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 9 struct xfs_inode; 10 struct 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 */ 16 struct 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 22 int xfs_imap_to_bp(struct xfs_mount *mp, struct xfs_trans *tp, 23 struct xfs_imap *imap, struct xfs_buf **bpp); 24 void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *); 25 void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to, 26 xfs_lsn_t lsn); 27 int xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from); 28 29 xfs_failaddr_t xfs_dinode_verify(struct xfs_mount *mp, xfs_ino_t ino, 30 struct xfs_dinode *dip); 31 xfs_failaddr_t xfs_inode_validate_extsize(struct xfs_mount *mp, 32 uint32_t extsize, uint16_t mode, uint16_t flags); 33 xfs_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 37 static 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 42 struct timespec64 xfs_inode_from_disk_ts(struct xfs_dinode *dip, 43 const xfs_timestamp_t ts); 44 45 #endif /* __XFS_INODE_BUF_H__ */ 46