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_GETBMAP.
40 * On input, fill in bmv_offset and bmv_length of the first structure
41 * to indicate the area of interest in the file, and bmv_entries with
42 * the number of array elements given back. The first structure is
43 * updated on return to give the offset and length for the next call.
44 */
45 #ifndef HAVE_GETBMAP
46 struct getbmap {
47 __s64 bmv_offset; /* file offset of segment in blocks */
48 __s64 bmv_block; /* starting block (64-bit daddr_t) */
49 __s64 bmv_length; /* length of segment, blocks */
50 __s32 bmv_count; /* # of entries in array incl. 1st */
51 __s32 bmv_entries; /* # of entries filled in (output) */
52 };
53 #endif
54
55 /*
56 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
57 * are used exactly as in the getbmap structure. The getbmapx structure
58 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
59 * is only used for the first structure. It contains input flags
60 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
61 * in by the XFS_IOC_GETBMAPX command for each returned structure after
62 * the first.
63 */
64 #ifndef HAVE_GETBMAPX
65 struct getbmapx {
66 __s64 bmv_offset; /* file offset of segment in blocks */
67 __s64 bmv_block; /* starting block (64-bit daddr_t) */
68 __s64 bmv_length; /* length of segment, blocks */
69 __s32 bmv_count; /* # of entries in array incl. 1st */
70 __s32 bmv_entries; /* # of entries filled in (output). */
71 __s32 bmv_iflags; /* input flags (1st structure) */
72 __s32 bmv_oflags; /* output flags (after 1st structure)*/
73 __s32 bmv_unused1; /* future use */
74 __s32 bmv_unused2; /* future use */
75 };
76 #endif
77
78 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
79 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
80 #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
81 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
82 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
83 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
84 #define BMV_IF_COWFORK 0x20 /* return CoW fork rather than data */
85 #define BMV_IF_VALID \
86 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
87 BMV_IF_DELALLOC|BMV_IF_NO_HOLES|BMV_IF_COWFORK)
88
89 /* bmv_oflags values - returned for each non-header segment */
90 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
91 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
92 #define BMV_OF_LAST 0x4 /* segment is the last in the file */
93 #define BMV_OF_SHARED 0x8 /* segment shared with another file */
94
95 /*
96 * Structure for XFS_IOC_FSSETDM.
97 * For use by backup and restore programs to set the XFS on-disk inode
98 * fields di_dmevmask and di_dmstate. These must be set to exactly and
99 * only values previously obtained via xfs_bulkstat! (Specifically the
100 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
101 */
102 #ifndef HAVE_FSDMIDATA
103 struct fsdmidata {
104 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
105 __u16 fsd_padding;
106 __u16 fsd_dmstate; /* corresponds to di_dmstate */
107 };
108 #endif
109
110 /*
111 * File segment locking set data type for 64 bit access.
112 * Also used for all the RESV/FREE interfaces.
113 */
114 typedef struct xfs_flock64 {
115 __s16 l_type;
116 __s16 l_whence;
117 __s64 l_start;
118 __s64 l_len; /* len == 0 means until end of file */
119 __s32 l_sysid;
120 __u32 l_pid;
121 __s32 l_pad[4]; /* reserve area */
122 } xfs_flock64_t;
123
124 /*
125 * Output for XFS_IOC_FSGEOMETRY_V1
126 */
127 typedef struct xfs_fsop_geom_v1 {
128 __u32 blocksize; /* filesystem (data) block size */
129 __u32 rtextsize; /* realtime extent size */
130 __u32 agblocks; /* fsblocks in an AG */
131 __u32 agcount; /* number of allocation groups */
132 __u32 logblocks; /* fsblocks in the log */
133 __u32 sectsize; /* (data) sector size, bytes */
134 __u32 inodesize; /* inode size in bytes */
135 __u32 imaxpct; /* max allowed inode space(%) */
136 __u64 datablocks; /* fsblocks in data subvolume */
137 __u64 rtblocks; /* fsblocks in realtime subvol */
138 __u64 rtextents; /* rt extents in realtime subvol*/
139 __u64 logstart; /* starting fsblock of the log */
140 unsigned char uuid[16]; /* unique id of the filesystem */
141 __u32 sunit; /* stripe unit, fsblocks */
142 __u32 swidth; /* stripe width, fsblocks */
143 __s32 version; /* structure version */
144 __u32 flags; /* superblock version flags */
145 __u32 logsectsize; /* log sector size, bytes */
146 __u32 rtsectsize; /* realtime sector size, bytes */
147 __u32 dirblocksize; /* directory block size, bytes */
148 } xfs_fsop_geom_v1_t;
149
150 /*
151 * Output for XFS_IOC_FSGEOMETRY
152 */
153 typedef struct xfs_fsop_geom {
154 __u32 blocksize; /* filesystem (data) block size */
155 __u32 rtextsize; /* realtime extent size */
156 __u32 agblocks; /* fsblocks in an AG */
157 __u32 agcount; /* number of allocation groups */
158 __u32 logblocks; /* fsblocks in the log */
159 __u32 sectsize; /* (data) sector size, bytes */
160 __u32 inodesize; /* inode size in bytes */
161 __u32 imaxpct; /* max allowed inode space(%) */
162 __u64 datablocks; /* fsblocks in data subvolume */
163 __u64 rtblocks; /* fsblocks in realtime subvol */
164 __u64 rtextents; /* rt extents in realtime subvol*/
165 __u64 logstart; /* starting fsblock of the log */
166 unsigned char uuid[16]; /* unique id of the filesystem */
167 __u32 sunit; /* stripe unit, fsblocks */
168 __u32 swidth; /* stripe width, fsblocks */
169 __s32 version; /* structure version */
170 __u32 flags; /* superblock version flags */
171 __u32 logsectsize; /* log sector size, bytes */
172 __u32 rtsectsize; /* realtime sector size, bytes */
173 __u32 dirblocksize; /* directory block size, bytes */
174 __u32 logsunit; /* log stripe unit, bytes */
175 } xfs_fsop_geom_t;
176
177 /* Output for XFS_FS_COUNTS */
178 typedef struct xfs_fsop_counts {
179 __u64 freedata; /* free data section blocks */
180 __u64 freertx; /* free rt extents */
181 __u64 freeino; /* free inodes */
182 __u64 allocino; /* total allocated inodes */
183 } xfs_fsop_counts_t;
184
185 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
186 typedef struct xfs_fsop_resblks {
187 __u64 resblks;
188 __u64 resblks_avail;
189 } xfs_fsop_resblks_t;
190
191 #define XFS_FSOP_GEOM_VERSION 0
192
193 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
194 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
195 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
196 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
197 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
198 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
199 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
200 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
201 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
202 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
203 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
204 #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */
205 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
206 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
207 #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */
208 #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */
209 #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
210 #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */
211 #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* reverse mapping btree */
212 #define XFS_FSOP_GEOM_FLAGS_REFLINK 0x100000 /* files can share blocks */
213
214 /*
215 * Minimum and maximum sizes need for growth checks.
216 *
217 * Block counts are in units of filesystem blocks, not basic blocks.
218 */
219 #define XFS_MIN_AG_BLOCKS 64
220 #define XFS_MIN_LOG_BLOCKS 512ULL
221 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
222 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
223
224 /* keep the maximum size under 2^31 by a small amount */
225 #define XFS_MAX_LOG_BYTES \
226 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
227
228 /* Used for sanity checks on superblock */
229 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
230 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
231 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
232
233 /*
234 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
235 */
236 typedef struct xfs_growfs_data {
237 __u64 newblocks; /* new data subvol size, fsblocks */
238 __u32 imaxpct; /* new inode space percentage limit */
239 } xfs_growfs_data_t;
240
241 typedef struct xfs_growfs_log {
242 __u32 newblocks; /* new log size, fsblocks */
243 __u32 isint; /* 1 if new log is internal */
244 } xfs_growfs_log_t;
245
246 typedef struct xfs_growfs_rt {
247 __u64 newblocks; /* new realtime size, fsblocks */
248 __u32 extsize; /* new realtime extent size, fsblocks */
249 } xfs_growfs_rt_t;
250
251
252 /*
253 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
254 */
255 typedef struct xfs_bstime {
256 time_t tv_sec; /* seconds */
257 __s32 tv_nsec; /* and nanoseconds */
258 } xfs_bstime_t;
259
260 typedef struct xfs_bstat {
261 __u64 bs_ino; /* inode number */
262 __u16 bs_mode; /* type and mode */
263 __u16 bs_nlink; /* number of links */
264 __u32 bs_uid; /* user id */
265 __u32 bs_gid; /* group id */
266 __u32 bs_rdev; /* device value */
267 __s32 bs_blksize; /* block size */
268 __s64 bs_size; /* file size */
269 xfs_bstime_t bs_atime; /* access time */
270 xfs_bstime_t bs_mtime; /* modify time */
271 xfs_bstime_t bs_ctime; /* inode change time */
272 int64_t bs_blocks; /* number of blocks */
273 __u32 bs_xflags; /* extended flags */
274 __s32 bs_extsize; /* extent size */
275 __s32 bs_extents; /* number of extents */
276 __u32 bs_gen; /* generation count */
277 __u16 bs_projid_lo; /* lower part of project id */
278 #define bs_projid bs_projid_lo /* (previously just bs_projid) */
279 __u16 bs_forkoff; /* inode fork offset in bytes */
280 __u16 bs_projid_hi; /* higher part of project id */
281 unsigned char bs_pad[6]; /* pad space, unused */
282 __u32 bs_cowextsize; /* cow extent size */
283 __u32 bs_dmevmask; /* DMIG event mask */
284 __u16 bs_dmstate; /* DMIG state info */
285 __u16 bs_aextents; /* attribute number of extents */
286 } xfs_bstat_t;
287
288 /*
289 * Project quota id helpers (previously projid was 16bit only
290 * and using two 16bit values to hold new 32bit projid was choosen
291 * to retain compatibility with "old" filesystems).
292 */
293 static inline __uint32_t
bstat_get_projid(struct xfs_bstat * bs)294 bstat_get_projid(struct xfs_bstat *bs)
295 {
296 return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
297 }
298
299 /*
300 * The user-level BulkStat Request interface structure.
301 */
302 typedef struct xfs_fsop_bulkreq {
303 __u64 __user *lastip; /* last inode # pointer */
304 __s32 icount; /* count of entries in buffer */
305 void __user *ubuffer;/* user buffer for inode desc. */
306 __s32 __user *ocount; /* output count pointer */
307 } xfs_fsop_bulkreq_t;
308
309
310 /*
311 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
312 */
313 typedef struct xfs_inogrp {
314 __u64 xi_startino; /* starting inode number */
315 __s32 xi_alloccount; /* # bits set in allocmask */
316 __u64 xi_allocmask; /* mask of allocated inodes */
317 } xfs_inogrp_t;
318
319
320 /*
321 * Error injection.
322 */
323 typedef struct xfs_error_injection {
324 __s32 fd;
325 __s32 errtag;
326 } xfs_error_injection_t;
327
328
329 /*
330 * Speculative preallocation trimming.
331 */
332 #define XFS_EOFBLOCKS_VERSION 1
333 struct xfs_fs_eofblocks {
334 __u32 eof_version;
335 __u32 eof_flags;
336 uid_t eof_uid;
337 gid_t eof_gid;
338 prid_t eof_prid;
339 __u32 pad32;
340 __u64 eof_min_file_size;
341 __u64 pad64[12];
342 };
343
344 /* eof_flags values */
345 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
346 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
347 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
348 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
349 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
350 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
351 * kernel only, not included in
352 * valid mask */
353 #define XFS_EOF_FLAGS_VALID \
354 (XFS_EOF_FLAGS_SYNC | \
355 XFS_EOF_FLAGS_UID | \
356 XFS_EOF_FLAGS_GID | \
357 XFS_EOF_FLAGS_PRID | \
358 XFS_EOF_FLAGS_MINFILESIZE)
359
360
361 /*
362 * The user-level Handle Request interface structure.
363 */
364 typedef struct xfs_fsop_handlereq {
365 __u32 fd; /* fd for FD_TO_HANDLE */
366 void __user *path; /* user pathname */
367 __u32 oflags; /* open flags */
368 void __user *ihandle;/* user supplied handle */
369 __u32 ihandlen; /* user supplied length */
370 void __user *ohandle;/* user buffer for handle */
371 __u32 __user *ohandlen;/* user buffer length */
372 } xfs_fsop_handlereq_t;
373
374 /*
375 * Compound structures for passing args through Handle Request interfaces
376 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
377 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
378 * XFS_IOC_ATTRMULTI_BY_HANDLE
379 */
380
381 typedef struct xfs_fsop_setdm_handlereq {
382 struct xfs_fsop_handlereq hreq; /* handle information */
383 struct fsdmidata __user *data; /* DMAPI data */
384 } xfs_fsop_setdm_handlereq_t;
385
386 typedef struct xfs_attrlist_cursor {
387 __u32 opaque[4];
388 } xfs_attrlist_cursor_t;
389
390 typedef struct xfs_fsop_attrlist_handlereq {
391 struct xfs_fsop_handlereq hreq; /* handle interface structure */
392 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
393 __u32 flags; /* which namespace to use */
394 __u32 buflen; /* length of buffer supplied */
395 void __user *buffer; /* returned names */
396 } xfs_fsop_attrlist_handlereq_t;
397
398 typedef struct xfs_attr_multiop {
399 __u32 am_opcode;
400 #define ATTR_OP_GET 1 /* return the indicated attr's value */
401 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
402 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */
403 __s32 am_error;
404 void __user *am_attrname;
405 void __user *am_attrvalue;
406 __u32 am_length;
407 __u32 am_flags;
408 } xfs_attr_multiop_t;
409
410 typedef struct xfs_fsop_attrmulti_handlereq {
411 struct xfs_fsop_handlereq hreq; /* handle interface structure */
412 __u32 opcount;/* count of following multiop */
413 struct xfs_attr_multiop __user *ops; /* attr_multi data */
414 } xfs_fsop_attrmulti_handlereq_t;
415
416 /*
417 * per machine unique filesystem identifier types.
418 */
419 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
420
421 typedef struct xfs_fid {
422 __u16 fid_len; /* length of remainder */
423 __u16 fid_pad;
424 __u32 fid_gen; /* generation number */
425 __u64 fid_ino; /* 64 bits inode number */
426 } xfs_fid_t;
427
428 typedef struct xfs_handle {
429 union {
430 __s64 align; /* force alignment of ha_fid */
431 xfs_fsid_t _ha_fsid; /* unique file system identifier */
432 } ha_u;
433 xfs_fid_t ha_fid; /* file system specific file ID */
434 } xfs_handle_t;
435 #define ha_fsid ha_u._ha_fsid
436
437 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \
438 - (char *) &(handle)) \
439 + (handle).ha_fid.fid_len)
440
441 /*
442 * Structure passed to XFS_IOC_SWAPEXT
443 */
444 typedef struct xfs_swapext
445 {
446 __int64_t sx_version; /* version */
447 #define XFS_SX_VERSION 0
448 __int64_t sx_fdtarget; /* fd of target file */
449 __int64_t sx_fdtmp; /* fd of tmp file */
450 xfs_off_t sx_offset; /* offset into file */
451 xfs_off_t sx_length; /* leng from offset */
452 char sx_pad[16]; /* pad space, unused */
453 xfs_bstat_t sx_stat; /* stat of target b4 copy */
454 } xfs_swapext_t;
455
456 /*
457 * Flags for going down operation
458 */
459 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
460 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
461 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
462
463 /*
464 * ioctl limits
465 */
466 #ifdef XATTR_LIST_MAX
467 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
468 #else
469 # define XFS_XATTR_LIST_MAX 65536
470 #endif
471
472
473 /*
474 * ioctl commands that are used by Linux filesystems
475 */
476 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
477 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
478 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION
479
480 /*
481 * ioctl commands that replace IRIX fcntl()'s
482 * For 'documentation' purposed more than anything else,
483 * the "cmd #" field reflects the IRIX fcntl number.
484 */
485 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
486 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
487 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
488 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
489 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
490 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
491 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
492 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
493 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
494 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
495 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
496 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
497 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
498 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
499 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
500 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
501 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
502 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
503 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
504 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
505
506 /*
507 * ioctl commands that replace IRIX syssgi()'s
508 */
509 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
510 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
511 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
512 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
513 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
514 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
515 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
516 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
517 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
518 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
519 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
520 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
521 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
522 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
523 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
524 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
525 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
526 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
527 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
528
529 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
530 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
531
532 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
533 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
534 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
535 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
536 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
537 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */
538
539
540 #ifndef HAVE_BBMACROS
541 /*
542 * Block I/O parameterization. A basic block (BB) is the lowest size of
543 * filesystem allocation, and must equal 512. Length units given to bio
544 * routines are in BB's.
545 */
546 #define BBSHIFT 9
547 #define BBSIZE (1<<BBSHIFT)
548 #define BBMASK (BBSIZE-1)
549 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
550 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
551 #define BBTOB(bbs) ((bbs) << BBSHIFT)
552 #endif
553
554 #endif /* __XFS_FS_H__ */
555