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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_read_icluster() to get a buffer and dinode for a given inode.
*/
struct xfs_imap {
xfs_agblock_t im_agbno; /* starting agbno of inode cluster */
unsigned short im_boffset; /* offset in inode cluster in bytes */
} __packed;
int xfs_read_icluster(struct xfs_perag *pag, struct xfs_trans *tp,
xfs_agblock_t agbno, 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_dinode_verify_metadir(struct xfs_mount *mp,
struct xfs_dinode *dip, uint16_t mode, uint16_t flags,
uint64_t flags2);
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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