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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;
- /*
- * 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 *mp, struct xfs_trans *tp,
- struct xfs_imap *imap, struct xfs_buf **bpp);
- void xfs_dinode_calc_crc(struct xfs_mount *mp, struct xfs_dinode *dip);
- void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to,
- xfs_lsn_t lsn);
- int xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
- 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);
- static inline uint64_t xfs_inode_encode_bigtime(struct timespec64 tv)
- {
- return xfs_unix_to_bigtime(tv.tv_sec) * NSEC_PER_SEC + tv.tv_nsec;
- }
- struct timespec64 xfs_inode_from_disk_ts(struct xfs_dinode *dip,
- const xfs_timestamp_t ts);
- static inline bool
- xfs_dinode_good_version(struct xfs_mount *mp, uint8_t version)
- {
- if (xfs_has_v3inodes(mp))
- return version == 3;
- return version == 1 || version == 2;
- }
- #endif /* __XFS_INODE_BUF_H__ */
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