1 /* 2 * Taken from Linux kernel tree (linux/fs/xfs) 3 * 4 * Copyright (c) 1995-2005 Silicon Graphics, Inc. 5 * All Rights Reserved. 6 * 7 * Copyright (c) 2012 Paulo Alcantara <pcacjr (at) zytor.com> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public License 11 * as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it would be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public License 19 * along with this program; if not, write the Free Software Foundation, 20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 #ifndef XFS_FS_H_ 24 #define XFS_FS_H_ 25 26 /* 27 * SGI's XFS filesystem's major stuff (constants, structures) 28 */ 29 30 /* 31 * Direct I/O attribute record used with XFS_IOC_DIOINFO 32 * d_miniosz is the min xfer size, xfer size multiple and file seek offset 33 * alignment. 34 */ 35 struct dioattr { 36 uint32_t d_mem; /* data buffer memory alignment */ 37 uint32_t d_miniosz; /* min xfer size */ 38 uint32_t d_maxiosz; /* max xfer size */ 39 }; 40 41 /* 42 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR. 43 */ 44 struct fsxattr { 45 uint32_t fsx_xflags; /* xflags field value (get/set) */ 46 uint32_t fsx_extsize; /* extsize field value (get/set)*/ 47 uint32_t fsx_nextents; /* nextents field value (get) */ 48 uint32_t fsx_projid; /* project identifier (get/set) */ 49 unsigned char fsx_pad[12]; 50 }; 51 52 /* 53 * Flags for the bs_xflags/fsx_xflags field 54 * There should be a one-to-one correspondence between these flags and the 55 * XFS_DIFLAG_s. 56 */ 57 #define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */ 58 #define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */ 59 #define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */ 60 #define XFS_XFLAG_APPEND 0x00000010 /* all writes append */ 61 #define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */ 62 #define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */ 63 #define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */ 64 #define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */ 65 #define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */ 66 #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */ 67 #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */ 68 #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */ 69 #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */ 70 #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ 71 #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ 72 73 /* 74 * Structure for XFS_IOC_GETBMAP. 75 * On input, fill in bmv_offset and bmv_length of the first structure 76 * to indicate the area of interest in the file, and bmv_entries with 77 * the number of array elements given back. The first structure is 78 * updated on return to give the offset and length for the next call. 79 */ 80 struct getbmap { 81 int64_t bmv_offset; /* file offset of segment in blocks */ 82 int64_t bmv_block; /* starting block (64-bit daddr_t) */ 83 int64_t bmv_length; /* length of segment, blocks */ 84 int32_t bmv_count; /* # of entries in array incl. 1st */ 85 int32_t bmv_entries; /* # of entries filled in (output) */ 86 }; 87 88 /* 89 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries 90 * are used exactly as in the getbmap structure. The getbmapx structure 91 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field 92 * is only used for the first structure. It contains input flags 93 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled 94 * in by the XFS_IOC_GETBMAPX command for each returned structure after 95 * the first. 96 */ 97 struct getbmapx { 98 int64_t bmv_offset; /* file offset of segment in blocks */ 99 int64_t bmv_block; /* starting block (64-bit daddr_t) */ 100 int64_t bmv_length; /* length of segment, blocks */ 101 int32_t bmv_count; /* # of entries in array incl. 1st */ 102 int32_t bmv_entries; /* # of entries filled in (output). */ 103 int32_t bmv_iflags; /* input flags (1st structure) */ 104 int32_t bmv_oflags; /* output flags (after 1st structure)*/ 105 int32_t bmv_unused1; /* future use */ 106 int32_t bmv_unused2; /* future use */ 107 }; 108 109 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */ 110 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */ 111 #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */ 112 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */ 113 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */ 114 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */ 115 #define BMV_IF_VALID \ 116 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \ 117 BMV_IF_DELALLOC|BMV_IF_NO_HOLES) 118 119 /* bmv_oflags values - returned for each non-header segment */ 120 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */ 121 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */ 122 #define BMV_OF_LAST 0x4 /* segment is the last in the file */ 123 124 /* 125 * Structure for XFS_IOC_FSSETDM. 126 * For use by backup and restore programs to set the XFS on-disk inode 127 * fields di_dmevmask and di_dmstate. These must be set to exactly and 128 * only values previously obtained via xfs_bulkstat! (Specifically the 129 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.) 130 */ 131 struct fsdmidata { 132 uint32_t fsd_dmevmask; /* corresponds to di_dmevmask */ 133 __u16 fsd_padding; 134 __u16 fsd_dmstate; /* corresponds to di_dmstate */ 135 }; 136 137 /* 138 * File segment locking set data type for 64 bit access. 139 * Also used for all the RESV/FREE interfaces. 140 */ 141 typedef struct xfs_flock64 { 142 __s16 l_type; 143 __s16 l_whence; 144 int64_t l_start; 145 int64_t l_len; /* len == 0 means until end of file */ 146 int32_t l_sysid; 147 uint32_t l_pid; 148 int32_t l_pad[4]; /* reserve area */ 149 } xfs_flock64_t; 150 151 /* 152 * Output for XFS_IOC_FSGEOMETRY_V1 153 */ 154 typedef struct xfs_fsop_geom_v1 { 155 uint32_t blocksize; /* filesystem (data) block size */ 156 uint32_t rtextsize; /* realtime extent size */ 157 uint32_t agblocks; /* fsblocks in an AG */ 158 uint32_t agcount; /* number of allocation groups */ 159 uint32_t logblocks; /* fsblocks in the log */ 160 uint32_t sectsize; /* (data) sector size, bytes */ 161 uint32_t inodesize; /* inode size in bytes */ 162 uint32_t imaxpct; /* max allowed inode space(%) */ 163 uint64_t datablocks; /* fsblocks in data subvolume */ 164 uint64_t rtblocks; /* fsblocks in realtime subvol */ 165 uint64_t rtextents; /* rt extents in realtime subvol*/ 166 uint64_t logstart; /* starting fsblock of the log */ 167 unsigned char uuid[16]; /* unique id of the filesystem */ 168 uint32_t sunit; /* stripe unit, fsblocks */ 169 uint32_t swidth; /* stripe width, fsblocks */ 170 int32_t version; /* structure version */ 171 uint32_t flags; /* superblock version flags */ 172 uint32_t logsectsize; /* log sector size, bytes */ 173 uint32_t rtsectsize; /* realtime sector size, bytes */ 174 uint32_t dirblocksize; /* directory block size, bytes */ 175 } xfs_fsop_geom_v1_t; 176 177 /* 178 * Output for XFS_IOC_FSGEOMETRY 179 */ 180 typedef struct xfs_fsop_geom { 181 uint32_t blocksize; /* filesystem (data) block size */ 182 uint32_t rtextsize; /* realtime extent size */ 183 uint32_t agblocks; /* fsblocks in an AG */ 184 uint32_t agcount; /* number of allocation groups */ 185 uint32_t logblocks; /* fsblocks in the log */ 186 uint32_t sectsize; /* (data) sector size, bytes */ 187 uint32_t inodesize; /* inode size in bytes */ 188 uint32_t imaxpct; /* max allowed inode space(%) */ 189 uint64_t datablocks; /* fsblocks in data subvolume */ 190 uint64_t rtblocks; /* fsblocks in realtime subvol */ 191 uint64_t rtextents; /* rt extents in realtime subvol*/ 192 uint64_t logstart; /* starting fsblock of the log */ 193 unsigned char uuid[16]; /* unique id of the filesystem */ 194 uint32_t sunit; /* stripe unit, fsblocks */ 195 uint32_t swidth; /* stripe width, fsblocks */ 196 int32_t version; /* structure version */ 197 uint32_t flags; /* superblock version flags */ 198 uint32_t logsectsize; /* log sector size, bytes */ 199 uint32_t rtsectsize; /* realtime sector size, bytes */ 200 uint32_t dirblocksize; /* directory block size, bytes */ 201 uint32_t logsunit; /* log stripe unit, bytes */ 202 } xfs_fsop_geom_t; 203 204 /* Output for XFS_FS_COUNTS */ 205 typedef struct xfs_fsop_counts { 206 uint64_t freedata; /* free data section blocks */ 207 uint64_t freertx; /* free rt extents */ 208 uint64_t freeino; /* free inodes */ 209 uint64_t allocino; /* total allocated inodes */ 210 } xfs_fsop_counts_t; 211 212 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */ 213 typedef struct xfs_fsop_resblks { 214 uint64_t resblks; 215 uint64_t resblks_avail; 216 } xfs_fsop_resblks_t; 217 218 #define XFS_FSOP_GEOM_VERSION 0 219 220 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */ 221 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */ 222 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */ 223 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */ 224 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */ 225 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */ 226 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */ 227 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */ 228 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */ 229 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */ 230 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */ 231 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */ 232 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */ 233 234 235 /* 236 * Minimum and maximum sizes need for growth checks 237 */ 238 #define XFS_MIN_AG_BLOCKS 64 239 #define XFS_MIN_LOG_BLOCKS 512ULL 240 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL) 241 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL) 242 243 /* keep the maximum size under 2^31 by a small amount */ 244 #define XFS_MAX_LOG_BYTES \ 245 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES) 246 247 /* Used for sanity checks on superblock */ 248 #define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks) 249 #define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) * \ 250 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS) 251 252 /* 253 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT 254 */ 255 typedef struct xfs_growfs_data { 256 uint64_t newblocks; /* new data subvol size, fsblocks */ 257 uint32_t imaxpct; /* new inode space percentage limit */ 258 } xfs_growfs_data_t; 259 260 typedef struct xfs_growfs_log { 261 uint32_t newblocks; /* new log size, fsblocks */ 262 uint32_t isint; /* 1 if new log is internal */ 263 } xfs_growfs_log_t; 264 265 typedef struct xfs_growfs_rt { 266 uint64_t newblocks; /* new realtime size, fsblocks */ 267 uint32_t extsize; /* new realtime extent size, fsblocks */ 268 } xfs_growfs_rt_t; 269 270 271 /* 272 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE 273 */ 274 typedef struct xfs_bstime { 275 time_t tv_sec; /* seconds */ 276 int32_t tv_nsec; /* and nanoseconds */ 277 } xfs_bstime_t; 278 279 typedef struct xfs_bstat { 280 uint64_t bs_ino; /* inode number */ 281 __u16 bs_mode; /* type and mode */ 282 __u16 bs_nlink; /* number of links */ 283 uint32_t bs_uid; /* user id */ 284 uint32_t bs_gid; /* group id */ 285 uint32_t bs_rdev; /* device value */ 286 int32_t bs_blksize; /* block size */ 287 int64_t bs_size; /* file size */ 288 xfs_bstime_t bs_atime; /* access time */ 289 xfs_bstime_t bs_mtime; /* modify time */ 290 xfs_bstime_t bs_ctime; /* inode change time */ 291 int64_t bs_blocks; /* number of blocks */ 292 uint32_t bs_xflags; /* extended flags */ 293 int32_t bs_extsize; /* extent size */ 294 int32_t bs_extents; /* number of extents */ 295 uint32_t bs_gen; /* generation count */ 296 __u16 bs_projid_lo; /* lower part of project id */ 297 #define bs_projid bs_projid_lo /* (previously just bs_projid) */ 298 __u16 bs_forkoff; /* inode fork offset in bytes */ 299 __u16 bs_projid_hi; /* higher part of project id */ 300 unsigned char bs_pad[10]; /* pad space, unused */ 301 uint32_t bs_dmevmask; /* DMIG event mask */ 302 __u16 bs_dmstate; /* DMIG state info */ 303 __u16 bs_aextents; /* attribute number of extents */ 304 } xfs_bstat_t; 305 306 /* 307 * The user-level BulkStat Request interface structure. 308 */ 309 typedef struct xfs_fsop_bulkreq { 310 uint64_t __user *lastip; /* last inode # pointer */ 311 int32_t icount; /* count of entries in buffer */ 312 void __user *ubuffer;/* user buffer for inode desc. */ 313 int32_t __user *ocount; /* output count pointer */ 314 } xfs_fsop_bulkreq_t; 315 316 317 /* 318 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS). 319 */ 320 typedef struct xfs_inogrp { 321 uint64_t xi_startino; /* starting inode number */ 322 int32_t xi_alloccount; /* # bits set in allocmask */ 323 uint64_t xi_allocmask; /* mask of allocated inodes */ 324 } xfs_inogrp_t; 325 326 327 /* 328 * Error injection. 329 */ 330 typedef struct xfs_error_injection { 331 int32_t fd; 332 int32_t errtag; 333 } xfs_error_injection_t; 334 335 336 /* 337 * The user-level Handle Request interface structure. 338 */ 339 typedef struct xfs_fsop_handlereq { 340 uint32_t fd; /* fd for FD_TO_HANDLE */ 341 void __user *path; /* user pathname */ 342 uint32_t oflags; /* open flags */ 343 void __user *ihandle;/* user supplied handle */ 344 uint32_t ihandlen; /* user supplied length */ 345 void __user *ohandle;/* user buffer for handle */ 346 uint32_t __user *ohandlen;/* user buffer length */ 347 } xfs_fsop_handlereq_t; 348 349 /* 350 * Compound structures for passing args through Handle Request interfaces 351 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle 352 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and 353 * XFS_IOC_ATTRMULTI_BY_HANDLE 354 */ 355 356 typedef struct xfs_fsop_setdm_handlereq { 357 struct xfs_fsop_handlereq hreq; /* handle information */ 358 struct fsdmidata __user *data; /* DMAPI data */ 359 } xfs_fsop_setdm_handlereq_t; 360 361 typedef struct xfs_attrlist_cursor { 362 uint32_t opaque[4]; 363 } xfs_attrlist_cursor_t; 364 365 typedef struct xfs_fsop_attrlist_handlereq { 366 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 367 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */ 368 uint32_t flags; /* which namespace to use */ 369 uint32_t buflen; /* length of buffer supplied */ 370 void __user *buffer; /* returned names */ 371 } xfs_fsop_attrlist_handlereq_t; 372 373 typedef struct xfs_attr_multiop { 374 uint32_t am_opcode; 375 #define ATTR_OP_GET 1 /* return the indicated attr's value */ 376 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */ 377 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */ 378 int32_t am_error; 379 void __user *am_attrname; 380 void __user *am_attrvalue; 381 uint32_t am_length; 382 uint32_t am_flags; 383 } xfs_attr_multiop_t; 384 385 typedef struct xfs_fsop_attrmulti_handlereq { 386 struct xfs_fsop_handlereq hreq; /* handle interface structure */ 387 uint32_t opcount;/* count of following multiop */ 388 struct xfs_attr_multiop __user *ops; /* attr_multi data */ 389 } xfs_fsop_attrmulti_handlereq_t; 390 391 /* 392 * per machine unique filesystem identifier types. 393 */ 394 typedef struct { uint32_t val[2]; } xfs_fsid_t; /* file system id type */ 395 396 typedef struct xfs_fid { 397 __u16 fid_len; /* length of remainder */ 398 __u16 fid_pad; 399 uint32_t fid_gen; /* generation number */ 400 uint64_t fid_ino; /* 64 bits inode number */ 401 } xfs_fid_t; 402 403 typedef struct xfs_handle { 404 union { 405 int64_t align; /* force alignment of ha_fid */ 406 xfs_fsid_t _ha_fsid; /* unique file system identifier */ 407 } ha_u; 408 xfs_fid_t ha_fid; /* file system specific file ID */ 409 } xfs_handle_t; 410 #define ha_fsid ha_u._ha_fsid 411 412 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \ 413 - (char *) &(handle)) \ 414 + (handle).ha_fid.fid_len) 415 416 /* 417 * Flags for going down operation 418 */ 419 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */ 420 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ 421 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ 422 423 /* 424 * ioctl commands that are used by Linux filesystems 425 */ 426 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS 427 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS 428 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION 429 430 /* 431 * ioctl commands that replace IRIX fcntl()'s 432 * For 'documentation' purposed more than anything else, 433 * the "cmd #" field reflects the IRIX fcntl number. 434 */ 435 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64) 436 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64) 437 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr) 438 #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr) 439 #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr) 440 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64) 441 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64) 442 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap) 443 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata) 444 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64) 445 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64) 446 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64) 447 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64) 448 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap) 449 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr) 450 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */ 451 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ 452 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) 453 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) 454 455 /* 456 * ioctl commands that replace IRIX syssgi()'s 457 */ 458 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1) 459 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq) 460 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq) 461 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq) 462 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq) 463 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq) 464 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq) 465 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq) 466 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq) 467 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext) 468 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data) 469 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log) 470 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt) 471 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts) 472 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks) 473 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks) 474 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection) 475 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection) 476 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */ 477 /* XFS_IOC_FREEZE -- FIFREEZE 119 */ 478 /* XFS_IOC_THAW -- FITHAW 120 */ 479 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq) 480 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq) 481 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq) 482 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom) 483 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t) 484 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */ 485 486 487 #ifndef HAVE_BBMACROS 488 /* 489 * Block I/O parameterization. A basic block (BB) is the lowest size of 490 * filesystem allocation, and must equal 512. Length units given to bio 491 * routines are in BB's. 492 */ 493 #define BBSHIFT 9 494 #define BBSIZE (1<<BBSHIFT) 495 #define BBMASK (BBSIZE-1) 496 #define BTOBB(bytes) (((uint64_t)(bytes) + BBSIZE - 1) >> BBSHIFT) 497 #define BTOBBT(bytes) ((uint64_t)(bytes) >> BBSHIFT) 498 #define BBTOB(bbs) ((bbs) << BBSHIFT) 499 #endif 500 501 #endif /* XFS_FS_H_ */ 502
