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_DIOINFO
16 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
17 * alignment.
18 */
19 #ifndef HAVE_DIOATTR
20 struct 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 #endif
26
27 /*
28 * Structure for XFS_IOC_GETBMAP.
29 * On input, fill in bmv_offset and bmv_length of the first structure
30 * to indicate the area of interest in the file, and bmv_entries with
31 * the number of array elements given back. The first structure is
32 * updated on return to give the offset and length for the next call.
33 */
34 #ifndef HAVE_GETBMAP
35 struct 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 #endif
43
44 /*
45 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
46 * are used exactly as in the getbmap structure. The getbmapx structure
47 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
48 * is only used for the first structure. It contains input flags
49 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
50 * in by the XFS_IOC_GETBMAPX command for each returned structure after
51 * the first.
52 */
53 #ifndef HAVE_GETBMAPX
54 struct 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 #endif
66
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 */
100 typedef 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_V1
112 */
113 struct 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_V4
138 */
139 struct 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_FSGEOMETRY
165 */
166 struct 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 */
203 typedef 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 */
211 typedef struct xfs_fsop_resblks {
212 __u64 resblks;
213 __u64 resblks_avail;
214 } xfs_fsop_resblks_t;
215
216 #define XFS_FSOP_GEOM_VERSION 0
217 #define XFS_FSOP_GEOM_VERSION_V5 5
218
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 64
252 #define XFS_MIN_LOG_BLOCKS 512ULL
253 #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 than
258 * 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_GEOMETRY
278 */
279 struct 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_FSGROWFSRT
304 */
305 typedef 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
310 typedef 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
315 typedef 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_SINGLE
323 */
324 typedef struct xfs_bstime {
325 __kernel_long_t tv_sec; /* seconds */
326 __s32 tv_nsec; /* and nanoseconds */
327 } xfs_bstime_t;
328
329 struct 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 */
360 struct 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 only
419 * and using two 16bit values to hold new 32bit projid was chosen
420 * to retain compatibility with "old" filesystems).
421 */
422 static inline uint32_t
bstat_get_projid(const struct xfs_bstat * bs)423 bstat_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 */
431 struct 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 */
441 struct 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 */
448 struct 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. */
460 struct 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, start
471 * 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 a
477 * 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 assign
484 * 0 to xfs_bulkstat->bs_extents when the flag is set. Otherwise, use
485 * xfs_bulkstat->bs_extents for returning data fork extent count and set
486 * xfs_bulkstat->bs_extents64 to 0. In the second case, return -EOVERFLOW and
487 * assign 0 to xfs_bulkstat->bs_extents if data fork extent count is larger than
488 * 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 requests
501 */
502 struct 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
509 struct 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 */
519 typedef 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 1
529 struct 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 in
548 * 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 */
560 typedef 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 interfaces
572 * xfs_attrlist_by_handle, xfs_attrmulti_by_handle
573 * - ioctls: XFS_IOC_ATTRLIST_BY_HANDLE, and XFS_IOC_ATTRMULTI_BY_HANDLE
574 */
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
586 typedef 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 the
592 * XFS_IOC_ATTRLIST_BY_HANDLE ioctl. struct xfs_attrlist is the header at the
593 * beginning of the returned buffer, and a each entry in al_offset contains the
594 * relative offset of an xfs_attrlist_ent containing the actual entry.
595 *
596 * NOTE: struct xfs_attrlist must match struct attrlist defined in libattr, and
597 * struct xfs_attrlist_ent must match struct attrlist_ent defined in libattr.
598 */
599 struct 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
605 struct 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
610 typedef 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
618 typedef 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
630 typedef 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 */
639 typedef struct xfs_fsid {
640 __u32 val[2]; /* file system id type */
641 } xfs_fsid_t;
642
643 typedef 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
650 typedef 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_fsid
658
659 /*
660 * Structure passed to XFS_IOC_SWAPEXT
661 */
662 typedef struct xfs_swapext
663 {
664 int64_t sx_version; /* version */
665 #define XFS_SX_VERSION 0
666 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 operation
676 */
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 */
682 struct 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 29
728
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 have
733 * sv_flags bits set that match the OFLAG bits in the barrier vector's
734 * 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, but
746 * 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 or
764 * 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
784 struct 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. */
792 struct 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 limits
807 */
808 #ifdef XATTR_LIST_MAX
809 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
810 #else
811 # define XFS_XATTR_LIST_MAX 65536
812 #endif
813
814 /*
815 * Exchange part of file1 with part of the file that this ioctl that is being
816 * called against (which we'll call file2). Filesystems must be able to
817 * restart and complete the operation even after the system goes down.
818 */
819 struct 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 the
831 * contents of file1 into file2 if file2 has the same inode number, mtime, and
832 * ctime as the arguments provided to the call. The old contents of file2 will
833 * 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 after
838 * the system goes down.
839 */
840 struct 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 exchange
855 * the file sizes. This flag can be used to replace a file's contents with a
856 * 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 units
868 * mapped to file1's range have been written to. This can accelerate
869 * scatter-gather atomic writes with a temp file if all writes are aligned to
870 * 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
892 struct 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 */
900 struct xfs_getparents {
901 /*
902 * Structure to track progress in iterating the parent pointers.
903 * Must be initialized to zeroes before the first ioctl call, and
904 * 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
924 static inline struct xfs_getparents_rec *
xfs_getparents_first_rec(struct xfs_getparents * gp)925 xfs_getparents_first_rec(struct xfs_getparents *gp)
926 {
927 return (struct xfs_getparents_rec *)(uintptr_t)gp->gp_buffer;
928 }
929
930 static inline struct xfs_getparents_rec *
xfs_getparents_next_rec(struct xfs_getparents * gp,struct xfs_getparents_rec * gpr)931 xfs_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. */
944 struct 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 filesystems
953 */
954 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
955 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
956 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION
957
958 /*
959 * ioctl commands that replace IRIX fcntl()'s
960 * 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_FSGETXATTR
967 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
968 /* 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()'s
992 */
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_BBMACROS
1031 /*
1032 * Block I/O parameterization. A basic block (BB) is the lowest size of
1033 * filesystem allocation, and must equal 512. Length units given to bio
1034 * routines are in BB's.
1035 */
1036 #define BBSHIFT 9
1037 #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 #endif
1043
1044 #endif /* __XFS_FS_H__ */
1045