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1// SPDX-License-Identifier: GPL-2.02/*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 to14 * 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 bool46xfs_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__ */55