blob: 095af0a5cff3bc50a4420d81e65ef8ed2b7ae710 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (c) 1995-2003 Silicon Graphics, Inc. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2.1 of the GNU Lesser General Public License
6 * as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this program; if not, write the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
22 * USA.
23 *
24 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
25 * Mountain View, CA 94043, or:
26 *
27 * http://www.sgi.com
28 *
29 * For further information regarding this notice, see:
30 *
31 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
32 */
33#ifndef __XFS_FS_H__
34#define __XFS_FS_H__
35
36/*
37 * SGI's XFS filesystem's major stuff (constants, structures)
38 */
39
40#define XFS_NAME "xfs"
41
42/*
43 * Direct I/O attribute record used with XFS_IOC_DIOINFO
44 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
45 * alignment.
46 */
47#ifndef HAVE_DIOATTR
48struct dioattr {
49 __u32 d_mem; /* data buffer memory alignment */
50 __u32 d_miniosz; /* min xfer size */
51 __u32 d_maxiosz; /* max xfer size */
52};
53#endif
54
55/*
56 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
57 */
58#ifndef HAVE_FSXATTR
59struct fsxattr {
60 __u32 fsx_xflags; /* xflags field value (get/set) */
61 __u32 fsx_extsize; /* extsize field value (get/set)*/
62 __u32 fsx_nextents; /* nextents field value (get) */
Nathan Scott77bc5be2005-06-21 15:48:04 +100063 __u32 fsx_projid; /* project identifier (get/set) */
64 unsigned char fsx_pad[12];
Linus Torvalds1da177e2005-04-16 15:20:36 -070065};
66#endif
67
68/*
69 * Flags for the bs_xflags/fsx_xflags field
70 * There should be a one-to-one correspondence between these flags and the
71 * XFS_DIFLAG_s.
72 */
73#define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
74#define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
75#define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
76#define XFS_XFLAG_APPEND 0x00000010 /* all writes append */
77#define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
78#define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */
79#define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
80#define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
81#define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
82#define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
83#define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
84
85/*
86 * Structure for XFS_IOC_GETBMAP.
87 * On input, fill in bmv_offset and bmv_length of the first structure
88 * to indicate the area of interest in the file, and bmv_entry with the
89 * number of array elements given. The first structure is updated on
90 * return to give the offset and length for the next call.
91 */
92#ifndef HAVE_GETBMAP
93struct getbmap {
94 __s64 bmv_offset; /* file offset of segment in blocks */
95 __s64 bmv_block; /* starting block (64-bit daddr_t) */
96 __s64 bmv_length; /* length of segment, blocks */
97 __s32 bmv_count; /* # of entries in array incl. 1st */
98 __s32 bmv_entries; /* # of entries filled in (output) */
99};
100#endif
101
102/*
103 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
104 * are used exactly as in the getbmap structure. The getbmapx structure
105 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
106 * is only used for the first structure. It contains input flags
107 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
108 * in by the XFS_IOC_GETBMAPX command for each returned structure after
109 * the first.
110 */
111#ifndef HAVE_GETBMAPX
112struct getbmapx {
113 __s64 bmv_offset; /* file offset of segment in blocks */
114 __s64 bmv_block; /* starting block (64-bit daddr_t) */
115 __s64 bmv_length; /* length of segment, blocks */
116 __s32 bmv_count; /* # of entries in array incl. 1st */
117 __s32 bmv_entries; /* # of entries filled in (output). */
118 __s32 bmv_iflags; /* input flags (1st structure) */
119 __s32 bmv_oflags; /* output flags (after 1st structure)*/
120 __s32 bmv_unused1; /* future use */
121 __s32 bmv_unused2; /* future use */
122};
123#endif
124
125/* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
126#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
127#define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
128#define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
129#define BMV_IF_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC)
130#ifdef __KERNEL__
131#define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */
132#endif
133
134/* bmv_oflags values - returned for for each non-header segment */
135#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
136
137/* Convert getbmap <-> getbmapx - move fields from p1 to p2. */
138#define GETBMAP_CONVERT(p1,p2) { \
139 p2.bmv_offset = p1.bmv_offset; \
140 p2.bmv_block = p1.bmv_block; \
141 p2.bmv_length = p1.bmv_length; \
142 p2.bmv_count = p1.bmv_count; \
143 p2.bmv_entries = p1.bmv_entries; }
144
145
146/*
147 * Structure for XFS_IOC_FSSETDM.
148 * For use by backup and restore programs to set the XFS on-disk inode
149 * fields di_dmevmask and di_dmstate. These must be set to exactly and
150 * only values previously obtained via xfs_bulkstat! (Specifically the
151 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
152 */
153#ifndef HAVE_FSDMIDATA
154struct fsdmidata {
155 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
156 __u16 fsd_padding;
157 __u16 fsd_dmstate; /* corresponds to di_dmstate */
158};
159#endif
160
161/*
162 * File segment locking set data type for 64 bit access.
163 * Also used for all the RESV/FREE interfaces.
164 */
165typedef struct xfs_flock64 {
166 __s16 l_type;
167 __s16 l_whence;
168 __s64 l_start;
169 __s64 l_len; /* len == 0 means until end of file */
170 __s32 l_sysid;
171 __u32 l_pid;
172 __s32 l_pad[4]; /* reserve area */
173} xfs_flock64_t;
174
175/*
176 * Output for XFS_IOC_FSGEOMETRY_V1
177 */
178typedef struct xfs_fsop_geom_v1 {
179 __u32 blocksize; /* filesystem (data) block size */
180 __u32 rtextsize; /* realtime extent size */
181 __u32 agblocks; /* fsblocks in an AG */
182 __u32 agcount; /* number of allocation groups */
183 __u32 logblocks; /* fsblocks in the log */
184 __u32 sectsize; /* (data) sector size, bytes */
185 __u32 inodesize; /* inode size in bytes */
186 __u32 imaxpct; /* max allowed inode space(%) */
187 __u64 datablocks; /* fsblocks in data subvolume */
188 __u64 rtblocks; /* fsblocks in realtime subvol */
189 __u64 rtextents; /* rt extents in realtime subvol*/
190 __u64 logstart; /* starting fsblock of the log */
191 unsigned char uuid[16]; /* unique id of the filesystem */
192 __u32 sunit; /* stripe unit, fsblocks */
193 __u32 swidth; /* stripe width, fsblocks */
194 __s32 version; /* structure version */
195 __u32 flags; /* superblock version flags */
196 __u32 logsectsize; /* log sector size, bytes */
197 __u32 rtsectsize; /* realtime sector size, bytes */
198 __u32 dirblocksize; /* directory block size, bytes */
199} xfs_fsop_geom_v1_t;
200
201/*
202 * Output for XFS_IOC_FSGEOMETRY
203 */
204typedef struct xfs_fsop_geom {
205 __u32 blocksize; /* filesystem (data) block size */
206 __u32 rtextsize; /* realtime extent size */
207 __u32 agblocks; /* fsblocks in an AG */
208 __u32 agcount; /* number of allocation groups */
209 __u32 logblocks; /* fsblocks in the log */
210 __u32 sectsize; /* (data) sector size, bytes */
211 __u32 inodesize; /* inode size in bytes */
212 __u32 imaxpct; /* max allowed inode space(%) */
213 __u64 datablocks; /* fsblocks in data subvolume */
214 __u64 rtblocks; /* fsblocks in realtime subvol */
215 __u64 rtextents; /* rt extents in realtime subvol*/
216 __u64 logstart; /* starting fsblock of the log */
217 unsigned char uuid[16]; /* unique id of the filesystem */
218 __u32 sunit; /* stripe unit, fsblocks */
219 __u32 swidth; /* stripe width, fsblocks */
220 __s32 version; /* structure version */
221 __u32 flags; /* superblock version flags */
222 __u32 logsectsize; /* log sector size, bytes */
223 __u32 rtsectsize; /* realtime sector size, bytes */
224 __u32 dirblocksize; /* directory block size, bytes */
225 __u32 logsunit; /* log stripe unit, bytes */
226} xfs_fsop_geom_t;
227
228/* Output for XFS_FS_COUNTS */
229typedef struct xfs_fsop_counts {
230 __u64 freedata; /* free data section blocks */
231 __u64 freertx; /* free rt extents */
232 __u64 freeino; /* free inodes */
233 __u64 allocino; /* total allocated inodes */
234} xfs_fsop_counts_t;
235
236/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
237typedef struct xfs_fsop_resblks {
238 __u64 resblks;
239 __u64 resblks_avail;
240} xfs_fsop_resblks_t;
241
242#define XFS_FSOP_GEOM_VERSION 0
243
244#define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
245#define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
246#define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
247#define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
248#define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
249#define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
250#define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
251#define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
252#define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
253#define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
254
255
256/*
257 * Minimum and maximum sizes need for growth checks
258 */
259#define XFS_MIN_AG_BLOCKS 64
260#define XFS_MIN_LOG_BLOCKS 512
261#define XFS_MAX_LOG_BLOCKS (64 * 1024)
262#define XFS_MIN_LOG_BYTES (256 * 1024)
263#define XFS_MAX_LOG_BYTES (128 * 1024 * 1024)
264
265/*
266 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
267 */
268typedef struct xfs_growfs_data {
269 __u64 newblocks; /* new data subvol size, fsblocks */
270 __u32 imaxpct; /* new inode space percentage limit */
271} xfs_growfs_data_t;
272
273typedef struct xfs_growfs_log {
274 __u32 newblocks; /* new log size, fsblocks */
275 __u32 isint; /* 1 if new log is internal */
276} xfs_growfs_log_t;
277
278typedef struct xfs_growfs_rt {
279 __u64 newblocks; /* new realtime size, fsblocks */
280 __u32 extsize; /* new realtime extent size, fsblocks */
281} xfs_growfs_rt_t;
282
283
284/*
285 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
286 */
287typedef struct xfs_bstime {
288 time_t tv_sec; /* seconds */
289 __s32 tv_nsec; /* and nanoseconds */
290} xfs_bstime_t;
291
292typedef struct xfs_bstat {
293 __u64 bs_ino; /* inode number */
294 __u16 bs_mode; /* type and mode */
295 __u16 bs_nlink; /* number of links */
296 __u32 bs_uid; /* user id */
297 __u32 bs_gid; /* group id */
298 __u32 bs_rdev; /* device value */
299 __s32 bs_blksize; /* block size */
300 __s64 bs_size; /* file size */
301 xfs_bstime_t bs_atime; /* access time */
302 xfs_bstime_t bs_mtime; /* modify time */
303 xfs_bstime_t bs_ctime; /* inode change time */
304 int64_t bs_blocks; /* number of blocks */
305 __u32 bs_xflags; /* extended flags */
306 __s32 bs_extsize; /* extent size */
307 __s32 bs_extents; /* number of extents */
308 __u32 bs_gen; /* generation count */
309 __u16 bs_projid; /* project id */
310 unsigned char bs_pad[14]; /* pad space, unused */
311 __u32 bs_dmevmask; /* DMIG event mask */
312 __u16 bs_dmstate; /* DMIG state info */
313 __u16 bs_aextents; /* attribute number of extents */
314} xfs_bstat_t;
315
316/*
317 * The user-level BulkStat Request interface structure.
318 */
319typedef struct xfs_fsop_bulkreq {
320 __u64 __user *lastip; /* last inode # pointer */
321 __s32 icount; /* count of entries in buffer */
322 void __user *ubuffer;/* user buffer for inode desc. */
323 __s32 __user *ocount; /* output count pointer */
324} xfs_fsop_bulkreq_t;
325
326
327/*
328 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
329 */
330typedef struct xfs_inogrp {
331 __u64 xi_startino; /* starting inode number */
332 __s32 xi_alloccount; /* # bits set in allocmask */
333 __u64 xi_allocmask; /* mask of allocated inodes */
334} xfs_inogrp_t;
335
336
337/*
338 * Error injection.
339 */
340typedef struct xfs_error_injection {
341 __s32 fd;
342 __s32 errtag;
343} xfs_error_injection_t;
344
345
346/*
347 * The user-level Handle Request interface structure.
348 */
349typedef struct xfs_fsop_handlereq {
350 __u32 fd; /* fd for FD_TO_HANDLE */
351 void __user *path; /* user pathname */
352 __u32 oflags; /* open flags */
353 void __user *ihandle;/* user supplied handle */
354 __u32 ihandlen; /* user supplied length */
355 void __user *ohandle;/* user buffer for handle */
356 __u32 __user *ohandlen;/* user buffer length */
357} xfs_fsop_handlereq_t;
358
359/*
360 * Compound structures for passing args through Handle Request interfaces
361 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
362 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
363 * XFS_IOC_ATTRMULTI_BY_HANDLE
364 */
365
366typedef struct xfs_fsop_setdm_handlereq {
367 struct xfs_fsop_handlereq hreq; /* handle information */
368 struct fsdmidata __user *data; /* DMAPI data */
369} xfs_fsop_setdm_handlereq_t;
370
371typedef struct xfs_attrlist_cursor {
372 __u32 opaque[4];
373} xfs_attrlist_cursor_t;
374
375typedef struct xfs_fsop_attrlist_handlereq {
376 struct xfs_fsop_handlereq hreq; /* handle interface structure */
377 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
378 __u32 flags; /* which namespace to use */
379 __u32 buflen; /* length of buffer supplied */
380 void __user *buffer; /* returned names */
381} xfs_fsop_attrlist_handlereq_t;
382
383typedef struct xfs_attr_multiop {
384 __u32 am_opcode;
385 __s32 am_error;
386 void __user *am_attrname;
387 void __user *am_attrvalue;
388 __u32 am_length;
389 __u32 am_flags;
390} xfs_attr_multiop_t;
391
392typedef struct xfs_fsop_attrmulti_handlereq {
393 struct xfs_fsop_handlereq hreq; /* handle interface structure */
394 __u32 opcount;/* count of following multiop */
395 struct xfs_attr_multiop __user *ops; /* attr_multi data */
396} xfs_fsop_attrmulti_handlereq_t;
397
398/*
399 * per machine unique filesystem identifier types.
400 */
401typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
402
403
404#ifndef HAVE_FID
405#define MAXFIDSZ 46
406
407typedef struct fid {
408 __u16 fid_len; /* length of data in bytes */
409 unsigned char fid_data[MAXFIDSZ]; /* data (fid_len worth) */
410} fid_t;
411#endif
412
413typedef struct xfs_fid {
414 __u16 xfs_fid_len; /* length of remainder */
415 __u16 xfs_fid_pad;
416 __u32 xfs_fid_gen; /* generation number */
417 __u64 xfs_fid_ino; /* 64 bits inode number */
418} xfs_fid_t;
419
420typedef struct xfs_fid2 {
421 __u16 fid_len; /* length of remainder */
422 __u16 fid_pad; /* padding, must be zero */
423 __u32 fid_gen; /* generation number */
424 __u64 fid_ino; /* inode number */
425} xfs_fid2_t;
426
427typedef struct xfs_handle {
428 union {
429 __s64 align; /* force alignment of ha_fid */
430 xfs_fsid_t _ha_fsid; /* unique file system identifier */
431 } ha_u;
432 xfs_fid_t ha_fid; /* file system specific file ID */
433} xfs_handle_t;
434#define ha_fsid ha_u._ha_fsid
435
436#define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.xfs_fid_pad \
437 - (char *) &(handle)) \
438 + (handle).ha_fid.xfs_fid_len)
439
440#define XFS_HANDLE_CMP(h1, h2) memcmp(h1, h2, sizeof(xfs_handle_t))
441
442#define FSHSIZE sizeof(fsid_t)
443
444/*
445 * Flags for going down operation
446 */
447#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
448#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
449#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
450
451/*
452 * ioctl commands that are used by Linux filesystems
453 */
454#define XFS_IOC_GETXFLAGS _IOR('f', 1, long)
455#define XFS_IOC_SETXFLAGS _IOW('f', 2, long)
456#define XFS_IOC_GETVERSION _IOR('v', 1, long)
457
458/*
459 * ioctl commands that replace IRIX fcntl()'s
460 * For 'documentation' purposed more than anything else,
461 * the "cmd #" field reflects the IRIX fcntl number.
462 */
463#define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
464#define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
465#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
466#define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
467#define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
468#define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
469#define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
470#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
471#define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
472#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
473#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
474#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
475#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
476#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
477#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
478/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
479/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
480#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700481
482/*
483 * ioctl commands that replace IRIX syssgi()'s
484 */
485#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
486#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
487#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
488#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
489#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
490#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
491#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
492#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
493#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
494#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
495#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
496#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
497#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
498#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
499#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
500#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
501#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
502#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
503/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
504#define XFS_IOC_FREEZE _IOWR('X', 119, int)
505#define XFS_IOC_THAW _IOWR('X', 120, int)
506#define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
507#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
508#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
509#define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
510#define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
511/* XFS_IOC_GETFSUUID ---------- deprecated 140 */
512
513
514#ifndef HAVE_BBMACROS
515/*
516 * Block I/O parameterization. A basic block (BB) is the lowest size of
517 * filesystem allocation, and must equal 512. Length units given to bio
518 * routines are in BB's.
519 */
520#define BBSHIFT 9
521#define BBSIZE (1<<BBSHIFT)
522#define BBMASK (BBSIZE-1)
523#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
524#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
525#define BBTOB(bbs) ((bbs) << BBSHIFT)
526#endif
527
528#endif /* __XFS_FS_H__ */