1 /* 2 * Copyright (c) 1995-2005 Silicon Graphics, Inc. 3 * All Rights Reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public License 7 * as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 #ifndef __XFS_FS_H__ 19 #define __XFS_FS_H__ 20 21 /* 22 * SGI's XFS filesystem's major stuff (constants, structures) 23 */ 24 25 /* 26 * Direct I/O attribute record used with XFS_IOC_DIOINFO 27 * d_miniosz is the min xfer size, xfer size multiple and file seek offset 28 * alignment. 29 */ 30 #ifndef HAVE_DIOATTR 31 struct dioattr { 32 __u32 d_mem; /* data buffer memory alignment */ 33 __u32 d_miniosz; /* min xfer size */ 34 __u32 d_maxiosz; /* max xfer size */ 35 }; 36 #endif 37 38 /* 39 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR. 40 */ 41 #ifndef HAVE_FSXATTR 42 struct fsxattr { 43 __u32 fsx_xflags; /* xflags field value (get/set) */ 44 __u32 fsx_extsize; /* extsize field value (get/set)*/ 45 __u32 fsx_nextents; /* nextents field value (get) */ 46 __u32 fsx_projid; /* project identifier (get/set) */ 47 unsigned char fsx_pad[12]; 48 }; 49 #endif 50 51 /* 52 * Flags for the bs_xflags/fsx_xflags field 53 * There should be a one-to-one correspondence between these flags and the 54 * XFS_DIFLAG_s. 55 */ 56 #define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */ 57 #define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */ 58 #define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */ 59 #define XFS_XFLAG_APPEND 0x00000010 /* all writes append */ 60 #define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */ 61 #define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */ 62 #define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */ 63 #define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */ 64 #define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */ 65 #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */ 66 #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */ 67 #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */ 68 #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ 69 #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ 70 #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ 71 72 /* 73 * Structure for XFS_IOC_GETBMAP. 74 * On input, fill in bmv_offset and bmv_length of the first structure 75 * to indicate the area of interest in the file, and bmv_entries with 76 * the number of array elements given back. The first structure is 77 * updated on return to give the offset and length for the next call. 78 */ 79 #ifndef HAVE_GETBMAP 80 struct getbmap { 81 __s64 bmv_offset; /* file offset of segment in blocks */ 82 __s64 bmv_block; /* starting block (64-bit daddr_t) */ 83 __s64 bmv_length; /* length of segment, blocks */ 84 __s32 bmv_count; /* # of entries in array incl. 1st */ 85 __s32 bmv_entries; /* # of entries filled in (output) */ 86 }; 87 #endif 88 89 /* 90 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries 91 * are used exactly as in the getbmap structure. The getbmapx structure 92 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field 93 * is only used for the first structure. It contains input flags 94 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled 95 * in by the XFS_IOC_GETBMAPX command for each returned structure after 96 * the first. 97 */ 98 #ifndef HAVE_GETBMAPX 99 struct getbmapx { 100 __s64 bmv_offset; /* file offset of segment in blocks */ 101 __s64 bmv_block; /* starting block (64-bit daddr_t) */ 102 __s64 bmv_length; /* length of segment, blocks */ 103 __s32 bmv_count; /* # of entries in array incl. 1st */ 104 __s32 bmv_entries; /* # of entries filled in (output). */ 105 __s32 bmv_iflags; /* input flags (1st structure) */ 106 __s32 bmv_oflags; /* output flags (after 1st structure)*/ 107 __s32 bmv_unused1; /* future use */ 108 __s32 bmv_unused2; /* future use */ 109 }; 110 #endif 111 112 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ 113 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ 114 #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ 115 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ 116 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ 117 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ 118 #define BMV_IF_VALID \ 119 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ 120 BMV_IF_DELALLOC|BMV_IF_NO_HOLES) 121 122 /* bmv_oflags values - returned for each non-header segment */ 123 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ 124 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ 125 #define BMV_OF_LAST 0x4 /* segment is the last in the file */ 126 127 /* 128 * Structure for XFS_IOC_FSSETDM. 129 * For use by backup and restore programs to set the XFS on-disk inode 130 * fields di_dmevmask and di_dmstate. These must be set to exactly and 131 * only values previously obtained via xfs_bulkstat! (Specifically the 132 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) 133 */ 134 #ifndef HAVE_FSDMIDATA 135 struct fsdmidata { 136 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ 137 __u16 fsd_padding; 138 __u16 fsd_dmstate; /* corresponds to di_dmstate */ 139 }; 140 #endif 141 142 /* 143 * File segment locking set data type for 64 bit access. 144 * Also used for all the RESV/FREE interfaces. 145 */ 146 typedef struct xfs_flock64 { 147 __s16 l_type; 148 __s16 l_whence; 149 __s64 l_start; 150 __s64 l_len; /* len == 0 means until end of file */ 151 __s32 l_sysid; 152 __u32 l_pid; 153 __s32 l_pad[4]; /* reserve area */ 154 } xfs_flock64_t; 155 156 /* 157 * Output for XFS_IOC_FSGEOMETRY_V1 158 */ 159 typedef struct xfs_fsop_geom_v1 { 160 __u32 blocksize; /* filesystem (data) block size */ 161 __u32 rtextsize; /* realtime extent size */ 162 __u32 agblocks; /* fsblocks in an AG */ 163 __u32 agcount; /* number of allocation groups */ 164 __u32 logblocks; /* fsblocks in the log */ 165 __u32 sectsize; /* (data) sector size, bytes */ 166 __u32 inodesize; /* inode size in bytes */ 167 __u32 imaxpct; /* max allowed inode space(%) */ 168 __u64 datablocks; /* fsblocks in data subvolume */ 169 __u64 rtblocks; /* fsblocks in realtime subvol */ 170 __u64 rtextents; /* rt extents in realtime subvol*/ 171 __u64 logstart; /* starting fsblock of the log */ 172 unsigned char uuid[16]; /* unique id of the filesystem */ 173 __u32 sunit; /* stripe unit, fsblocks */ 174 __u32 swidth; /* stripe width, fsblocks */ 175 __s32 version; /* structure version */ 176 __u32 flags; /* superblock version flags */ 177 __u32 logsectsize; /* log sector size, bytes */ 178 __u32 rtsectsize; /* realtime sector size, bytes */ 179 __u32 dirblocksize; /* directory block size, bytes */ 180 } xfs_fsop_geom_v1_t; 181 182 /* 183 * Output for XFS_IOC_FSGEOMETRY 184 */ 185 typedef struct xfs_fsop_geom { 186 __u32 blocksize; /* filesystem (data) block size */ 187 __u32 rtextsize; /* realtime extent size */ 188 __u32 agblocks; /* fsblocks in an AG */ 189 __u32 agcount; /* number of allocation groups */ 190 __u32 logblocks; /* fsblocks in the log */ 191 __u32 sectsize; /* (data) sector size, bytes */ 192 __u32 inodesize; /* inode size in bytes */ 193 __u32 imaxpct; /* max allowed inode space(%) */ 194 __u64 datablocks; /* fsblocks in data subvolume */ 195 __u64 rtblocks; /* fsblocks in realtime subvol */ 196 __u64 rtextents; /* rt extents in realtime subvol*/ 197 __u64 logstart; /* starting fsblock of the log */ 198 unsigned char uuid[16]; /* unique id of the filesystem */ 199 __u32 sunit; /* stripe unit, fsblocks */ 200 __u32 swidth; /* stripe width, fsblocks */ 201 __s32 version; /* structure version */ 202 __u32 flags; /* superblock version flags */ 203 __u32 logsectsize; /* log sector size, bytes */ 204 __u32 rtsectsize; /* realtime sector size, bytes */ 205 __u32 dirblocksize; /* directory block size, bytes */ 206 __u32 logsunit; /* log stripe unit, bytes */ 207 } xfs_fsop_geom_t; 208 209 /* Output for XFS_FS_COUNTS */ 210 typedef struct xfs_fsop_counts { 211 __u64 freedata; /* free data section blocks */ 212 __u64 freertx; /* free rt extents */ 213 __u64 freeino; /* free inodes */ 214 __u64 allocino; /* total allocated inodes */ 215 } xfs_fsop_counts_t; 216 217 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ 218 typedef struct xfs_fsop_resblks { 219 __u64 resblks; 220 __u64 resblks_avail; 221 } xfs_fsop_resblks_t; 222 223 #define XFS_FSOP_GEOM_VERSION 0 224 225 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ 226 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ 227 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ 228 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ 229 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ 230 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ 231 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ 232 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ 233 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ 234 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ 235 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ 236 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ 237 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ 238 239 240 /* 241 * Minimum and maximum sizes need for growth checks 242 */ 243 #define XFS_MIN_AG_BLOCKS 64 244 #define XFS_MIN_LOG_BLOCKS 512ULL 245 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) 246 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) 247 248 /* keep the maximum size under 2^31 by a small amount */ 249 #define XFS_MAX_LOG_BYTES \ 250 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 251 252 /* Used for sanity checks on superblock */ 253 #define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks) 254 #define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) * \ 255 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 256 257 /* 258 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 259 */ 260 typedef struct xfs_growfs_data { 261 __u64 newblocks; /* new data subvol size, fsblocks */ 262 __u32 imaxpct; /* new inode space percentage limit */ 263 } xfs_growfs_data_t; 264 265 typedef struct xfs_growfs_log { 266 __u32 newblocks; /* new log size, fsblocks */ 267 __u32 isint; /* 1 if new log is internal */ 268 } xfs_growfs_log_t; 269 270 typedef struct xfs_growfs_rt { 271 __u64 newblocks; /* new realtime size, fsblocks */ 272 __u32 extsize; /* new realtime extent size, fsblocks */ 273 } xfs_growfs_rt_t; 274 275 276 /* 277 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 278 */ 279 typedef struct xfs_bstime { 280 time_t tv_sec; /* seconds */ 281 __s32 tv_nsec; /* and nanoseconds */ 282 } xfs_bstime_t; 283 284 typedef struct xfs_bstat { 285 __u64 bs_ino; /* inode number */ 286 __u16 bs_mode; /* type and mode */ 287 __u16 bs_nlink; /* number of links */ 288 __u32 bs_uid; /* user id */ 289 __u32 bs_gid; /* group id */ 290 __u32 bs_rdev; /* device value */ 291 __s32 bs_blksize; /* block size */ 292 __s64 bs_size; /* file size */ 293 xfs_bstime_t bs_atime; /* access time */ 294 xfs_bstime_t bs_mtime; /* modify time */ 295 xfs_bstime_t bs_ctime; /* inode change time */ 296 int64_t bs_blocks; /* number of blocks */ 297 __u32 bs_xflags; /* extended flags */ 298 __s32 bs_extsize; /* extent size */ 299 __s32 bs_extents; /* number of extents */ 300 __u32 bs_gen; /* generation count */ 301 __u16 bs_projid_lo; /* lower part of project id */ 302 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 303 __u16 bs_forkoff; /* inode fork offset in bytes */ 304 __u16 bs_projid_hi; /* higher part of project id */ 305 unsigned char bs_pad[10]; /* pad space, unused */ 306 __u32 bs_dmevmask; /* DMIG event mask */ 307 __u16 bs_dmstate; /* DMIG state info */ 308 __u16 bs_aextents; /* attribute number of extents */ 309 } xfs_bstat_t; 310 311 /* 312 * The user-level BulkStat Request interface structure. 313 */ 314 typedef struct xfs_fsop_bulkreq { 315 __u64 __user *lastip; /* last inode # pointer */ 316 __s32 icount; /* count of entries in buffer */ 317 void __user *ubuffer;/* user buffer for inode desc. */ 318 __s32 __user *ocount; /* output count pointer */ 319 } xfs_fsop_bulkreq_t; 320 321 322 /* 323 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 324 */ 325 typedef struct xfs_inogrp { 326 __u64 xi_startino; /* starting inode number */ 327 __s32 xi_alloccount; /* # bits set in allocmask */ 328 __u64 xi_allocmask; /* mask of allocated inodes */ 329 } xfs_inogrp_t; 330 331 332 /* 333 * Error injection. 334 */ 335 typedef struct xfs_error_injection { 336 __s32 fd; 337 __s32 errtag; 338 } xfs_error_injection_t; 339 340 341 /* 342 * The user-level Handle Request interface structure. 343 */ 344 typedef struct xfs_fsop_handlereq { 345 __u32 fd; /* fd for FD_TO_HANDLE */ 346 void __user *path; /* user pathname */ 347 __u32 oflags; /* open flags */ 348 void __user *ihandle;/* user supplied handle */ 349 __u32 ihandlen; /* user supplied length */ 350 void __user *ohandle;/* user buffer for handle */ 351 __u32 __user *ohandlen;/* user buffer length */ 352 } xfs_fsop_handlereq_t; 353 354 /* 355 * Compound structures for passing args through Handle Request interfaces 356 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 357 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 358 * XFS_IOC_ATTRMULTI_BY_HANDLE 359 */ 360 361 typedef struct xfs_fsop_setdm_handlereq { 362 struct xfs_fsop_handlereq hreq; /* handle information */ 363 struct fsdmidata __user *data; /* DMAPI data */ 364 } xfs_fsop_setdm_handlereq_t; 365 366 typedef struct xfs_attrlist_cursor { 367 __u32 opaque[4]; 368 } xfs_attrlist_cursor_t; 369 370 typedef struct xfs_fsop_attrlist_handlereq { 371 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 372 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 373 __u32 flags; /* which namespace to use */ 374 __u32 buflen; /* length of buffer supplied */ 375 void __user *buffer; /* returned names */ 376 } xfs_fsop_attrlist_handlereq_t; 377 378 typedef struct xfs_attr_multiop { 379 __u32 am_opcode; 380 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 381 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 382 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 383 __s32 am_error; 384 void __user *am_attrname; 385 void __user *am_attrvalue; 386 __u32 am_length; 387 __u32 am_flags; 388 } xfs_attr_multiop_t; 389 390 typedef struct xfs_fsop_attrmulti_handlereq { 391 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 392 __u32 opcount;/* count of following multiop */ 393 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 394 } xfs_fsop_attrmulti_handlereq_t; 395 396 /* 397 * per machine unique filesystem identifier types. 398 */ 399 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 400 401 typedef struct xfs_fid { 402 __u16 fid_len; /* length of remainder */ 403 __u16 fid_pad; 404 __u32 fid_gen; /* generation number */ 405 __u64 fid_ino; /* 64 bits inode number */ 406 } xfs_fid_t; 407 408 typedef struct xfs_handle { 409 union { 410 __s64 align; /* force alignment of ha_fid */ 411 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 412 } ha_u; 413 xfs_fid_t ha_fid; /* file system specific file ID */ 414 } xfs_handle_t; 415 #define ha_fsid ha_u._ha_fsid 416 417 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \ 418 - (char *) &(handle)) \ 419 + (handle).ha_fid.fid_len) 420 421 /* 422 * Flags for going down operation 423 */ 424 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 425 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 426 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 427 428 /* 429 * ioctl commands that are used by Linux filesystems 430 */ 431 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 432 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 433 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 434 435 /* 436 * ioctl commands that replace IRIX fcntl()'s 437 * For 'documentation' purposed more than anything else, 438 * the "cmd #" field reflects the IRIX fcntl number. 439 */ 440 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 441 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 442 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 443 #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) 444 #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) 445 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 446 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 447 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 448 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 449 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 450 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 451 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 452 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 453 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 454 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 455 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 456 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 457 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 458 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 459 460 /* 461 * ioctl commands that replace IRIX syssgi()'s 462 */ 463 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 464 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 465 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 466 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 467 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 468 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 469 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 470 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 471 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 472 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 473 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 474 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 475 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 476 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 477 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 478 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 479 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 480 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 481 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 482 /* XFS_IOC_FREEZE -- FIFREEZE 119 */ 483 /* XFS_IOC_THAW -- FITHAW 120 */ 484 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 485 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 486 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 487 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 488 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) 489 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 490 491 492 #ifndef HAVE_BBMACROS 493 /* 494 * Block I/O parameterization. A basic block (BB) is the lowest size of 495 * filesystem allocation, and must equal 512. Length units given to bio 496 * routines are in BB's. 497 */ 498 #define BBSHIFT 9 499 #define BBSIZE (1<<BBSHIFT) 500 #define BBMASK (BBSIZE-1) 501 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 502 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 503 #define BBTOB(bbs) ((bbs) << BBSHIFT) 504 #endif 505 506 #endif /* __XFS_FS_H__ */ 507