/* SPDX-License-Identifier: LGPL-2.1 */ /* * Copyright (c) 1995-2005 Silicon Graphics, Inc. * All Rights Reserved. */ #ifndef __XFS_FS_H__ #define __XFS_FS_H__ /* * SGI's XFS filesystem's major stuff (constants, structures) * NOTE: This file must be compile-able with C++ compilers. */ /* * Direct I/O attribute record used with XFS_IOC_DIOINFO * d_miniosz is the min xfer size, xfer size multiple and file seek offset * alignment. */ #ifndef HAVE_DIOATTR struct dioattr { … }; #endif /* * Structure for XFS_IOC_GETBMAP. * On input, fill in bmv_offset and bmv_length of the first structure * to indicate the area of interest in the file, and bmv_entries with * the number of array elements given back. The first structure is * updated on return to give the offset and length for the next call. */ #ifndef HAVE_GETBMAP struct getbmap { … }; #endif /* * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries * are used exactly as in the getbmap structure. The getbmapx structure * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field * is only used for the first structure. It contains input flags * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled * in by the XFS_IOC_GETBMAPX command for each returned structure after * the first. */ #ifndef HAVE_GETBMAPX struct getbmapx { … }; #endif /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ #define BMV_IF_ATTRFORK … #define BMV_IF_NO_DMAPI_READ … #define BMV_IF_PREALLOC … #define BMV_IF_DELALLOC … #define BMV_IF_NO_HOLES … #define BMV_IF_COWFORK … #define BMV_IF_VALID … /* bmv_oflags values - returned for each non-header segment */ #define BMV_OF_PREALLOC … #define BMV_OF_DELALLOC … #define BMV_OF_LAST … #define BMV_OF_SHARED … /* fmr_owner special values for FS_IOC_GETFSMAP */ #define XFS_FMR_OWN_FREE … #define XFS_FMR_OWN_UNKNOWN … #define XFS_FMR_OWN_FS … #define XFS_FMR_OWN_LOG … #define XFS_FMR_OWN_AG … #define XFS_FMR_OWN_INOBT … #define XFS_FMR_OWN_INODES … #define XFS_FMR_OWN_REFC … #define XFS_FMR_OWN_COW … #define XFS_FMR_OWN_DEFECTIVE … /* * File segment locking set data type for 64 bit access. * Also used for all the RESV/FREE interfaces. */ xfs_flock64_t; /* * Output for XFS_IOC_FSGEOMETRY_V1 */ struct xfs_fsop_geom_v1 { … }; /* * Output for XFS_IOC_FSGEOMETRY_V4 */ struct xfs_fsop_geom_v4 { … }; /* * Output for XFS_IOC_FSGEOMETRY */ struct xfs_fsop_geom { … }; #define XFS_FSOP_GEOM_SICK_COUNTERS … #define XFS_FSOP_GEOM_SICK_UQUOTA … #define XFS_FSOP_GEOM_SICK_GQUOTA … #define XFS_FSOP_GEOM_SICK_PQUOTA … #define XFS_FSOP_GEOM_SICK_RT_BITMAP … #define XFS_FSOP_GEOM_SICK_RT_SUMMARY … #define XFS_FSOP_GEOM_SICK_QUOTACHECK … #define XFS_FSOP_GEOM_SICK_NLINKS … /* Output for XFS_FS_COUNTS */ xfs_fsop_counts_t; /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ xfs_fsop_resblks_t; #define XFS_FSOP_GEOM_VERSION … #define XFS_FSOP_GEOM_VERSION_V5 … #define XFS_FSOP_GEOM_FLAGS_ATTR … #define XFS_FSOP_GEOM_FLAGS_NLINK … #define XFS_FSOP_GEOM_FLAGS_QUOTA … #define XFS_FSOP_GEOM_FLAGS_IALIGN … #define XFS_FSOP_GEOM_FLAGS_DALIGN … #define XFS_FSOP_GEOM_FLAGS_SHARED … #define XFS_FSOP_GEOM_FLAGS_EXTFLG … #define XFS_FSOP_GEOM_FLAGS_DIRV2 … #define XFS_FSOP_GEOM_FLAGS_LOGV2 … #define XFS_FSOP_GEOM_FLAGS_SECTOR … #define XFS_FSOP_GEOM_FLAGS_ATTR2 … #define XFS_FSOP_GEOM_FLAGS_PROJID32 … #define XFS_FSOP_GEOM_FLAGS_DIRV2CI … /* -- Do not use -- (1 << 13) SGI parent pointers */ #define XFS_FSOP_GEOM_FLAGS_LAZYSB … #define XFS_FSOP_GEOM_FLAGS_V5SB … #define XFS_FSOP_GEOM_FLAGS_FTYPE … #define XFS_FSOP_GEOM_FLAGS_FINOBT … #define XFS_FSOP_GEOM_FLAGS_SPINODES … #define XFS_FSOP_GEOM_FLAGS_RMAPBT … #define XFS_FSOP_GEOM_FLAGS_REFLINK … #define XFS_FSOP_GEOM_FLAGS_BIGTIME … #define XFS_FSOP_GEOM_FLAGS_INOBTCNT … #define XFS_FSOP_GEOM_FLAGS_NREXT64 … #define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE … #define XFS_FSOP_GEOM_FLAGS_PARENT … /* * Minimum and maximum sizes need for growth checks. * * Block counts are in units of filesystem blocks, not basic blocks. */ #define XFS_MIN_AG_BLOCKS … #define XFS_MIN_LOG_BLOCKS … #define XFS_MAX_LOG_BLOCKS … #define XFS_MIN_LOG_BYTES … /* * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than * 16MB or larger than 1TB. */ #define XFS_MIN_AG_BYTES … #define XFS_MAX_AG_BYTES … #define XFS_MAX_AG_BLOCKS … #define XFS_MAX_CRC_AG_BLOCKS … #define XFS_MAX_AGNUMBER … /* keep the maximum size under 2^31 by a small amount */ #define XFS_MAX_LOG_BYTES … /* Used for sanity checks on superblock */ #define XFS_MAX_DBLOCKS(s) … #define XFS_MIN_DBLOCKS(s) … /* * Output for XFS_IOC_AG_GEOMETRY */ struct xfs_ag_geometry { … }; #define XFS_AG_GEOM_SICK_SB … #define XFS_AG_GEOM_SICK_AGF … #define XFS_AG_GEOM_SICK_AGFL … #define XFS_AG_GEOM_SICK_AGI … #define XFS_AG_GEOM_SICK_BNOBT … #define XFS_AG_GEOM_SICK_CNTBT … #define XFS_AG_GEOM_SICK_INOBT … #define XFS_AG_GEOM_SICK_FINOBT … #define XFS_AG_GEOM_SICK_RMAPBT … #define XFS_AG_GEOM_SICK_REFCNTBT … #define XFS_AG_GEOM_SICK_INODES … /* * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT */ xfs_growfs_data_t; xfs_growfs_log_t; xfs_growfs_rt_t; /* * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE */ xfs_bstime_t; struct xfs_bstat { … }; /* New bulkstat structure that reports v5 features and fixes padding issues */ struct xfs_bulkstat { … }; #define XFS_BULKSTAT_VERSION_V1 … #define XFS_BULKSTAT_VERSION_V5 … /* bs_sick flags */ #define XFS_BS_SICK_INODE … #define XFS_BS_SICK_BMBTD … #define XFS_BS_SICK_BMBTA … #define XFS_BS_SICK_BMBTC … #define XFS_BS_SICK_DIR … #define XFS_BS_SICK_XATTR … #define XFS_BS_SICK_SYMLINK … #define XFS_BS_SICK_PARENT … #define XFS_BS_SICK_DIRTREE … /* * Project quota id helpers (previously projid was 16bit only * and using two 16bit values to hold new 32bit projid was chosen * to retain compatibility with "old" filesystems). */ static inline uint32_t bstat_get_projid(const struct xfs_bstat *bs) { … } /* * The user-level BulkStat Request interface structure. */ struct xfs_fsop_bulkreq { … }; /* * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). */ struct xfs_inogrp { … }; /* New inumbers structure that reports v5 features and fixes padding issues */ struct xfs_inumbers { … }; #define XFS_INUMBERS_VERSION_V1 … #define XFS_INUMBERS_VERSION_V5 … /* Header for bulk inode requests. */ struct xfs_bulk_ireq { … }; /* * Only return results from the specified @agno. If @ino is zero, start * with the first inode of @agno. */ #define XFS_BULK_IREQ_AGNO … /* * Return bulkstat information for a single inode, where @ino value is a * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_* * values below. Not compatible with XFS_BULK_IREQ_AGNO. */ #define XFS_BULK_IREQ_SPECIAL … /* * Return data fork extent count via xfs_bulkstat->bs_extents64 field and assign * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use * xfs_bulkstat->bs_extents for returning data fork extent count and set * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than * XFS_MAX_EXTCNT_DATA_FORK_OLD. */ #define XFS_BULK_IREQ_NREXT64 … #define XFS_BULK_IREQ_FLAGS_ALL … /* Operate on the root directory inode. */ #define XFS_BULK_IREQ_SPECIAL_ROOT … /* * ioctl structures for v5 bulkstat and inumbers requests */ struct xfs_bulkstat_req { … }; #define XFS_BULKSTAT_REQ_SIZE(nr) … struct xfs_inumbers_req { … }; #define XFS_INUMBERS_REQ_SIZE(nr) … /* * Error injection. */ xfs_error_injection_t; /* * Speculative preallocation trimming. */ #define XFS_EOFBLOCKS_VERSION … struct xfs_fs_eofblocks { … }; /* eof_flags values */ #define XFS_EOF_FLAGS_SYNC … #define XFS_EOF_FLAGS_UID … #define XFS_EOF_FLAGS_GID … #define XFS_EOF_FLAGS_PRID … #define XFS_EOF_FLAGS_MINFILESIZE … #define XFS_EOF_FLAGS_UNION … #define XFS_EOF_FLAGS_VALID … /* * The user-level Handle Request interface structure. */ xfs_fsop_handlereq_t; /* * Compound structures for passing args through Handle Request interfaces * xfs_attrlist_by_handle, xfs_attrmulti_by_handle * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE */ /* * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface. * * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix. */ #define XFS_IOC_ATTR_ROOT … #define XFS_IOC_ATTR_SECURE … #define XFS_IOC_ATTR_CREATE … #define XFS_IOC_ATTR_REPLACE … xfs_attrlist_cursor_t; /* * Define how lists of attribute names are returned to userspace from the * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the * beginning of the returned buffer, and a each entry in al_offset contains the * relative offset of an xfs_attrlist_ent containing the actual entry. * * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr. */ struct xfs_attrlist { … }; struct xfs_attrlist_ent { … }; xfs_fsop_attrlist_handlereq_t; xfs_attr_multiop_t; xfs_fsop_attrmulti_handlereq_t; /* * per machine unique filesystem identifier types. */ xfs_fsid_t; xfs_fid_t; xfs_handle_t; #define ha_fsid … /* * Structure passed to XFS_IOC_SWAPEXT */ xfs_swapext_t; /* * Flags for going down operation */ #define XFS_FSOP_GOING_FLAGS_DEFAULT … #define XFS_FSOP_GOING_FLAGS_LOGFLUSH … #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH … /* metadata scrubbing */ struct xfs_scrub_metadata { … }; /* * Metadata types and flags for scrub operation. */ /* Scrub subcommands. */ #define XFS_SCRUB_TYPE_PROBE … #define XFS_SCRUB_TYPE_SB … #define XFS_SCRUB_TYPE_AGF … #define XFS_SCRUB_TYPE_AGFL … #define XFS_SCRUB_TYPE_AGI … #define XFS_SCRUB_TYPE_BNOBT … #define XFS_SCRUB_TYPE_CNTBT … #define XFS_SCRUB_TYPE_INOBT … #define XFS_SCRUB_TYPE_FINOBT … #define XFS_SCRUB_TYPE_RMAPBT … #define XFS_SCRUB_TYPE_REFCNTBT … #define XFS_SCRUB_TYPE_INODE … #define XFS_SCRUB_TYPE_BMBTD … #define XFS_SCRUB_TYPE_BMBTA … #define XFS_SCRUB_TYPE_BMBTC … #define XFS_SCRUB_TYPE_DIR … #define XFS_SCRUB_TYPE_XATTR … #define XFS_SCRUB_TYPE_SYMLINK … #define XFS_SCRUB_TYPE_PARENT … #define XFS_SCRUB_TYPE_RTBITMAP … #define XFS_SCRUB_TYPE_RTSUM … #define XFS_SCRUB_TYPE_UQUOTA … #define XFS_SCRUB_TYPE_GQUOTA … #define XFS_SCRUB_TYPE_PQUOTA … #define XFS_SCRUB_TYPE_FSCOUNTERS … #define XFS_SCRUB_TYPE_QUOTACHECK … #define XFS_SCRUB_TYPE_NLINKS … #define XFS_SCRUB_TYPE_HEALTHY … #define XFS_SCRUB_TYPE_DIRTREE … /* Number of scrub subcommands. */ #define XFS_SCRUB_TYPE_NR … /* * This special type code only applies to the vectored scrub implementation. * * If any of the previous scrub vectors recorded runtime errors or have * sv_flags bits set that match the OFLAG bits in the barrier vector's * sv_flags, set the barrier's sv_ret to -ECANCELED and return to userspace. */ #define XFS_SCRUB_TYPE_BARRIER … /* i: Repair this metadata. */ #define XFS_SCRUB_IFLAG_REPAIR … /* o: Metadata object needs repair. */ #define XFS_SCRUB_OFLAG_CORRUPT … /* * o: Metadata object could be optimized. It's not corrupt, but * we could improve on it somehow. */ #define XFS_SCRUB_OFLAG_PREEN … /* o: Cross-referencing failed. */ #define XFS_SCRUB_OFLAG_XFAIL … /* o: Metadata object disagrees with cross-referenced metadata. */ #define XFS_SCRUB_OFLAG_XCORRUPT … /* o: Scan was not complete. */ #define XFS_SCRUB_OFLAG_INCOMPLETE … /* o: Metadata object looked funny but isn't corrupt. */ #define XFS_SCRUB_OFLAG_WARNING … /* * o: IFLAG_REPAIR was set but metadata object did not need fixing or * optimization and has therefore not been altered. */ #define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED … /* i: Rebuild the data structure. */ #define XFS_SCRUB_IFLAG_FORCE_REBUILD … #define XFS_SCRUB_FLAGS_IN … #define XFS_SCRUB_FLAGS_OUT … #define XFS_SCRUB_FLAGS_ALL … /* Vectored scrub calls to reduce the number of kernel transitions. */ struct xfs_scrub_vec { … }; /* Vectored metadata scrub control structure. */ struct xfs_scrub_vec_head { … }; #define XFS_SCRUB_VEC_FLAGS_ALL … /* * ioctl limits */ #ifdef XATTR_LIST_MAX #define XFS_XATTR_LIST_MAX … #else #define XFS_XATTR_LIST_MAX … #endif /* * Exchange part of file1 with part of the file that this ioctl that is being * called against (which we'll call file2). Filesystems must be able to * restart and complete the operation even after the system goes down. */ struct xfs_exchange_range { … }; /* * Using the same definition of file2 as struct xfs_exchange_range, commit the * contents of file1 into file2 if file2 has the same inode number, mtime, and * ctime as the arguments provided to the call. The old contents of file2 will * be moved to file1. * * Returns -EBUSY if there isn't an exact match for the file2 fields. * * Filesystems must be able to restart and complete the operation even after * the system goes down. */ struct xfs_commit_range { … }; /* * Exchange file data all the way to the ends of both files, and then exchange * the file sizes. This flag can be used to replace a file's contents with a * different amount of data. length will be ignored. */ #define XFS_EXCHANGE_RANGE_TO_EOF … /* Flush all changes in file data and file metadata to disk before returning. */ #define XFS_EXCHANGE_RANGE_DSYNC … /* Dry run; do all the parameter verification but do not change anything. */ #define XFS_EXCHANGE_RANGE_DRY_RUN … /* * Exchange only the parts of the two files where the file allocation units * mapped to file1's range have been written to. This can accelerate * scatter-gather atomic writes with a temp file if all writes are aligned to * the file allocation unit. */ #define XFS_EXCHANGE_RANGE_FILE1_WRITTEN … #define XFS_EXCHANGE_RANGE_ALL_FLAGS … /* Iterating parent pointers of files. */ /* target was the root directory */ #define XFS_GETPARENTS_OFLAG_ROOT … /* Cursor is done iterating pptrs */ #define XFS_GETPARENTS_OFLAG_DONE … #define XFS_GETPARENTS_OFLAGS_ALL … #define XFS_GETPARENTS_IFLAGS_ALL … struct xfs_getparents_rec { … }; /* Iterate through this file's directory parent pointers */ struct xfs_getparents { … }; static inline struct xfs_getparents_rec * xfs_getparents_first_rec(struct xfs_getparents *gp) { … } static inline struct xfs_getparents_rec * xfs_getparents_next_rec(struct xfs_getparents *gp, struct xfs_getparents_rec *gpr) { … } /* Iterate through this file handle's directory parent pointers. */ struct xfs_getparents_by_handle { … }; /* * ioctl commands that are used by Linux filesystems */ #define XFS_IOC_GETXFLAGS … #define XFS_IOC_SETXFLAGS … #define XFS_IOC_GETVERSION … /* * ioctl commands that replace IRIX fcntl()'s * For 'documentation' purposed more than anything else, * the "cmd #" field reflects the IRIX fcntl number. */ /* XFS_IOC_ALLOCSP ------- deprecated 10 */ /* XFS_IOC_FREESP -------- deprecated 11 */ #define XFS_IOC_DIOINFO … #define XFS_IOC_FSGETXATTR … #define XFS_IOC_FSSETXATTR … /* XFS_IOC_ALLOCSP64 ----- deprecated 36 */ /* XFS_IOC_FREESP64 ------ deprecated 37 */ #define XFS_IOC_GETBMAP … /* XFS_IOC_FSSETDM ------- deprecated 39 */ #define XFS_IOC_RESVSP … #define XFS_IOC_UNRESVSP … #define XFS_IOC_RESVSP64 … #define XFS_IOC_UNRESVSP64 … #define XFS_IOC_GETBMAPA … #define XFS_IOC_FSGETXATTRA … /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ #define XFS_IOC_GETBMAPX … #define XFS_IOC_ZERO_RANGE … #define XFS_IOC_FREE_EOFBLOCKS … /* XFS_IOC_GETFSMAP ------ hoisted 59 */ #define XFS_IOC_SCRUB_METADATA … #define XFS_IOC_AG_GEOMETRY … #define XFS_IOC_GETPARENTS … #define XFS_IOC_GETPARENTS_BY_HANDLE … #define XFS_IOC_SCRUBV_METADATA … /* * ioctl commands that replace IRIX syssgi()'s */ #define XFS_IOC_FSGEOMETRY_V1 … #define XFS_IOC_FSBULKSTAT … #define XFS_IOC_FSBULKSTAT_SINGLE … #define XFS_IOC_FSINUMBERS … #define XFS_IOC_PATH_TO_FSHANDLE … #define XFS_IOC_PATH_TO_HANDLE … #define XFS_IOC_FD_TO_HANDLE … #define XFS_IOC_OPEN_BY_HANDLE … #define XFS_IOC_READLINK_BY_HANDLE … #define XFS_IOC_SWAPEXT … #define XFS_IOC_FSGROWFSDATA … #define XFS_IOC_FSGROWFSLOG … #define XFS_IOC_FSGROWFSRT … #define XFS_IOC_FSCOUNTS … #define XFS_IOC_SET_RESBLKS … #define XFS_IOC_GET_RESBLKS … #define XFS_IOC_ERROR_INJECTION … #define XFS_IOC_ERROR_CLEARALL … /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ #define XFS_IOC_FREEZE … #define XFS_IOC_THAW … /* XFS_IOC_FSSETDM_BY_HANDLE -- deprecated 121 */ #define XFS_IOC_ATTRLIST_BY_HANDLE … #define XFS_IOC_ATTRMULTI_BY_HANDLE … #define XFS_IOC_FSGEOMETRY_V4 … #define XFS_IOC_GOINGDOWN … #define XFS_IOC_FSGEOMETRY … #define XFS_IOC_BULKSTAT … #define XFS_IOC_INUMBERS … #define XFS_IOC_EXCHANGE_RANGE … #define XFS_IOC_START_COMMIT … #define XFS_IOC_COMMIT_RANGE … /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ #ifndef HAVE_BBMACROS /* * Block I/O parameterization. A basic block (BB) is the lowest size of * filesystem allocation, and must equal 512. Length units given to bio * routines are in BB's. */ #define BBSHIFT … #define BBSIZE … #define BBMASK … #define BTOBB(bytes) … #define BTOBBT(bytes) … #define BBTOB(bbs) … #endif #endif /* __XFS_FS_H__ */
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