| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Christoph Hellwig | 314 | 44.86% | 5 | 8.47% |
| Darrick J. Wong | 306 | 43.71% | 34 | 57.63% |
| Nathan Scott | 35 | 5.00% | 3 | 5.08% |
| David Chinner | 24 | 3.43% | 11 | 18.64% |
| Barry Naujok | 13 | 1.86% | 1 | 1.69% |
| Brian Foster | 5 | 0.71% | 3 | 5.08% |
| Chandan Babu R | 2 | 0.29% | 1 | 1.69% |
| Stephen Lord | 1 | 0.14% | 1 | 1.69% |
| Total | 700 | 59 |
// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2000-2005 Silicon Graphics, Inc. * All Rights Reserved. */ #ifndef __XFS_TYPES_H__ #define __XFS_TYPES_H__ typedef uint32_t prid_t; /* project ID */ typedef uint32_t xfs_agblock_t; /* blockno in alloc. group */ typedef uint32_t xfs_agino_t; /* inode # within allocation grp */ typedef uint32_t xfs_extlen_t; /* extent length in blocks */ typedef uint32_t xfs_rtxlen_t; /* file extent length in rtextents */ typedef uint32_t xfs_agnumber_t; /* allocation group number */ typedef uint64_t xfs_extnum_t; /* # of extents in a file */ typedef uint32_t xfs_aextnum_t; /* # extents in an attribute fork */ typedef int64_t xfs_fsize_t; /* bytes in a file */ typedef uint64_t xfs_ufsize_t; /* unsigned bytes in a file */ typedef int32_t xfs_suminfo_t; /* type of bitmap summary info */ typedef uint32_t xfs_rtsumoff_t; /* offset of an rtsummary info word */ typedef uint32_t xfs_rtword_t; /* word type for bitmap manipulations */ typedef int64_t xfs_lsn_t; /* log sequence number */ typedef int64_t xfs_csn_t; /* CIL sequence number */ typedef uint32_t xfs_dablk_t; /* dir/attr block number (in file) */ typedef uint32_t xfs_dahash_t; /* dir/attr hash value */ typedef uint64_t xfs_fsblock_t; /* blockno in filesystem (agno|agbno) */ typedef uint64_t xfs_rfsblock_t; /* blockno in filesystem (raw) */ typedef uint64_t xfs_rtblock_t; /* extent (block) in realtime area */ typedef uint64_t xfs_fileoff_t; /* block number in a file */ typedef uint64_t xfs_filblks_t; /* number of blocks in a file */ typedef uint64_t xfs_rtxnum_t; /* rtextent number */ typedef uint64_t xfs_rtbxlen_t; /* rtbitmap extent length in rtextents */ typedef int64_t 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. */ typedef void * xfs_failaddr_t; /* * Null values for the types. */ #define NULLFSBLOCK ((xfs_fsblock_t)-1) #define NULLRFSBLOCK ((xfs_rfsblock_t)-1) #define NULLRTBLOCK ((xfs_rtblock_t)-1) #define NULLFILEOFF ((xfs_fileoff_t)-1) #define NULLAGBLOCK ((xfs_agblock_t)-1) #define NULLAGNUMBER ((xfs_agnumber_t)-1) #define NULLCOMMITLSN ((xfs_lsn_t)-1) #define NULLFSINO ((xfs_ino_t)-1) #define NULLAGINO ((xfs_agino_t)-1) /* * 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 9 /* i.e. 512 bytes */ #define XFS_MAX_BLOCKSIZE_LOG 16 /* i.e. 65536 bytes */ #define XFS_MIN_BLOCKSIZE (1 << XFS_MIN_BLOCKSIZE_LOG) #define XFS_MAX_BLOCKSIZE (1 << XFS_MAX_BLOCKSIZE_LOG) #define XFS_MIN_CRC_BLOCKSIZE (1 << (XFS_MIN_BLOCKSIZE_LOG + 1)) #define XFS_MIN_SECTORSIZE_LOG 9 /* i.e. 512 bytes */ #define XFS_MAX_SECTORSIZE_LOG 15 /* i.e. 32768 bytes */ #define XFS_MIN_SECTORSIZE (1 << XFS_MIN_SECTORSIZE_LOG) #define XFS_MAX_SECTORSIZE (1 << XFS_MAX_SECTORSIZE_LOG) /* * Inode fork identifiers. */ #define XFS_DATA_FORK 0 #define XFS_ATTR_FORK 1 #define XFS_COW_FORK 2 #define XFS_WHICHFORK_STRINGS \ { XFS_DATA_FORK, "data" }, \ { XFS_ATTR_FORK, "attr" }, \ { XFS_COW_FORK, "cow" } /* * Min numbers of data/attr fork btree root pointers. */ #define MINDBTPTRS 3 #define MINABTPTRS 2 /* * MAXNAMELEN is the length (including the terminating null) of * the longest permissible file (component) name. */ #define MAXNAMELEN 256 /* * This enum is used in string mapping in xfs_trace.h; please keep the * TRACE_DEFINE_ENUMs for it up to date. */ typedef enum { XFS_LOOKUP_EQi, XFS_LOOKUP_LEi, XFS_LOOKUP_GEi } xfs_lookup_t; #define XFS_AG_BTREE_CMP_FORMAT_STR \ { XFS_LOOKUP_EQi, "eq" }, \ { XFS_LOOKUP_LEi, "le" }, \ { XFS_LOOKUP_GEi, "ge" } /* * This enum is used in string mapping in xfs_trace.h and scrub/trace.h; * please keep the TRACE_DEFINE_ENUMs for it up to date. */ typedef enum { XFS_BTNUM_BNOi, XFS_BTNUM_CNTi, XFS_BTNUM_RMAPi, XFS_BTNUM_BMAPi, XFS_BTNUM_INOi, XFS_BTNUM_FINOi, XFS_BTNUM_REFCi, XFS_BTNUM_MAX } xfs_btnum_t; #define XFS_BTNUM_STRINGS \ { XFS_BTNUM_BNOi, "bnobt" }, \ { XFS_BTNUM_CNTi, "cntbt" }, \ { XFS_BTNUM_RMAPi, "rmapbt" }, \ { XFS_BTNUM_BMAPi, "bmbt" }, \ { XFS_BTNUM_INOi, "inobt" }, \ { XFS_BTNUM_FINOi, "finobt" }, \ { XFS_BTNUM_REFCi, "refcbt" } struct xfs_name { const unsigned char *name; int len; int type; }; /* * uid_t and gid_t are hard-coded to 32 bits in the inode. * Hence, an 'id' in a dquot is 32 bits.. */ typedef uint32_t xfs_dqid_t; /* * Constants for bit manipulations. */ #define XFS_NBBYLOG 3 /* log2(NBBY) */ #define XFS_WORDLOG 2 /* log2(sizeof(xfs_rtword_t)) */ #define XFS_SUMINFOLOG 2 /* log2(sizeof(xfs_suminfo_t)) */ #define XFS_NBWORDLOG (XFS_NBBYLOG + XFS_WORDLOG) #define XFS_NBWORD (1 << XFS_NBWORDLOG) #define XFS_WORDMASK ((1 << XFS_WORDLOG) - 1) struct xfs_iext_cursor { struct xfs_iext_leaf *leaf; int pos; }; typedef enum { XFS_EXT_NORM, XFS_EXT_UNWRITTEN, } xfs_exntst_t; typedef struct xfs_bmbt_irec { xfs_fileoff_t br_startoff; /* starting file offset */ xfs_fsblock_t br_startblock; /* starting block number */ xfs_filblks_t br_blockcount; /* number of blocks */ xfs_exntst_t br_state; /* extent state */ } xfs_bmbt_irec_t; enum xfs_refc_domain { XFS_REFC_DOMAIN_SHARED = 0, XFS_REFC_DOMAIN_COW, }; #define XFS_REFC_DOMAIN_STRINGS \ { XFS_REFC_DOMAIN_SHARED, "shared" }, \ { XFS_REFC_DOMAIN_COW, "cow" } struct xfs_refcount_irec { xfs_agblock_t rc_startblock; /* starting block number */ xfs_extlen_t rc_blockcount; /* count of free blocks */ xfs_nlink_t rc_refcount; /* number of inodes linked here */ enum xfs_refc_domain rc_domain; /* shared or cow staging extent? */ }; #define XFS_RMAP_ATTR_FORK (1 << 0) #define XFS_RMAP_BMBT_BLOCK (1 << 1) #define XFS_RMAP_UNWRITTEN (1 << 2) #define XFS_RMAP_KEY_FLAGS (XFS_RMAP_ATTR_FORK | \ XFS_RMAP_BMBT_BLOCK) #define XFS_RMAP_REC_FLAGS (XFS_RMAP_UNWRITTEN) struct xfs_rmap_irec { xfs_agblock_t rm_startblock; /* extent start block */ xfs_extlen_t rm_blockcount; /* extent length */ uint64_t rm_owner; /* extent owner */ uint64_t rm_offset; /* offset within the owner */ unsigned int rm_flags; /* state flags */ }; /* per-AG block reservation types */ enum xfs_ag_resv_type { XFS_AG_RESV_NONE = 0, XFS_AG_RESV_AGFL, XFS_AG_RESV_METADATA, XFS_AG_RESV_RMAPBT, /* * Don't increase fdblocks when freeing extent. This is a pony for * the bnobt repair functions to re-free the free space without * altering fdblocks. If you think you need this you're wrong. */ XFS_AG_RESV_IGNORE, }; /* Results of scanning a btree keyspace to check occupancy. */ enum xbtree_recpacking { /* None of the keyspace maps to records. */ XBTREE_RECPACKING_EMPTY = 0, /* Some, but not all, of the keyspace maps to records. */ XBTREE_RECPACKING_SPARSE, /* The entire keyspace maps to records. */ XBTREE_RECPACKING_FULL, }; /* * 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) { /* No runt rt volumes */ if (rtextents == 0) return false; return true; } #endif /* __XFS_TYPES_H__ */
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