;	/* starting BB of inode chunk */
18	unsigned short	im_len;		/* length in BBs of inode chunk */
19	unsigned short	im_boffset;	/* inode offset in block in bytes */
20};
21
22int	xfs_imap_to_bp(struct xfs_mount *mp, struct xfs_trans *tp,
23		       struct xfs_imap *imap, struct xfs_buf **bpp);
24void	xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *);
25void	xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to,
26			  xfs_lsn_t lsn);
27int	xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
28
29xfs_failaddr_t xfs_dinode_verify(struct xfs_mount *mp, xfs_ino_t ino,
30			   struct xfs_dinode *dip);
31xfs_failaddr_t xfs_inode_validate_extsize(struct xfs_mount *mp,
32		uint32_t extsize, uint16_t mode, uint16_t flags);
33xfs_failaddr_t xfs_inode_validate_cowextsize(struct xfs_mount *mp,
34		uint32_t cowextsize, uint16_t mode, uint16_t flags,
35		uint64_t flags2);
36
37static inline uint64_t xfs_inode_encode_bigtime(struct timespec64 tv)
38{
39	return xfs_unix_to_bigtime(tv.tv_sec) * NSEC_PER_SEC + tv.tv_nsec;
40}
41
42struct timespec64 xfs_inode_from_disk_ts(struct xfs_dinode *dip,
43		const xfs_timestamp_t ts);
 
 
 
 
 
 
 
 
 
44
45#endif	/* __XFS_INODE_BUF_H__ */

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
 4 * All Rights Reserved.
 5 */
 6#ifndef	__XFS_INODE_BUF_H__
 7#define	__XFS_INODE_BUF_H__
 8
 9struct xfs_inode;
10struct xfs_dinode;
11
12/*
13 * Inode location information.  Stored in the inode and passed to
14 * xfs_imap_to_bp() to get a buffer and dinode for a given inode.
15 */
16struct xfs_imap {
17	xfs_daddr_t	im_blkno;	/* starting BB of inode chunk */
18	unsigned short	im_len;		/* length in BBs of inode chunk */
19	unsigned short	im_boffset;	/* inode offset in block in bytes */
20};
21
22int	xfs_imap_to_bp(struct xfs_mount *mp, struct xfs_trans *tp,
23		       struct xfs_imap *imap, struct xfs_buf **bpp);
24void	xfs_dinode_calc_crc(struct xfs_mount *mp, struct xfs_dinode *dip);
25void	xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to,
26			  xfs_lsn_t lsn);
27int	xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
28
29xfs_failaddr_t xfs_dinode_verify(struct xfs_mount *mp, xfs_ino_t ino,
30			   struct xfs_dinode *dip);
31xfs_failaddr_t xfs_inode_validate_extsize(struct xfs_mount *mp,
32		uint32_t extsize, uint16_t mode, uint16_t flags);
33xfs_failaddr_t xfs_inode_validate_cowextsize(struct xfs_mount *mp,
34		uint32_t cowextsize, uint16_t mode, uint16_t flags,
35		uint64_t flags2);
36
37static inline uint64_t xfs_inode_encode_bigtime(struct timespec64 tv)
38{
39	return xfs_unix_to_bigtime(tv.tv_sec) * NSEC_PER_SEC + tv.tv_nsec;
40}
41
42struct timespec64 xfs_inode_from_disk_ts(struct xfs_dinode *dip,
43		const xfs_timestamp_t ts);
44
45static inline bool
46xfs_dinode_good_version(struct xfs_mount *mp, uint8_t version)
47{
48	if (xfs_has_v3inodes(mp))
49		return version == 3;
50	return version == 1 || version == 2;
51}
52
53
54#endif	/* __XFS_INODE_BUF_H__ */