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 #define XFS_NAME "xfs" 26 27 /* 28 * Direct I/O attribute record used with XFS_IOC_DIOINFO 29 * d_miniosz is the min xfer size, xfer size multiple and file seek offset 30 * alignment. 31 */ 32 #ifndef HAVE_DIOATTR 33 struct dioattr { 34 __u32 d_mem; /* data buffer memory alignment */ 35 __u32 d_miniosz; /* min xfer size */ 36 __u32 d_maxiosz; /* max xfer size */ 37 }; 38 #endif 39 40 /* 41 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR. 42 */ 43 #ifndef HAVE_FSXATTR 44 struct fsxattr { 45 __u32 fsx_xflags; /* xflags field value (get/set) */ 46 __u32 fsx_extsize; /* extsize field value (get/set)*/ 47 __u32 fsx_nextents; /* nextents field value (get) */ 48 __u32 fsx_projid; /* project identifier (get/set) */ 49 unsigned char fsx_pad[12]; 50 }; 51 #endif 52 53 /* 54 * Flags for the bs_xflags/fsx_xflags field 55 * There should be a one-to-one correspondence between these flags and the 56 * XFS_DIFLAG_s. 57 */ 58 #define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */ 59 #define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */ 60 #define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */ 61 #define XFS_XFLAG_APPEND 0x00000010 /* all writes append */ 62 #define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */ 63 #define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */ 64 #define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */ 65 #define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */ 66 #define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */ 67 #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */ 68 #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */ 69 #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */ 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_entry with the 76 * number of array elements given. The first structure is updated on 77 * 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_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC) 117 #ifdef __KERNEL__ 118 #define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */ 119 #endif 120 121 /* bmv_oflags values - returned for for each non-header segment */ 122 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ 123 124 /* Convert getbmap <-> getbmapx - move fields from p1 to p2. */ 125 #define GETBMAP_CONVERT(p1,p2) { \ 126 p2.bmv_offset = p1.bmv_offset; \ 127 p2.bmv_block = p1.bmv_block; \ 128 p2.bmv_length = p1.bmv_length; \ 129 p2.bmv_count = p1.bmv_count; \ 130 p2.bmv_entries = p1.bmv_entries; \ 131 \ 132 printf("offset 0x%jx block 0x%jx length 0x%jx count 0x%jx entries %d\n", \ 133 (uint64_t)p2.bmv_offset, \ 134 (uint64_t)p2.bmv_block, \ 135 (uint64_t)p2.bmv_length, \ 136 (uint64_t)p2.bmv_count, \ 137 p2.bmv_entries); \ 138 } 139 140 141 /* 142 * Structure for XFS_IOC_FSSETDM. 143 * For use by backup and restore programs to set the XFS on-disk inode 144 * fields di_dmevmask and di_dmstate. These must be set to exactly and 145 * only values previously obtained via xfs_bulkstat! (Specifically the 146 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) 147 */ 148 #ifndef HAVE_FSDMIDATA 149 struct fsdmidata { 150 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */ 151 __u16 fsd_padding; 152 __u16 fsd_dmstate; /* corresponds to di_dmstate */ 153 }; 154 #endif 155 156 /* 157 * File segment locking set data type for 64 bit access. 158 * Also used for all the RESV/FREE interfaces. 159 */ 160 typedef struct xfs_flock64 { 161 __s16 l_type; 162 __s16 l_whence; 163 __s64 l_start; 164 __s64 l_len; /* len == 0 means until end of file */ 165 __s32 l_sysid; 166 __u32 l_pid; 167 __s32 l_pad[4]; /* reserve area */ 168 } xfs_flock64_t; 169 170 /* 171 * Output for XFS_IOC_FSGEOMETRY_V1 172 */ 173 typedef struct xfs_fsop_geom_v1 { 174 __u32 blocksize; /* filesystem (data) block size */ 175 __u32 rtextsize; /* realtime extent size */ 176 __u32 agblocks; /* fsblocks in an AG */ 177 __u32 agcount; /* number of allocation groups */ 178 __u32 logblocks; /* fsblocks in the log */ 179 __u32 sectsize; /* (data) sector size, bytes */ 180 __u32 inodesize; /* inode size in bytes */ 181 __u32 imaxpct; /* max allowed inode space(%) */ 182 __u64 datablocks; /* fsblocks in data subvolume */ 183 __u64 rtblocks; /* fsblocks in realtime subvol */ 184 __u64 rtextents; /* rt extents in realtime subvol*/ 185 __u64 logstart; /* starting fsblock of the log */ 186 unsigned char uuid[16]; /* unique id of the filesystem */ 187 __u32 sunit; /* stripe unit, fsblocks */ 188 __u32 swidth; /* stripe width, fsblocks */ 189 __s32 version; /* structure version */ 190 __u32 flags; /* superblock version flags */ 191 __u32 logsectsize; /* log sector size, bytes */ 192 __u32 rtsectsize; /* realtime sector size, bytes */ 193 __u32 dirblocksize; /* directory block size, bytes */ 194 } xfs_fsop_geom_v1_t; 195 196 /* 197 * Output for XFS_IOC_FSGEOMETRY 198 */ 199 typedef struct xfs_fsop_geom { 200 __u32 blocksize; /* filesystem (data) block size */ 201 __u32 rtextsize; /* realtime extent size */ 202 __u32 agblocks; /* fsblocks in an AG */ 203 __u32 agcount; /* number of allocation groups */ 204 __u32 logblocks; /* fsblocks in the log */ 205 __u32 sectsize; /* (data) sector size, bytes */ 206 __u32 inodesize; /* inode size in bytes */ 207 __u32 imaxpct; /* max allowed inode space(%) */ 208 __u64 datablocks; /* fsblocks in data subvolume */ 209 __u64 rtblocks; /* fsblocks in realtime subvol */ 210 __u64 rtextents; /* rt extents in realtime subvol*/ 211 __u64 logstart; /* starting fsblock of the log */ 212 unsigned char uuid[16]; /* unique id of the filesystem */ 213 __u32 sunit; /* stripe unit, fsblocks */ 214 __u32 swidth; /* stripe width, fsblocks */ 215 __s32 version; /* structure version */ 216 __u32 flags; /* superblock version flags */ 217 __u32 logsectsize; /* log sector size, bytes */ 218 __u32 rtsectsize; /* realtime sector size, bytes */ 219 __u32 dirblocksize; /* directory block size, bytes */ 220 __u32 logsunit; /* log stripe unit, bytes */ 221 } xfs_fsop_geom_t; 222 223 /* Output for XFS_FS_COUNTS */ 224 typedef struct xfs_fsop_counts { 225 __u64 freedata; /* free data section blocks */ 226 __u64 freertx; /* free rt extents */ 227 __u64 freeino; /* free inodes */ 228 __u64 allocino; /* total allocated inodes */ 229 } xfs_fsop_counts_t; 230 231 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ 232 typedef struct xfs_fsop_resblks { 233 __u64 resblks; 234 __u64 resblks_avail; 235 } xfs_fsop_resblks_t; 236 237 #define XFS_FSOP_GEOM_VERSION 0 238 239 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ 240 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ 241 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ 242 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ 243 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ 244 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ 245 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ 246 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ 247 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ 248 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ 249 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ 250 251 252 /* 253 * Minimum and maximum sizes need for growth checks 254 */ 255 #define XFS_MIN_AG_BLOCKS 64 256 #define XFS_MIN_LOG_BLOCKS 512 257 #define XFS_MAX_LOG_BLOCKS (64 * 1024) 258 #define XFS_MIN_LOG_BYTES (256 * 1024) 259 #define XFS_MAX_LOG_BYTES (128 * 1024 * 1024) 260 261 /* 262 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 263 */ 264 typedef struct xfs_growfs_data { 265 __u64 newblocks; /* new data subvol size, fsblocks */ 266 __u32 imaxpct; /* new inode space percentage limit */ 267 } xfs_growfs_data_t; 268 269 typedef struct xfs_growfs_log { 270 __u32 newblocks; /* new log size, fsblocks */ 271 __u32 isint; /* 1 if new log is internal */ 272 } xfs_growfs_log_t; 273 274 typedef struct xfs_growfs_rt { 275 __u64 newblocks; /* new realtime size, fsblocks */ 276 __u32 extsize; /* new realtime extent size, fsblocks */ 277 } xfs_growfs_rt_t; 278 279 280 /* 281 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 282 */ 283 typedef struct xfs_bstime { 284 time_t tv_sec; /* seconds */ 285 __s32 tv_nsec; /* and nanoseconds */ 286 } xfs_bstime_t; 287 288 typedef struct xfs_bstat { 289 __u64 bs_ino; /* inode number */ 290 __u16 bs_mode; /* type and mode */ 291 __u16 bs_nlink; /* number of links */ 292 __u32 bs_uid; /* user id */ 293 __u32 bs_gid; /* group id */ 294 __u32 bs_rdev; /* device value */ 295 __s32 bs_blksize; /* block size */ 296 __s64 bs_size; /* file size */ 297 xfs_bstime_t bs_atime; /* access time */ 298 xfs_bstime_t bs_mtime; /* modify time */ 299 xfs_bstime_t bs_ctime; /* inode change time */ 300 int64_t bs_blocks; /* number of blocks */ 301 __u32 bs_xflags; /* extended flags */ 302 __s32 bs_extsize; /* extent size */ 303 __s32 bs_extents; /* number of extents */ 304 __u32 bs_gen; /* generation count */ 305 __u16 bs_projid; /* project id */ 306 unsigned char bs_pad[14]; /* pad space, unused */ 307 __u32 bs_dmevmask; /* DMIG event mask */ 308 __u16 bs_dmstate; /* DMIG state info */ 309 __u16 bs_aextents; /* attribute number of extents */ 310 } xfs_bstat_t; 311 312 /* 313 * The user-level BulkStat Request interface structure. 314 */ 315 typedef struct xfs_fsop_bulkreq { 316 __u64 __user *lastip; /* last inode # pointer */ 317 __s32 icount; /* count of entries in buffer */ 318 void __user *ubuffer;/* user buffer for inode desc. */ 319 __s32 __user *ocount; /* output count pointer */ 320 } xfs_fsop_bulkreq_t; 321 322 323 /* 324 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 325 */ 326 typedef struct xfs_inogrp { 327 __u64 xi_startino; /* starting inode number */ 328 __s32 xi_alloccount; /* # bits set in allocmask */ 329 __u64 xi_allocmask; /* mask of allocated inodes */ 330 } xfs_inogrp_t; 331 332 333 /* 334 * Error injection. 335 */ 336 typedef struct xfs_error_injection { 337 __s32 fd; 338 __s32 errtag; 339 } xfs_error_injection_t; 340 341 342 /* 343 * The user-level Handle Request interface structure. 344 */ 345 typedef struct xfs_fsop_handlereq { 346 __u32 fd; /* fd for FD_TO_HANDLE */ 347 void __user *path; /* user pathname */ 348 __u32 oflags; /* open flags */ 349 void __user *ihandle;/* user supplied handle */ 350 __u32 ihandlen; /* user supplied length */ 351 void __user *ohandle;/* user buffer for handle */ 352 __u32 __user *ohandlen;/* user buffer length */ 353 } xfs_fsop_handlereq_t; 354 355 /* 356 * Compound structures for passing args through Handle Request interfaces 357 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 358 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 359 * XFS_IOC_ATTRMULTI_BY_HANDLE 360 */ 361 362 typedef struct xfs_fsop_setdm_handlereq { 363 struct xfs_fsop_handlereq hreq; /* handle information */ 364 struct fsdmidata __user *data; /* DMAPI data */ 365 } xfs_fsop_setdm_handlereq_t; 366 367 typedef struct xfs_attrlist_cursor { 368 __u32 opaque[4]; 369 } xfs_attrlist_cursor_t; 370 371 typedef struct xfs_fsop_attrlist_handlereq { 372 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 373 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 374 __u32 flags; /* which namespace to use */ 375 __u32 buflen; /* length of buffer supplied */ 376 void __user *buffer; /* returned names */ 377 } xfs_fsop_attrlist_handlereq_t; 378 379 typedef struct xfs_attr_multiop { 380 __u32 am_opcode; 381 __s32 am_error; 382 void __user *am_attrname; 383 void __user *am_attrvalue; 384 __u32 am_length; 385 __u32 am_flags; 386 } xfs_attr_multiop_t; 387 388 typedef struct xfs_fsop_attrmulti_handlereq { 389 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 390 __u32 opcount;/* count of following multiop */ 391 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 392 } xfs_fsop_attrmulti_handlereq_t; 393 394 /* 395 * per machine unique filesystem identifier types. 396 */ 397 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */ 398 399 400 #ifndef HAVE_FID 401 #define MAXFIDSZ 46 402 403 typedef struct fid { 404 __u16 fid_len; /* length of data in bytes */ 405 unsigned char fid_data[MAXFIDSZ]; /* data (fid_len worth) */ 406 } fid_t; 407 #endif 408 409 typedef struct xfs_fid { 410 __u16 xfs_fid_len; /* length of remainder */ 411 __u16 xfs_fid_pad; 412 __u32 xfs_fid_gen; /* generation number */ 413 __u64 xfs_fid_ino; /* 64 bits inode number */ 414 } xfs_fid_t; 415 416 typedef struct xfs_fid2 { 417 __u16 fid_len; /* length of remainder */ 418 __u16 fid_pad; /* padding, must be zero */ 419 __u32 fid_gen; /* generation number */ 420 __u64 fid_ino; /* inode number */ 421 } xfs_fid2_t; 422 423 typedef struct xfs_handle { 424 union { 425 __s64 align; /* force alignment of ha_fid */ 426 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 427 } ha_u; 428 xfs_fid_t ha_fid; /* file system specific file ID */ 429 } xfs_handle_t; 430 #define ha_fsid ha_u._ha_fsid 431 432 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.xfs_fid_pad \ 433 - (char *) &(handle)) \ 434 + (handle).ha_fid.xfs_fid_len) 435 436 #define XFS_HANDLE_CMP(h1, h2) memcmp(h1, h2, sizeof(xfs_handle_t)) 437 438 #define FSHSIZE sizeof(fsid_t) 439 440 /* 441 * Flags for going down operation 442 */ 443 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 444 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 445 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 446 447 /* 448 * ioctl commands that are used by Linux filesystems 449 */ 450 #define XFS_IOC_GETXFLAGS _IOR('f', 1, long) 451 #define XFS_IOC_SETXFLAGS _IOW('f', 2, long) 452 #define XFS_IOC_GETVERSION _IOR('v', 1, long) 453 454 /* 455 * ioctl commands that replace IRIX fcntl()'s 456 * For 'documentation' purposed more than anything else, 457 * the "cmd #" field reflects the IRIX fcntl number. 458 */ 459 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 460 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 461 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 462 #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) 463 #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) 464 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 465 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 466 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 467 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 468 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 469 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 470 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 471 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 472 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 473 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 474 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 475 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 476 //#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmapx) 477 #define XFS_IOC_GETBMAPX _IOC(IOC_INOUT, 'X', 56, (256 * sizeof(struct getbmapx))) 478 479 480 /* 481 * ioctl commands that replace IRIX syssgi()'s 482 */ 483 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 484 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 485 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 486 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 487 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 488 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 489 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 490 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 491 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 492 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 493 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 494 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 495 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 496 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 497 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 498 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 499 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 500 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 501 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 502 #define XFS_IOC_FREEZE _IOWR('X', 119, int) 503 #define XFS_IOC_THAW _IOWR('X', 120, int) 504 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 505 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 506 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 507 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 508 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) 509 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 510 511 512 #ifndef HAVE_BBMACROS 513 /* 514 * Block I/O parameterization. A basic block (BB) is the lowest size of 515 * filesystem allocation, and must equal 512. Length units given to bio 516 * routines are in BB's. 517 */ 518 #define BBSHIFT 9 519 #define BBSIZE (1<<BBSHIFT) 520 #define BBMASK (BBSIZE-1) 521 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT) 522 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT) 523 #define BBTOB(bbs) ((bbs) << BBSHIFT) 524 #endif 525 526 #endif /* __XFS_FS_H__ */ 527 528