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