diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_buf.h')
-rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h new file mode 100644 index 0000000000..585ed5a110 --- /dev/null +++ b/fs/xfs/libxfs/xfs_inode_buf.h @@ -0,0 +1,54 @@ +// 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__ */ |