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1/* SPDX-License-Identifier: LGPL-2.1 */2/*3 * Copyright (c) 1995-2005 Silicon Graphics, Inc.4 * All Rights Reserved.5 */6#ifndef __XFS_FS_H__7#define __XFS_FS_H__8 9/*10 * SGI's XFS filesystem's major stuff (constants, structures)11 * NOTE: This file must be compile-able with C++ compilers.12 */13 14/*15 * Direct I/O attribute record used with XFS_IOC_DIOINFO16 * d_miniosz is the min xfer size, xfer size multiple and file seek offset17 * alignment.18 */19#ifndef HAVE_DIOATTR20struct dioattr {21 __u32 d_mem; /* data buffer memory alignment */22 __u32 d_miniosz; /* min xfer size */23 __u32 d_maxiosz; /* max xfer size */24};25#endif26 27/*28 * Structure for XFS_IOC_GETBMAP.29 * On input, fill in bmv_offset and bmv_length of the first structure30 * to indicate the area of interest in the file, and bmv_entries with31 * the number of array elements given back. The first structure is32 * updated on return to give the offset and length for the next call.33 */34#ifndef HAVE_GETBMAP35struct getbmap {36 __s64 bmv_offset; /* file offset of segment in blocks */37 __s64 bmv_block; /* starting block (64-bit daddr_t) */38 __s64 bmv_length; /* length of segment, blocks */39 __s32 bmv_count; /* # of entries in array incl. 1st */40 __s32 bmv_entries; /* # of entries filled in (output) */41};42#endif43 44/*45 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries46 * are used exactly as in the getbmap structure. The getbmapx structure47 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field48 * is only used for the first structure. It contains input flags49 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled50 * in by the XFS_IOC_GETBMAPX command for each returned structure after51 * the first.52 */53#ifndef HAVE_GETBMAPX54struct getbmapx {55 __s64 bmv_offset; /* file offset of segment in blocks */56 __s64 bmv_block; /* starting block (64-bit daddr_t) */57 __s64 bmv_length; /* length of segment, blocks */58 __s32 bmv_count; /* # of entries in array incl. 1st */59 __s32 bmv_entries; /* # of entries filled in (output). */60 __s32 bmv_iflags; /* input flags (1st structure) */61 __s32 bmv_oflags; /* output flags (after 1st structure)*/62 __s32 bmv_unused1; /* future use */63 __s32 bmv_unused2; /* future use */64};65#endif66 67/* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */68#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */69#define BMV_IF_NO_DMAPI_READ 0x2 /* Deprecated */70#define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */71#define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */72#define BMV_IF_NO_HOLES 0x10 /* Do not return holes */73#define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */74#define BMV_IF_VALID \75 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \76 BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK)77 78/* bmv_oflags values - returned for each non-header segment */79#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */80#define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */81#define BMV_OF_LAST 0x4 /* segment is the last in the file */82#define BMV_OF_SHARED 0x8 /* segment shared with another file */83 84/* fmr_owner special values for FS_IOC_GETFSMAP */85#define XFS_FMR_OWN_FREE FMR_OWN_FREE /* free space */86#define XFS_FMR_OWN_UNKNOWN FMR_OWN_UNKNOWN /* unknown owner */87#define XFS_FMR_OWN_FS FMR_OWNER('X', 1) /* static fs metadata */88#define XFS_FMR_OWN_LOG FMR_OWNER('X', 2) /* journalling log */89#define XFS_FMR_OWN_AG FMR_OWNER('X', 3) /* per-AG metadata */90#define XFS_FMR_OWN_INOBT FMR_OWNER('X', 4) /* inode btree blocks */91#define XFS_FMR_OWN_INODES FMR_OWNER('X', 5) /* inodes */92#define XFS_FMR_OWN_REFC FMR_OWNER('X', 6) /* refcount tree */93#define XFS_FMR_OWN_COW FMR_OWNER('X', 7) /* cow staging */94#define XFS_FMR_OWN_DEFECTIVE FMR_OWNER('X', 8) /* bad blocks */95 96/*97 * File segment locking set data type for 64 bit access.98 * Also used for all the RESV/FREE interfaces.99 */100typedef struct xfs_flock64 {101 __s16 l_type;102 __s16 l_whence;103 __s64 l_start;104 __s64 l_len; /* len == 0 means until end of file */105 __s32 l_sysid;106 __u32 l_pid;107 __s32 l_pad[4]; /* reserve area */108} xfs_flock64_t;109 110/*111 * Output for XFS_IOC_FSGEOMETRY_V1112 */113struct xfs_fsop_geom_v1 {114 __u32 blocksize; /* filesystem (data) block size */115 __u32 rtextsize; /* realtime extent size */116 __u32 agblocks; /* fsblocks in an AG */117 __u32 agcount; /* number of allocation groups */118 __u32 logblocks; /* fsblocks in the log */119 __u32 sectsize; /* (data) sector size, bytes */120 __u32 inodesize; /* inode size in bytes */121 __u32 imaxpct; /* max allowed inode space(%) */122 __u64 datablocks; /* fsblocks in data subvolume */123 __u64 rtblocks; /* fsblocks in realtime subvol */124 __u64 rtextents; /* rt extents in realtime subvol*/125 __u64 logstart; /* starting fsblock of the log */126 unsigned char uuid[16]; /* unique id of the filesystem */127 __u32 sunit; /* stripe unit, fsblocks */128 __u32 swidth; /* stripe width, fsblocks */129 __s32 version; /* structure version */130 __u32 flags; /* superblock version flags */131 __u32 logsectsize; /* log sector size, bytes */132 __u32 rtsectsize; /* realtime sector size, bytes */133 __u32 dirblocksize; /* directory block size, bytes */134};135 136/*137 * Output for XFS_IOC_FSGEOMETRY_V4138 */139struct xfs_fsop_geom_v4 {140 __u32 blocksize; /* filesystem (data) block size */141 __u32 rtextsize; /* realtime extent size */142 __u32 agblocks; /* fsblocks in an AG */143 __u32 agcount; /* number of allocation groups */144 __u32 logblocks; /* fsblocks in the log */145 __u32 sectsize; /* (data) sector size, bytes */146 __u32 inodesize; /* inode size in bytes */147 __u32 imaxpct; /* max allowed inode space(%) */148 __u64 datablocks; /* fsblocks in data subvolume */149 __u64 rtblocks; /* fsblocks in realtime subvol */150 __u64 rtextents; /* rt extents in realtime subvol*/151 __u64 logstart; /* starting fsblock of the log */152 unsigned char uuid[16]; /* unique id of the filesystem */153 __u32 sunit; /* stripe unit, fsblocks */154 __u32 swidth; /* stripe width, fsblocks */155 __s32 version; /* structure version */156 __u32 flags; /* superblock version flags */157 __u32 logsectsize; /* log sector size, bytes */158 __u32 rtsectsize; /* realtime sector size, bytes */159 __u32 dirblocksize; /* directory block size, bytes */160 __u32 logsunit; /* log stripe unit, bytes */161};162 163/*164 * Output for XFS_IOC_FSGEOMETRY165 */166struct xfs_fsop_geom {167 __u32 blocksize; /* filesystem (data) block size */168 __u32 rtextsize; /* realtime extent size */169 __u32 agblocks; /* fsblocks in an AG */170 __u32 agcount; /* number of allocation groups */171 __u32 logblocks; /* fsblocks in the log */172 __u32 sectsize; /* (data) sector size, bytes */173 __u32 inodesize; /* inode size in bytes */174 __u32 imaxpct; /* max allowed inode space(%) */175 __u64 datablocks; /* fsblocks in data subvolume */176 __u64 rtblocks; /* fsblocks in realtime subvol */177 __u64 rtextents; /* rt extents in realtime subvol*/178 __u64 logstart; /* starting fsblock of the log */179 unsigned char uuid[16]; /* unique id of the filesystem */180 __u32 sunit; /* stripe unit, fsblocks */181 __u32 swidth; /* stripe width, fsblocks */182 __s32 version; /* structure version */183 __u32 flags; /* superblock version flags */184 __u32 logsectsize; /* log sector size, bytes */185 __u32 rtsectsize; /* realtime sector size, bytes */186 __u32 dirblocksize; /* directory block size, bytes */187 __u32 logsunit; /* log stripe unit, bytes */188 uint32_t sick; /* o: unhealthy fs & rt metadata */189 uint32_t checked; /* o: checked fs & rt metadata */190 __u64 reserved[17]; /* reserved space */191};192 193#define XFS_FSOP_GEOM_SICK_COUNTERS (1 << 0) /* summary counters */194#define XFS_FSOP_GEOM_SICK_UQUOTA (1 << 1) /* user quota */195#define XFS_FSOP_GEOM_SICK_GQUOTA (1 << 2) /* group quota */196#define XFS_FSOP_GEOM_SICK_PQUOTA (1 << 3) /* project quota */197#define XFS_FSOP_GEOM_SICK_RT_BITMAP (1 << 4) /* realtime bitmap */198#define XFS_FSOP_GEOM_SICK_RT_SUMMARY (1 << 5) /* realtime summary */199#define XFS_FSOP_GEOM_SICK_QUOTACHECK (1 << 6) /* quota counts */200#define XFS_FSOP_GEOM_SICK_NLINKS (1 << 7) /* inode link counts */201 202/* Output for XFS_FS_COUNTS */203typedef struct xfs_fsop_counts {204 __u64 freedata; /* free data section blocks */205 __u64 freertx; /* free rt extents */206 __u64 freeino; /* free inodes */207 __u64 allocino; /* total allocated inodes */208} xfs_fsop_counts_t;209 210/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */211typedef struct xfs_fsop_resblks {212 __u64 resblks;213 __u64 resblks_avail;214} xfs_fsop_resblks_t;215 216#define XFS_FSOP_GEOM_VERSION 0217#define XFS_FSOP_GEOM_VERSION_V5 5218 219#define XFS_FSOP_GEOM_FLAGS_ATTR (1 << 0) /* attributes in use */220#define XFS_FSOP_GEOM_FLAGS_NLINK (1 << 1) /* 32-bit nlink values */221#define XFS_FSOP_GEOM_FLAGS_QUOTA (1 << 2) /* quotas enabled */222#define XFS_FSOP_GEOM_FLAGS_IALIGN (1 << 3) /* inode alignment */223#define XFS_FSOP_GEOM_FLAGS_DALIGN (1 << 4) /* large data alignment */224#define XFS_FSOP_GEOM_FLAGS_SHARED (1 << 5) /* read-only shared */225#define XFS_FSOP_GEOM_FLAGS_EXTFLG (1 << 6) /* special extent flag */226#define XFS_FSOP_GEOM_FLAGS_DIRV2 (1 << 7) /* directory version 2 */227#define XFS_FSOP_GEOM_FLAGS_LOGV2 (1 << 8) /* log format version 2 */228#define XFS_FSOP_GEOM_FLAGS_SECTOR (1 << 9) /* sector sizes >1BB */229#define XFS_FSOP_GEOM_FLAGS_ATTR2 (1 << 10) /* inline attributes rework */230#define XFS_FSOP_GEOM_FLAGS_PROJID32 (1 << 11) /* 32-bit project IDs */231#define XFS_FSOP_GEOM_FLAGS_DIRV2CI (1 << 12) /* ASCII only CI names */232 /* -- Do not use -- (1 << 13) SGI parent pointers */233#define XFS_FSOP_GEOM_FLAGS_LAZYSB (1 << 14) /* lazy superblock counters */234#define XFS_FSOP_GEOM_FLAGS_V5SB (1 << 15) /* version 5 superblock */235#define XFS_FSOP_GEOM_FLAGS_FTYPE (1 << 16) /* inode directory types */236#define XFS_FSOP_GEOM_FLAGS_FINOBT (1 << 17) /* free inode btree */237#define XFS_FSOP_GEOM_FLAGS_SPINODES (1 << 18) /* sparse inode chunks */238#define XFS_FSOP_GEOM_FLAGS_RMAPBT (1 << 19) /* reverse mapping btree */239#define XFS_FSOP_GEOM_FLAGS_REFLINK (1 << 20) /* files can share blocks */240#define XFS_FSOP_GEOM_FLAGS_BIGTIME (1 << 21) /* 64-bit nsec timestamps */241#define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */242#define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */243#define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */244#define XFS_FSOP_GEOM_FLAGS_PARENT (1 << 25) /* linux parent pointers */245 246/*247 * Minimum and maximum sizes need for growth checks.248 *249 * Block counts are in units of filesystem blocks, not basic blocks.250 */251#define XFS_MIN_AG_BLOCKS 64252#define XFS_MIN_LOG_BLOCKS 512ULL253#define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)254#define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)255 256/*257 * Limits on sb_agblocks/sb_agblklog -- mkfs won't format AGs smaller than258 * 16MB or larger than 1TB.259 */260#define XFS_MIN_AG_BYTES (1ULL << 24) /* 16 MB */261#define XFS_MAX_AG_BYTES (1ULL << 40) /* 1 TB */262#define XFS_MAX_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_BLOCKSIZE)263#define XFS_MAX_CRC_AG_BLOCKS (XFS_MAX_AG_BYTES / XFS_MIN_CRC_BLOCKSIZE)264 265#define XFS_MAX_AGNUMBER ((xfs_agnumber_t)(NULLAGNUMBER - 1))266 267/* keep the maximum size under 2^31 by a small amount */268#define XFS_MAX_LOG_BYTES \269 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)270 271/* Used for sanity checks on superblock */272#define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)273#define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \274 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)275 276/*277 * Output for XFS_IOC_AG_GEOMETRY278 */279struct xfs_ag_geometry {280 uint32_t ag_number; /* i/o: AG number */281 uint32_t ag_length; /* o: length in blocks */282 uint32_t ag_freeblks; /* o: free space */283 uint32_t ag_icount; /* o: inodes allocated */284 uint32_t ag_ifree; /* o: inodes free */285 uint32_t ag_sick; /* o: sick things in ag */286 uint32_t ag_checked; /* o: checked metadata in ag */287 uint32_t ag_flags; /* i/o: flags for this ag */288 uint64_t ag_reserved[12];/* o: zero */289};290#define XFS_AG_GEOM_SICK_SB (1 << 0) /* superblock */291#define XFS_AG_GEOM_SICK_AGF (1 << 1) /* AGF header */292#define XFS_AG_GEOM_SICK_AGFL (1 << 2) /* AGFL header */293#define XFS_AG_GEOM_SICK_AGI (1 << 3) /* AGI header */294#define XFS_AG_GEOM_SICK_BNOBT (1 << 4) /* free space by block */295#define XFS_AG_GEOM_SICK_CNTBT (1 << 5) /* free space by length */296#define XFS_AG_GEOM_SICK_INOBT (1 << 6) /* inode index */297#define XFS_AG_GEOM_SICK_FINOBT (1 << 7) /* free inode index */298#define XFS_AG_GEOM_SICK_RMAPBT (1 << 8) /* reverse mappings */299#define XFS_AG_GEOM_SICK_REFCNTBT (1 << 9) /* reference counts */300#define XFS_AG_GEOM_SICK_INODES (1 << 10) /* bad inodes were seen */301 302/*303 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT304 */305typedef struct xfs_growfs_data {306 __u64 newblocks; /* new data subvol size, fsblocks */307 __u32 imaxpct; /* new inode space percentage limit */308} xfs_growfs_data_t;309 310typedef struct xfs_growfs_log {311 __u32 newblocks; /* new log size, fsblocks */312 __u32 isint; /* 1 if new log is internal */313} xfs_growfs_log_t;314 315typedef struct xfs_growfs_rt {316 __u64 newblocks; /* new realtime size, fsblocks */317 __u32 extsize; /* new realtime extent size, fsblocks */318} xfs_growfs_rt_t;319 320 321/*322 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE323 */324typedef struct xfs_bstime {325 __kernel_long_t tv_sec; /* seconds */326 __s32 tv_nsec; /* and nanoseconds */327} xfs_bstime_t;328 329struct xfs_bstat {330 __u64 bs_ino; /* inode number */331 __u16 bs_mode; /* type and mode */332 __u16 bs_nlink; /* number of links */333 __u32 bs_uid; /* user id */334 __u32 bs_gid; /* group id */335 __u32 bs_rdev; /* device value */336 __s32 bs_blksize; /* block size */337 __s64 bs_size; /* file size */338 xfs_bstime_t bs_atime; /* access time */339 xfs_bstime_t bs_mtime; /* modify time */340 xfs_bstime_t bs_ctime; /* inode change time */341 int64_t bs_blocks; /* number of blocks */342 __u32 bs_xflags; /* extended flags */343 __s32 bs_extsize; /* extent size */344 __s32 bs_extents; /* number of extents */345 __u32 bs_gen; /* generation count */346 __u16 bs_projid_lo; /* lower part of project id */347#define bs_projid bs_projid_lo /* (previously just bs_projid) */348 __u16 bs_forkoff; /* inode fork offset in bytes */349 __u16 bs_projid_hi; /* higher part of project id */350 uint16_t bs_sick; /* sick inode metadata */351 uint16_t bs_checked; /* checked inode metadata */352 unsigned char bs_pad[2]; /* pad space, unused */353 __u32 bs_cowextsize; /* cow extent size */354 __u32 bs_dmevmask; /* DMIG event mask */355 __u16 bs_dmstate; /* DMIG state info */356 __u16 bs_aextents; /* attribute number of extents */357};358 359/* New bulkstat structure that reports v5 features and fixes padding issues */360struct xfs_bulkstat {361 uint64_t bs_ino; /* inode number */362 uint64_t bs_size; /* file size */363 364 uint64_t bs_blocks; /* number of blocks */365 uint64_t bs_xflags; /* extended flags */366 367 int64_t bs_atime; /* access time, seconds */368 int64_t bs_mtime; /* modify time, seconds */369 370 int64_t bs_ctime; /* inode change time, seconds */371 int64_t bs_btime; /* creation time, seconds */372 373 uint32_t bs_gen; /* generation count */374 uint32_t bs_uid; /* user id */375 uint32_t bs_gid; /* group id */376 uint32_t bs_projectid; /* project id */377 378 uint32_t bs_atime_nsec; /* access time, nanoseconds */379 uint32_t bs_mtime_nsec; /* modify time, nanoseconds */380 uint32_t bs_ctime_nsec; /* inode change time, nanoseconds */381 uint32_t bs_btime_nsec; /* creation time, nanoseconds */382 383 uint32_t bs_blksize; /* block size */384 uint32_t bs_rdev; /* device value */385 uint32_t bs_cowextsize_blks; /* cow extent size hint, blocks */386 uint32_t bs_extsize_blks; /* extent size hint, blocks */387 388 uint32_t bs_nlink; /* number of links */389 uint32_t bs_extents; /* 32-bit data fork extent counter */390 uint32_t bs_aextents; /* attribute number of extents */391 uint16_t bs_version; /* structure version */392 uint16_t bs_forkoff; /* inode fork offset in bytes */393 394 uint16_t bs_sick; /* sick inode metadata */395 uint16_t bs_checked; /* checked inode metadata */396 uint16_t bs_mode; /* type and mode */397 uint16_t bs_pad2; /* zeroed */398 uint64_t bs_extents64; /* 64-bit data fork extent counter */399 400 uint64_t bs_pad[6]; /* zeroed */401};402 403#define XFS_BULKSTAT_VERSION_V1 (1)404#define XFS_BULKSTAT_VERSION_V5 (5)405 406/* bs_sick flags */407#define XFS_BS_SICK_INODE (1 << 0) /* inode core */408#define XFS_BS_SICK_BMBTD (1 << 1) /* data fork */409#define XFS_BS_SICK_BMBTA (1 << 2) /* attr fork */410#define XFS_BS_SICK_BMBTC (1 << 3) /* cow fork */411#define XFS_BS_SICK_DIR (1 << 4) /* directory */412#define XFS_BS_SICK_XATTR (1 << 5) /* extended attributes */413#define XFS_BS_SICK_SYMLINK (1 << 6) /* symbolic link remote target */414#define XFS_BS_SICK_PARENT (1 << 7) /* parent pointers */415#define XFS_BS_SICK_DIRTREE (1 << 8) /* directory tree structure */416 417/*418 * Project quota id helpers (previously projid was 16bit only419 * and using two 16bit values to hold new 32bit projid was chosen420 * to retain compatibility with "old" filesystems).421 */422static inline uint32_t423bstat_get_projid(const struct xfs_bstat *bs)424{425 return (uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;426}427 428/*429 * The user-level BulkStat Request interface structure.430 */431struct xfs_fsop_bulkreq {432 __u64 __user *lastip; /* last inode # pointer */433 __s32 icount; /* count of entries in buffer */434 void __user *ubuffer;/* user buffer for inode desc. */435 __s32 __user *ocount; /* output count pointer */436};437 438/*439 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).440 */441struct xfs_inogrp {442 __u64 xi_startino; /* starting inode number */443 __s32 xi_alloccount; /* # bits set in allocmask */444 __u64 xi_allocmask; /* mask of allocated inodes */445};446 447/* New inumbers structure that reports v5 features and fixes padding issues */448struct xfs_inumbers {449 uint64_t xi_startino; /* starting inode number */450 uint64_t xi_allocmask; /* mask of allocated inodes */451 uint8_t xi_alloccount; /* # bits set in allocmask */452 uint8_t xi_version; /* version */453 uint8_t xi_padding[6]; /* zero */454};455 456#define XFS_INUMBERS_VERSION_V1 (1)457#define XFS_INUMBERS_VERSION_V5 (5)458 459/* Header for bulk inode requests. */460struct xfs_bulk_ireq {461 uint64_t ino; /* I/O: start with this inode */462 uint32_t flags; /* I/O: operation flags */463 uint32_t icount; /* I: count of entries in buffer */464 uint32_t ocount; /* O: count of entries filled out */465 uint32_t agno; /* I: see comment for IREQ_AGNO */466 uint64_t reserved[5]; /* must be zero */467};468 469/*470 * Only return results from the specified @agno. If @ino is zero, start471 * with the first inode of @agno.472 */473#define XFS_BULK_IREQ_AGNO (1U << 0)474 475/*476 * Return bulkstat information for a single inode, where @ino value is a477 * special value, not a literal inode number. See the XFS_BULK_IREQ_SPECIAL_*478 * values below. Not compatible with XFS_BULK_IREQ_AGNO.479 */480#define XFS_BULK_IREQ_SPECIAL (1U << 1)481 482/*483 * Return data fork extent count via xfs_bulkstat->bs_extents64 field and assign484 * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use485 * xfs_bulkstat->bs_extents for returning data fork extent count and set486 * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and487 * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than488 * XFS_MAX_EXTCNT_DATA_FORK_OLD.489 */490#define XFS_BULK_IREQ_NREXT64 (1U << 2)491 492#define XFS_BULK_IREQ_FLAGS_ALL (XFS_BULK_IREQ_AGNO | \493 XFS_BULK_IREQ_SPECIAL | \494 XFS_BULK_IREQ_NREXT64)495 496/* Operate on the root directory inode. */497#define XFS_BULK_IREQ_SPECIAL_ROOT (1)498 499/*500 * ioctl structures for v5 bulkstat and inumbers requests501 */502struct xfs_bulkstat_req {503 struct xfs_bulk_ireq hdr;504 struct xfs_bulkstat bulkstat[];505};506#define XFS_BULKSTAT_REQ_SIZE(nr) (sizeof(struct xfs_bulkstat_req) + \507 (nr) * sizeof(struct xfs_bulkstat))508 509struct xfs_inumbers_req {510 struct xfs_bulk_ireq hdr;511 struct xfs_inumbers inumbers[];512};513#define XFS_INUMBERS_REQ_SIZE(nr) (sizeof(struct xfs_inumbers_req) + \514 (nr) * sizeof(struct xfs_inumbers))515 516/*517 * Error injection.518 */519typedef struct xfs_error_injection {520 __s32 fd;521 __s32 errtag;522} xfs_error_injection_t;523 524 525/*526 * Speculative preallocation trimming.527 */528#define XFS_EOFBLOCKS_VERSION 1529struct xfs_fs_eofblocks {530 __u32 eof_version;531 __u32 eof_flags;532 uid_t eof_uid;533 gid_t eof_gid;534 prid_t eof_prid;535 __u32 pad32;536 __u64 eof_min_file_size;537 __u64 pad64[12];538};539 540/* eof_flags values */541#define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */542#define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */543#define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */544#define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */545#define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */546#define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;547 * kernel only, not included in548 * valid mask */549#define XFS_EOF_FLAGS_VALID \550 (XFS_EOF_FLAGS_SYNC | \551 XFS_EOF_FLAGS_UID | \552 XFS_EOF_FLAGS_GID | \553 XFS_EOF_FLAGS_PRID | \554 XFS_EOF_FLAGS_MINFILESIZE)555 556 557/*558 * The user-level Handle Request interface structure.559 */560typedef struct xfs_fsop_handlereq {561 __u32 fd; /* fd for FD_TO_HANDLE */562 void __user *path; /* user pathname */563 __u32 oflags; /* open flags */564 void __user *ihandle;/* user supplied handle */565 __u32 ihandlen; /* user supplied length */566 void __user *ohandle;/* user buffer for handle */567 __u32 __user *ohandlen;/* user buffer length */568} xfs_fsop_handlereq_t;569 570/*571 * Compound structures for passing args through Handle Request interfaces572 * xfs_attrlist_by_handle, xfs_attrmulti_by_handle573 * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE574 */575 576/*577 * Flags passed in xfs_attr_multiop.am_flags for the attr ioctl interface.578 *579 * NOTE: Must match the values declared in libattr without the XFS_IOC_ prefix.580 */581#define XFS_IOC_ATTR_ROOT 0x0002 /* use attrs in root namespace */582#define XFS_IOC_ATTR_SECURE 0x0008 /* use attrs in security namespace */583#define XFS_IOC_ATTR_CREATE 0x0010 /* fail if attr already exists */584#define XFS_IOC_ATTR_REPLACE 0x0020 /* fail if attr does not exist */585 586typedef struct xfs_attrlist_cursor {587 __u32 opaque[4];588} xfs_attrlist_cursor_t;589 590/*591 * Define how lists of attribute names are returned to userspace from the592 * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the593 * beginning of the returned buffer, and a each entry in al_offset contains the594 * relative offset of an xfs_attrlist_ent containing the actual entry.595 *596 * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and597 * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr.598 */599struct xfs_attrlist {600 __s32 al_count; /* number of entries in attrlist */601 __s32 al_more; /* T/F: more attrs (do call again) */602 __s32 al_offset[]; /* byte offsets of attrs [var-sized] */603};604 605struct xfs_attrlist_ent { /* data from attr_list() */606 __u32 a_valuelen; /* number bytes in value of attr */607 char a_name[]; /* attr name (NULL terminated) */608};609 610typedef struct xfs_fsop_attrlist_handlereq {611 struct xfs_fsop_handlereq hreq; /* handle interface structure */612 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */613 __u32 flags; /* which namespace to use */614 __u32 buflen; /* length of buffer supplied */615 void __user *buffer; /* returned names */616} xfs_fsop_attrlist_handlereq_t;617 618typedef struct xfs_attr_multiop {619 __u32 am_opcode;620#define ATTR_OP_GET 1 /* return the indicated attr's value */621#define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */622#define ATTR_OP_REMOVE 3 /* remove the indicated attr */623 __s32 am_error;624 void __user *am_attrname;625 void __user *am_attrvalue;626 __u32 am_length;627 __u32 am_flags; /* XFS_IOC_ATTR_* */628} xfs_attr_multiop_t;629 630typedef struct xfs_fsop_attrmulti_handlereq {631 struct xfs_fsop_handlereq hreq; /* handle interface structure */632 __u32 opcount;/* count of following multiop */633 struct xfs_attr_multiop __user *ops; /* attr_multi data */634} xfs_fsop_attrmulti_handlereq_t;635 636/*637 * per machine unique filesystem identifier types.638 */639typedef struct xfs_fsid {640 __u32 val[2]; /* file system id type */641} xfs_fsid_t;642 643typedef struct xfs_fid {644 __u16 fid_len; /* length of remainder */645 __u16 fid_pad;646 __u32 fid_gen; /* generation number */647 __u64 fid_ino; /* 64 bits inode number */648} xfs_fid_t;649 650typedef struct xfs_handle {651 union {652 __s64 align; /* force alignment of ha_fid */653 xfs_fsid_t _ha_fsid; /* unique file system identifier */654 } ha_u;655 xfs_fid_t ha_fid; /* file system specific file ID */656} xfs_handle_t;657#define ha_fsid ha_u._ha_fsid658 659/*660 * Structure passed to XFS_IOC_SWAPEXT661 */662typedef struct xfs_swapext663{664 int64_t sx_version; /* version */665#define XFS_SX_VERSION 0666 int64_t sx_fdtarget; /* fd of target file */667 int64_t sx_fdtmp; /* fd of tmp file */668 xfs_off_t sx_offset; /* offset into file */669 xfs_off_t sx_length; /* leng from offset */670 char sx_pad[16]; /* pad space, unused */671 struct xfs_bstat sx_stat; /* stat of target b4 copy */672} xfs_swapext_t;673 674/*675 * Flags for going down operation676 */677#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */678#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */679#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */680 681/* metadata scrubbing */682struct xfs_scrub_metadata {683 __u32 sm_type; /* What to check? */684 __u32 sm_flags; /* flags; see below. */685 __u64 sm_ino; /* inode number. */686 __u32 sm_gen; /* inode generation. */687 __u32 sm_agno; /* ag number. */688 __u64 sm_reserved[5]; /* pad to 64 bytes */689};690 691/*692 * Metadata types and flags for scrub operation.693 */694 695/* Scrub subcommands. */696#define XFS_SCRUB_TYPE_PROBE 0 /* presence test ioctl */697#define XFS_SCRUB_TYPE_SB 1 /* superblock */698#define XFS_SCRUB_TYPE_AGF 2 /* AG free header */699#define XFS_SCRUB_TYPE_AGFL 3 /* AG free list */700#define XFS_SCRUB_TYPE_AGI 4 /* AG inode header */701#define XFS_SCRUB_TYPE_BNOBT 5 /* freesp by block btree */702#define XFS_SCRUB_TYPE_CNTBT 6 /* freesp by length btree */703#define XFS_SCRUB_TYPE_INOBT 7 /* inode btree */704#define XFS_SCRUB_TYPE_FINOBT 8 /* free inode btree */705#define XFS_SCRUB_TYPE_RMAPBT 9 /* reverse mapping btree */706#define XFS_SCRUB_TYPE_REFCNTBT 10 /* reference count btree */707#define XFS_SCRUB_TYPE_INODE 11 /* inode record */708#define XFS_SCRUB_TYPE_BMBTD 12 /* data fork block mapping */709#define XFS_SCRUB_TYPE_BMBTA 13 /* attr fork block mapping */710#define XFS_SCRUB_TYPE_BMBTC 14 /* CoW fork block mapping */711#define XFS_SCRUB_TYPE_DIR 15 /* directory */712#define XFS_SCRUB_TYPE_XATTR 16 /* extended attribute */713#define XFS_SCRUB_TYPE_SYMLINK 17 /* symbolic link */714#define XFS_SCRUB_TYPE_PARENT 18 /* parent pointers */715#define XFS_SCRUB_TYPE_RTBITMAP 19 /* realtime bitmap */716#define XFS_SCRUB_TYPE_RTSUM 20 /* realtime summary */717#define XFS_SCRUB_TYPE_UQUOTA 21 /* user quotas */718#define XFS_SCRUB_TYPE_GQUOTA 22 /* group quotas */719#define XFS_SCRUB_TYPE_PQUOTA 23 /* project quotas */720#define XFS_SCRUB_TYPE_FSCOUNTERS 24 /* fs summary counters */721#define XFS_SCRUB_TYPE_QUOTACHECK 25 /* quota counters */722#define XFS_SCRUB_TYPE_NLINKS 26 /* inode link counts */723#define XFS_SCRUB_TYPE_HEALTHY 27 /* everything checked out ok */724#define XFS_SCRUB_TYPE_DIRTREE 28 /* directory tree structure */725 726/* Number of scrub subcommands. */727#define XFS_SCRUB_TYPE_NR 29728 729/*730 * This special type code only applies to the vectored scrub implementation.731 *732 * If any of the previous scrub vectors recorded runtime errors or have733 * sv_flags bits set that match the OFLAG bits in the barrier vector's734 * sv_flags, set the barrier's sv_ret to -ECANCELED and return to userspace.735 */736#define XFS_SCRUB_TYPE_BARRIER (0xFFFFFFFF)737 738/* i: Repair this metadata. */739#define XFS_SCRUB_IFLAG_REPAIR (1u << 0)740 741/* o: Metadata object needs repair. */742#define XFS_SCRUB_OFLAG_CORRUPT (1u << 1)743 744/*745 * o: Metadata object could be optimized. It's not corrupt, but746 * we could improve on it somehow.747 */748#define XFS_SCRUB_OFLAG_PREEN (1u << 2)749 750/* o: Cross-referencing failed. */751#define XFS_SCRUB_OFLAG_XFAIL (1u << 3)752 753/* o: Metadata object disagrees with cross-referenced metadata. */754#define XFS_SCRUB_OFLAG_XCORRUPT (1u << 4)755 756/* o: Scan was not complete. */757#define XFS_SCRUB_OFLAG_INCOMPLETE (1u << 5)758 759/* o: Metadata object looked funny but isn't corrupt. */760#define XFS_SCRUB_OFLAG_WARNING (1u << 6)761 762/*763 * o: IFLAG_REPAIR was set but metadata object did not need fixing or764 * optimization and has therefore not been altered.765 */766#define XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED (1u << 7)767 768/* i: Rebuild the data structure. */769#define XFS_SCRUB_IFLAG_FORCE_REBUILD (1u << 8)770 771#define XFS_SCRUB_FLAGS_IN (XFS_SCRUB_IFLAG_REPAIR | \772 XFS_SCRUB_IFLAG_FORCE_REBUILD)773#define XFS_SCRUB_FLAGS_OUT (XFS_SCRUB_OFLAG_CORRUPT | \774 XFS_SCRUB_OFLAG_PREEN | \775 XFS_SCRUB_OFLAG_XFAIL | \776 XFS_SCRUB_OFLAG_XCORRUPT | \777 XFS_SCRUB_OFLAG_INCOMPLETE | \778 XFS_SCRUB_OFLAG_WARNING | \779 XFS_SCRUB_OFLAG_NO_REPAIR_NEEDED)780#define XFS_SCRUB_FLAGS_ALL (XFS_SCRUB_FLAGS_IN | XFS_SCRUB_FLAGS_OUT)781 782/* Vectored scrub calls to reduce the number of kernel transitions. */783 784struct xfs_scrub_vec {785 __u32 sv_type; /* XFS_SCRUB_TYPE_* */786 __u32 sv_flags; /* XFS_SCRUB_FLAGS_* */787 __s32 sv_ret; /* 0 or a negative error code */788 __u32 sv_reserved; /* must be zero */789};790 791/* Vectored metadata scrub control structure. */792struct xfs_scrub_vec_head {793 __u64 svh_ino; /* inode number. */794 __u32 svh_gen; /* inode generation. */795 __u32 svh_agno; /* ag number. */796 __u32 svh_flags; /* XFS_SCRUB_VEC_FLAGS_* */797 __u16 svh_rest_us; /* wait this much time between vector items */798 __u16 svh_nr; /* number of svh_vectors */799 __u64 svh_reserved; /* must be zero */800 __u64 svh_vectors; /* pointer to buffer of xfs_scrub_vec */801};802 803#define XFS_SCRUB_VEC_FLAGS_ALL (0)804 805/*806 * ioctl limits807 */808#ifdef XATTR_LIST_MAX809# define XFS_XATTR_LIST_MAX XATTR_LIST_MAX810#else811# define XFS_XATTR_LIST_MAX 65536812#endif813 814/*815 * Exchange part of file1 with part of the file that this ioctl that is being816 * called against (which we'll call file2). Filesystems must be able to817 * restart and complete the operation even after the system goes down.818 */819struct xfs_exchange_range {820 __s32 file1_fd;821 __u32 pad; /* must be zeroes */822 __u64 file1_offset; /* file1 offset, bytes */823 __u64 file2_offset; /* file2 offset, bytes */824 __u64 length; /* bytes to exchange */825 826 __u64 flags; /* see XFS_EXCHANGE_RANGE_* below */827};828 829/*830 * Using the same definition of file2 as struct xfs_exchange_range, commit the831 * contents of file1 into file2 if file2 has the same inode number, mtime, and832 * ctime as the arguments provided to the call. The old contents of file2 will833 * be moved to file1.834 *835 * Returns -EBUSY if there isn't an exact match for the file2 fields.836 *837 * Filesystems must be able to restart and complete the operation even after838 * the system goes down.839 */840struct xfs_commit_range {841 __s32 file1_fd;842 __u32 pad; /* must be zeroes */843 __u64 file1_offset; /* file1 offset, bytes */844 __u64 file2_offset; /* file2 offset, bytes */845 __u64 length; /* bytes to exchange */846 847 __u64 flags; /* see XFS_EXCHANGE_RANGE_* below */848 849 /* opaque file2 metadata for freshness checks */850 __u64 file2_freshness[6];851};852 853/*854 * Exchange file data all the way to the ends of both files, and then exchange855 * the file sizes. This flag can be used to replace a file's contents with a856 * different amount of data. length will be ignored.857 */858#define XFS_EXCHANGE_RANGE_TO_EOF (1ULL << 0)859 860/* Flush all changes in file data and file metadata to disk before returning. */861#define XFS_EXCHANGE_RANGE_DSYNC (1ULL << 1)862 863/* Dry run; do all the parameter verification but do not change anything. */864#define XFS_EXCHANGE_RANGE_DRY_RUN (1ULL << 2)865 866/*867 * Exchange only the parts of the two files where the file allocation units868 * mapped to file1's range have been written to. This can accelerate869 * scatter-gather atomic writes with a temp file if all writes are aligned to870 * the file allocation unit.871 */872#define XFS_EXCHANGE_RANGE_FILE1_WRITTEN (1ULL << 3)873 874#define XFS_EXCHANGE_RANGE_ALL_FLAGS (XFS_EXCHANGE_RANGE_TO_EOF | \875 XFS_EXCHANGE_RANGE_DSYNC | \876 XFS_EXCHANGE_RANGE_DRY_RUN | \877 XFS_EXCHANGE_RANGE_FILE1_WRITTEN)878 879/* Iterating parent pointers of files. */880 881/* target was the root directory */882#define XFS_GETPARENTS_OFLAG_ROOT (1U << 0)883 884/* Cursor is done iterating pptrs */885#define XFS_GETPARENTS_OFLAG_DONE (1U << 1)886 887#define XFS_GETPARENTS_OFLAGS_ALL (XFS_GETPARENTS_OFLAG_ROOT | \888 XFS_GETPARENTS_OFLAG_DONE)889 890#define XFS_GETPARENTS_IFLAGS_ALL (0)891 892struct xfs_getparents_rec {893 struct xfs_handle gpr_parent; /* Handle to parent */894 __u32 gpr_reclen; /* Length of entire record */895 __u32 gpr_reserved; /* zero */896 char gpr_name[]; /* Null-terminated filename */897};898 899/* Iterate through this file's directory parent pointers */900struct xfs_getparents {901 /*902 * Structure to track progress in iterating the parent pointers.903 * Must be initialized to zeroes before the first ioctl call, and904 * not touched by callers after that.905 */906 struct xfs_attrlist_cursor gp_cursor;907 908 /* Input flags: XFS_GETPARENTS_IFLAG* */909 __u16 gp_iflags;910 911 /* Output flags: XFS_GETPARENTS_OFLAG* */912 __u16 gp_oflags;913 914 /* Size of the gp_buffer in bytes */915 __u32 gp_bufsize;916 917 /* Must be set to zero */918 __u64 gp_reserved;919 920 /* Pointer to a buffer in which to place xfs_getparents_rec */921 __u64 gp_buffer;922};923 924static inline struct xfs_getparents_rec *925xfs_getparents_first_rec(struct xfs_getparents *gp)926{927 return (struct xfs_getparents_rec *)(uintptr_t)gp->gp_buffer;928}929 930static inline struct xfs_getparents_rec *931xfs_getparents_next_rec(struct xfs_getparents *gp,932 struct xfs_getparents_rec *gpr)933{934 void *next = ((char *)gpr + gpr->gpr_reclen);935 void *end = (void *)(uintptr_t)(gp->gp_buffer + gp->gp_bufsize);936 937 if (next >= end)938 return NULL;939 940 return (struct xfs_getparents_rec *)next;941}942 943/* Iterate through this file handle's directory parent pointers. */944struct xfs_getparents_by_handle {945 /* Handle to file whose parents we want. */946 struct xfs_handle gph_handle;947 948 struct xfs_getparents gph_request;949};950 951/*952 * ioctl commands that are used by Linux filesystems953 */954#define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS955#define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS956#define XFS_IOC_GETVERSION FS_IOC_GETVERSION957 958/*959 * ioctl commands that replace IRIX fcntl()'s960 * For 'documentation' purposed more than anything else,961 * the "cmd #" field reflects the IRIX fcntl number.962 */963/* XFS_IOC_ALLOCSP ------- deprecated 10 */964/* XFS_IOC_FREESP -------- deprecated 11 */965#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)966#define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR967#define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR968/* XFS_IOC_ALLOCSP64 ----- deprecated 36 */969/* XFS_IOC_FREESP64 ------ deprecated 37 */970#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)971/* XFS_IOC_FSSETDM ------- deprecated 39 */972#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)973#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)974#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)975#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)976#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)977#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)978/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */979/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */980#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)981#define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)982#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)983/* XFS_IOC_GETFSMAP ------ hoisted 59 */984#define XFS_IOC_SCRUB_METADATA _IOWR('X', 60, struct xfs_scrub_metadata)985#define XFS_IOC_AG_GEOMETRY _IOWR('X', 61, struct xfs_ag_geometry)986#define XFS_IOC_GETPARENTS _IOWR('X', 62, struct xfs_getparents)987#define XFS_IOC_GETPARENTS_BY_HANDLE _IOWR('X', 63, struct xfs_getparents_by_handle)988#define XFS_IOC_SCRUBV_METADATA _IOWR('X', 64, struct xfs_scrub_vec_head)989 990/*991 * ioctl commands that replace IRIX syssgi()'s992 */993#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)994#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)995#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)996#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)997#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)998#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)999#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)1000#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)1001#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)1002#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)1003#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)1004#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)1005#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)1006#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)1007#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)1008#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)1009#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)1010#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)1011/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */1012 1013#define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */1014#define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */1015 1016/* XFS_IOC_FSSETDM_BY_HANDLE -- deprecated 121 */1017#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)1018#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)1019#define XFS_IOC_FSGEOMETRY_V4 _IOR ('X', 124, struct xfs_fsop_geom_v4)1020#define XFS_IOC_GOINGDOWN _IOR ('X', 125, uint32_t)1021#define XFS_IOC_FSGEOMETRY _IOR ('X', 126, struct xfs_fsop_geom)1022#define XFS_IOC_BULKSTAT _IOR ('X', 127, struct xfs_bulkstat_req)1023#define XFS_IOC_INUMBERS _IOR ('X', 128, struct xfs_inumbers_req)1024#define XFS_IOC_EXCHANGE_RANGE _IOW ('X', 129, struct xfs_exchange_range)1025#define XFS_IOC_START_COMMIT _IOR ('X', 130, struct xfs_commit_range)1026#define XFS_IOC_COMMIT_RANGE _IOW ('X', 131, struct xfs_commit_range)1027/* XFS_IOC_GETFSUUID ---------- deprecated 140 */1028 1029 1030#ifndef HAVE_BBMACROS1031/*1032 * Block I/O parameterization. A basic block (BB) is the lowest size of1033 * filesystem allocation, and must equal 512. Length units given to bio1034 * routines are in BB's.1035 */1036#define BBSHIFT 91037#define BBSIZE (1<<BBSHIFT)1038#define BBMASK (BBSIZE-1)1039#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)1040#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)1041#define BBTOB(bbs) ((bbs) << BBSHIFT)1042#endif1043 1044#endif /* __XFS_FS_H__ */1045