// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2000-2005 Silicon Graphics, Inc. * All Rights Reserved. */ #ifndef __XFS_TYPES_H__ #define __XFS_TYPES_H__ prid_t; /* project ID */ xfs_agblock_t; /* blockno in alloc. group */ xfs_agino_t; /* inode # within allocation grp */ xfs_extlen_t; /* extent length in blocks */ xfs_rtxlen_t; /* file extent length in rtextents */ xfs_agnumber_t; /* allocation group number */ xfs_extnum_t; /* # of extents in a file */ xfs_aextnum_t; /* # extents in an attribute fork */ xfs_fsize_t; /* bytes in a file */ xfs_ufsize_t; /* unsigned bytes in a file */ xfs_suminfo_t; /* type of bitmap summary info */ xfs_rtsumoff_t; /* offset of an rtsummary info word */ xfs_rtword_t; /* word type for bitmap manipulations */ xfs_lsn_t; /* log sequence number */ xfs_csn_t; /* CIL sequence number */ xfs_dablk_t; /* dir/attr block number (in file) */ xfs_dahash_t; /* dir/attr hash value */ xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ xfs_rfsblock_t; /* blockno in filesystem (raw) */ xfs_rtblock_t; /* extent (block) in realtime area */ xfs_fileoff_t; /* block number in a file */ xfs_filblks_t; /* number of blocks in a file */ xfs_rtxnum_t; /* rtextent number */ xfs_rtbxlen_t; /* rtbitmap extent length in rtextents */ xfs_srtblock_t; /* signed version of xfs_rtblock_t */ /* * New verifiers will return the instruction address of the failing check. * NULL means everything is ok. */ xfs_failaddr_t; /* * Null values for the types. */ #define NULLFSBLOCK … #define NULLRFSBLOCK … #define NULLRTBLOCK … #define NULLFILEOFF … #define NULLAGBLOCK … #define NULLAGNUMBER … #define NULLCOMMITLSN … #define NULLFSINO … #define NULLAGINO … /* * Minimum and maximum blocksize and sectorsize. * The blocksize upper limit is pretty much arbitrary. * The sectorsize upper limit is due to sizeof(sb_sectsize). * CRC enable filesystems use 512 byte inodes, meaning 512 byte block sizes * cannot be used. */ #define XFS_MIN_BLOCKSIZE_LOG … #define XFS_MAX_BLOCKSIZE_LOG … #define XFS_MIN_BLOCKSIZE … #define XFS_MAX_BLOCKSIZE … #define XFS_MIN_CRC_BLOCKSIZE … #define XFS_MIN_SECTORSIZE_LOG … #define XFS_MAX_SECTORSIZE_LOG … #define XFS_MIN_SECTORSIZE … #define XFS_MAX_SECTORSIZE … /* * Inode fork identifiers. */ #define XFS_STAGING_FORK … #define XFS_DATA_FORK … #define XFS_ATTR_FORK … #define XFS_COW_FORK … #define XFS_WHICHFORK_STRINGS … /* * Min numbers of data/attr fork btree root pointers. */ #define MINDBTPTRS … #define MINABTPTRS … /* * MAXNAMELEN is the length (including the terminating null) of * the longest permissible file (component) name. */ #define MAXNAMELEN … /* * This enum is used in string mapping in xfs_trace.h; please keep the * TRACE_DEFINE_ENUMs for it up to date. */ xfs_lookup_t; #define XFS_AG_BTREE_CMP_FORMAT_STR … struct xfs_name { … }; /* * uid_t and gid_t are hard-coded to 32 bits in the inode. * Hence, an 'id' in a dquot is 32 bits.. */ xfs_dqid_t; /* * Constants for bit manipulations. */ #define XFS_NBBYLOG … #define XFS_WORDLOG … #define XFS_SUMINFOLOG … #define XFS_NBWORDLOG … #define XFS_NBWORD … #define XFS_WORDMASK … struct xfs_iext_cursor { … }; xfs_exntst_t; xfs_bmbt_irec_t; enum xfs_refc_domain { … }; #define XFS_REFC_DOMAIN_STRINGS … struct xfs_refcount_irec { … }; #define XFS_RMAP_ATTR_FORK … #define XFS_RMAP_BMBT_BLOCK … #define XFS_RMAP_UNWRITTEN … #define XFS_RMAP_KEY_FLAGS … #define XFS_RMAP_REC_FLAGS … struct xfs_rmap_irec { … }; /* per-AG block reservation types */ enum xfs_ag_resv_type { … }; /* Results of scanning a btree keyspace to check occupancy. */ enum xbtree_recpacking { … }; /* * Type verifier functions */ struct xfs_mount; bool xfs_verify_fsbno(struct xfs_mount *mp, xfs_fsblock_t fsbno); bool xfs_verify_fsbext(struct xfs_mount *mp, xfs_fsblock_t fsbno, xfs_fsblock_t len); bool xfs_verify_ino(struct xfs_mount *mp, xfs_ino_t ino); bool xfs_internal_inum(struct xfs_mount *mp, xfs_ino_t ino); bool xfs_verify_dir_ino(struct xfs_mount *mp, xfs_ino_t ino); bool xfs_verify_rtbno(struct xfs_mount *mp, xfs_rtblock_t rtbno); bool xfs_verify_rtbext(struct xfs_mount *mp, xfs_rtblock_t rtbno, xfs_filblks_t len); bool xfs_verify_icount(struct xfs_mount *mp, unsigned long long icount); bool xfs_verify_dablk(struct xfs_mount *mp, xfs_fileoff_t off); void xfs_icount_range(struct xfs_mount *mp, unsigned long long *min, unsigned long long *max); bool xfs_verify_fileoff(struct xfs_mount *mp, xfs_fileoff_t off); bool xfs_verify_fileext(struct xfs_mount *mp, xfs_fileoff_t off, xfs_fileoff_t len); /* Do we support an rt volume having this number of rtextents? */ static inline bool xfs_validate_rtextents( xfs_rtbxlen_t rtextents) { … } #endif /* __XFS_TYPES_H__ */
Codebase Browser
linux