blob: 1335449841cdc1ecc77d2bc8c47ba32c91148993 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott7b718762005-11-02 14:58:39 +11005 * This program is free software; you can redistribute it and/or
Nathan Scott3ddb8fa2006-01-11 15:33:02 +11006 * modify it under the terms of the GNU Lesser General Public License
7 * as published by the Free Software Foundation.
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
Nathan Scott7b718762005-11-02 14:58:39 +11009 * 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
Nathan Scott3ddb8fa2006-01-11 15:33:02 +110012 * GNU Lesser General Public License for more details.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott3ddb8fa2006-01-11 15:33:02 +110014 * You should have received a copy of the GNU Lesser General Public License
Nathan Scott7b718762005-11-02 14:58:39 +110015 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 */
18#ifndef __XFS_FS_H__
19#define __XFS_FS_H__
20
21/*
22 * SGI's XFS filesystem's major stuff (constants, structures)
23 */
24
Linus Torvalds1da177e2005-04-16 15:20:36 -070025/*
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) */
Nathan Scott77bc5be2005-06-21 15:48:04 +100046 __u32 fsx_projid; /* project identifier (get/set) */
47 unsigned char fsx_pad[12];
Linus Torvalds1da177e2005-04-16 15:20:36 -070048};
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 */
Nathan Scottdd9f4382006-01-11 15:28:28 +110066#define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
67#define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
Barry Naujokd3446ea2006-06-09 14:54:19 +100068#define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
Linus Torvalds1da177e2005-04-16 15:20:36 -070069#define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
70
71/*
72 * Structure for XFS_IOC_GETBMAP.
73 * On input, fill in bmv_offset and bmv_length of the first structure
Nathan Scottba0b92d2006-06-09 14:52:00 +100074 * to indicate the area of interest in the file, and bmv_entries with
75 * the number of array elements given back. The first structure is
76 * updated on return to give the offset and length for the next call.
Linus Torvalds1da177e2005-04-16 15:20:36 -070077 */
78#ifndef HAVE_GETBMAP
79struct getbmap {
80 __s64 bmv_offset; /* file offset of segment in blocks */
81 __s64 bmv_block; /* starting block (64-bit daddr_t) */
82 __s64 bmv_length; /* length of segment, blocks */
83 __s32 bmv_count; /* # of entries in array incl. 1st */
84 __s32 bmv_entries; /* # of entries filled in (output) */
85};
86#endif
87
88/*
89 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
90 * are used exactly as in the getbmap structure. The getbmapx structure
91 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
92 * is only used for the first structure. It contains input flags
93 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
94 * in by the XFS_IOC_GETBMAPX command for each returned structure after
95 * the first.
96 */
97#ifndef HAVE_GETBMAPX
98struct getbmapx {
99 __s64 bmv_offset; /* file offset of segment in blocks */
100 __s64 bmv_block; /* starting block (64-bit daddr_t) */
101 __s64 bmv_length; /* length of segment, blocks */
102 __s32 bmv_count; /* # of entries in array incl. 1st */
103 __s32 bmv_entries; /* # of entries filled in (output). */
104 __s32 bmv_iflags; /* input flags (1st structure) */
105 __s32 bmv_oflags; /* output flags (after 1st structure)*/
106 __s32 bmv_unused1; /* future use */
107 __s32 bmv_unused2; /* future use */
108};
109#endif
110
111/* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
112#define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
113#define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
114#define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
115#define BMV_IF_VALID (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC)
116#ifdef __KERNEL__
117#define BMV_IF_EXTENDED 0x40000000 /* getpmapx if set */
118#endif
119
120/* bmv_oflags values - returned for for each non-header segment */
121#define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
122
123/* Convert getbmap <-> getbmapx - move fields from p1 to p2. */
124#define GETBMAP_CONVERT(p1,p2) { \
125 p2.bmv_offset = p1.bmv_offset; \
126 p2.bmv_block = p1.bmv_block; \
127 p2.bmv_length = p1.bmv_length; \
128 p2.bmv_count = p1.bmv_count; \
129 p2.bmv_entries = p1.bmv_entries; }
130
131
132/*
133 * Structure for XFS_IOC_FSSETDM.
134 * For use by backup and restore programs to set the XFS on-disk inode
135 * fields di_dmevmask and di_dmstate. These must be set to exactly and
136 * only values previously obtained via xfs_bulkstat! (Specifically the
137 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
138 */
139#ifndef HAVE_FSDMIDATA
140struct fsdmidata {
141 __u32 fsd_dmevmask; /* corresponds to di_dmevmask */
142 __u16 fsd_padding;
143 __u16 fsd_dmstate; /* corresponds to di_dmstate */
144};
145#endif
146
147/*
148 * File segment locking set data type for 64 bit access.
149 * Also used for all the RESV/FREE interfaces.
150 */
151typedef struct xfs_flock64 {
152 __s16 l_type;
153 __s16 l_whence;
154 __s64 l_start;
155 __s64 l_len; /* len == 0 means until end of file */
156 __s32 l_sysid;
157 __u32 l_pid;
158 __s32 l_pad[4]; /* reserve area */
159} xfs_flock64_t;
160
161/*
162 * Output for XFS_IOC_FSGEOMETRY_V1
163 */
164typedef struct xfs_fsop_geom_v1 {
165 __u32 blocksize; /* filesystem (data) block size */
166 __u32 rtextsize; /* realtime extent size */
167 __u32 agblocks; /* fsblocks in an AG */
168 __u32 agcount; /* number of allocation groups */
169 __u32 logblocks; /* fsblocks in the log */
170 __u32 sectsize; /* (data) sector size, bytes */
171 __u32 inodesize; /* inode size in bytes */
172 __u32 imaxpct; /* max allowed inode space(%) */
173 __u64 datablocks; /* fsblocks in data subvolume */
174 __u64 rtblocks; /* fsblocks in realtime subvol */
175 __u64 rtextents; /* rt extents in realtime subvol*/
176 __u64 logstart; /* starting fsblock of the log */
177 unsigned char uuid[16]; /* unique id of the filesystem */
178 __u32 sunit; /* stripe unit, fsblocks */
179 __u32 swidth; /* stripe width, fsblocks */
180 __s32 version; /* structure version */
181 __u32 flags; /* superblock version flags */
182 __u32 logsectsize; /* log sector size, bytes */
183 __u32 rtsectsize; /* realtime sector size, bytes */
184 __u32 dirblocksize; /* directory block size, bytes */
185} xfs_fsop_geom_v1_t;
186
187/*
188 * Output for XFS_IOC_FSGEOMETRY
189 */
190typedef struct xfs_fsop_geom {
191 __u32 blocksize; /* filesystem (data) block size */
192 __u32 rtextsize; /* realtime extent size */
193 __u32 agblocks; /* fsblocks in an AG */
194 __u32 agcount; /* number of allocation groups */
195 __u32 logblocks; /* fsblocks in the log */
196 __u32 sectsize; /* (data) sector size, bytes */
197 __u32 inodesize; /* inode size in bytes */
198 __u32 imaxpct; /* max allowed inode space(%) */
199 __u64 datablocks; /* fsblocks in data subvolume */
200 __u64 rtblocks; /* fsblocks in realtime subvol */
201 __u64 rtextents; /* rt extents in realtime subvol*/
202 __u64 logstart; /* starting fsblock of the log */
203 unsigned char uuid[16]; /* unique id of the filesystem */
204 __u32 sunit; /* stripe unit, fsblocks */
205 __u32 swidth; /* stripe width, fsblocks */
206 __s32 version; /* structure version */
207 __u32 flags; /* superblock version flags */
208 __u32 logsectsize; /* log sector size, bytes */
209 __u32 rtsectsize; /* realtime sector size, bytes */
210 __u32 dirblocksize; /* directory block size, bytes */
211 __u32 logsunit; /* log stripe unit, bytes */
212} xfs_fsop_geom_t;
213
214/* Output for XFS_FS_COUNTS */
215typedef struct xfs_fsop_counts {
216 __u64 freedata; /* free data section blocks */
217 __u64 freertx; /* free rt extents */
218 __u64 freeino; /* free inodes */
219 __u64 allocino; /* total allocated inodes */
220} xfs_fsop_counts_t;
221
222/* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
223typedef struct xfs_fsop_resblks {
224 __u64 resblks;
225 __u64 resblks_avail;
226} xfs_fsop_resblks_t;
227
228#define XFS_FSOP_GEOM_VERSION 0
229
230#define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
231#define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
232#define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
233#define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
234#define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
235#define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
236#define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
237#define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
238#define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
239#define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
Nathan Scottd8cc8902005-11-02 10:34:53 +1100240#define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241
242
243/*
244 * Minimum and maximum sizes need for growth checks
245 */
246#define XFS_MIN_AG_BLOCKS 64
247#define XFS_MIN_LOG_BLOCKS 512
248#define XFS_MAX_LOG_BLOCKS (64 * 1024)
249#define XFS_MIN_LOG_BYTES (256 * 1024)
250#define XFS_MAX_LOG_BYTES (128 * 1024 * 1024)
251
252/*
253 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
254 */
255typedef struct xfs_growfs_data {
256 __u64 newblocks; /* new data subvol size, fsblocks */
257 __u32 imaxpct; /* new inode space percentage limit */
258} xfs_growfs_data_t;
259
260typedef struct xfs_growfs_log {
261 __u32 newblocks; /* new log size, fsblocks */
262 __u32 isint; /* 1 if new log is internal */
263} xfs_growfs_log_t;
264
265typedef struct xfs_growfs_rt {
266 __u64 newblocks; /* new realtime size, fsblocks */
267 __u32 extsize; /* new realtime extent size, fsblocks */
268} xfs_growfs_rt_t;
269
270
271/*
272 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
273 */
274typedef struct xfs_bstime {
275 time_t tv_sec; /* seconds */
276 __s32 tv_nsec; /* and nanoseconds */
277} xfs_bstime_t;
278
279typedef struct xfs_bstat {
280 __u64 bs_ino; /* inode number */
281 __u16 bs_mode; /* type and mode */
282 __u16 bs_nlink; /* number of links */
283 __u32 bs_uid; /* user id */
284 __u32 bs_gid; /* group id */
285 __u32 bs_rdev; /* device value */
286 __s32 bs_blksize; /* block size */
287 __s64 bs_size; /* file size */
288 xfs_bstime_t bs_atime; /* access time */
289 xfs_bstime_t bs_mtime; /* modify time */
290 xfs_bstime_t bs_ctime; /* inode change time */
291 int64_t bs_blocks; /* number of blocks */
292 __u32 bs_xflags; /* extended flags */
293 __s32 bs_extsize; /* extent size */
294 __s32 bs_extents; /* number of extents */
295 __u32 bs_gen; /* generation count */
296 __u16 bs_projid; /* project id */
297 unsigned char bs_pad[14]; /* pad space, unused */
298 __u32 bs_dmevmask; /* DMIG event mask */
299 __u16 bs_dmstate; /* DMIG state info */
300 __u16 bs_aextents; /* attribute number of extents */
301} xfs_bstat_t;
302
303/*
304 * The user-level BulkStat Request interface structure.
305 */
306typedef struct xfs_fsop_bulkreq {
307 __u64 __user *lastip; /* last inode # pointer */
308 __s32 icount; /* count of entries in buffer */
309 void __user *ubuffer;/* user buffer for inode desc. */
310 __s32 __user *ocount; /* output count pointer */
311} xfs_fsop_bulkreq_t;
312
313
314/*
315 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
316 */
317typedef struct xfs_inogrp {
318 __u64 xi_startino; /* starting inode number */
319 __s32 xi_alloccount; /* # bits set in allocmask */
320 __u64 xi_allocmask; /* mask of allocated inodes */
321} xfs_inogrp_t;
322
323
324/*
325 * Error injection.
326 */
327typedef struct xfs_error_injection {
328 __s32 fd;
329 __s32 errtag;
330} xfs_error_injection_t;
331
332
333/*
334 * The user-level Handle Request interface structure.
335 */
336typedef struct xfs_fsop_handlereq {
337 __u32 fd; /* fd for FD_TO_HANDLE */
338 void __user *path; /* user pathname */
339 __u32 oflags; /* open flags */
340 void __user *ihandle;/* user supplied handle */
341 __u32 ihandlen; /* user supplied length */
342 void __user *ohandle;/* user buffer for handle */
343 __u32 __user *ohandlen;/* user buffer length */
344} xfs_fsop_handlereq_t;
345
346/*
347 * Compound structures for passing args through Handle Request interfaces
348 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
349 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
350 * XFS_IOC_ATTRMULTI_BY_HANDLE
351 */
352
353typedef struct xfs_fsop_setdm_handlereq {
354 struct xfs_fsop_handlereq hreq; /* handle information */
355 struct fsdmidata __user *data; /* DMAPI data */
356} xfs_fsop_setdm_handlereq_t;
357
358typedef struct xfs_attrlist_cursor {
359 __u32 opaque[4];
360} xfs_attrlist_cursor_t;
361
362typedef struct xfs_fsop_attrlist_handlereq {
363 struct xfs_fsop_handlereq hreq; /* handle interface structure */
364 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
365 __u32 flags; /* which namespace to use */
366 __u32 buflen; /* length of buffer supplied */
367 void __user *buffer; /* returned names */
368} xfs_fsop_attrlist_handlereq_t;
369
370typedef struct xfs_attr_multiop {
371 __u32 am_opcode;
372 __s32 am_error;
373 void __user *am_attrname;
374 void __user *am_attrvalue;
375 __u32 am_length;
376 __u32 am_flags;
377} xfs_attr_multiop_t;
378
379typedef struct xfs_fsop_attrmulti_handlereq {
380 struct xfs_fsop_handlereq hreq; /* handle interface structure */
381 __u32 opcount;/* count of following multiop */
382 struct xfs_attr_multiop __user *ops; /* attr_multi data */
383} xfs_fsop_attrmulti_handlereq_t;
384
385/*
386 * per machine unique filesystem identifier types.
387 */
388typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
389
390
391#ifndef HAVE_FID
392#define MAXFIDSZ 46
393
394typedef struct fid {
395 __u16 fid_len; /* length of data in bytes */
396 unsigned char fid_data[MAXFIDSZ]; /* data (fid_len worth) */
397} fid_t;
398#endif
399
400typedef struct xfs_fid {
401 __u16 xfs_fid_len; /* length of remainder */
402 __u16 xfs_fid_pad;
403 __u32 xfs_fid_gen; /* generation number */
404 __u64 xfs_fid_ino; /* 64 bits inode number */
405} xfs_fid_t;
406
407typedef struct xfs_fid2 {
408 __u16 fid_len; /* length of remainder */
409 __u16 fid_pad; /* padding, must be zero */
410 __u32 fid_gen; /* generation number */
411 __u64 fid_ino; /* inode number */
412} xfs_fid2_t;
413
414typedef struct xfs_handle {
415 union {
416 __s64 align; /* force alignment of ha_fid */
417 xfs_fsid_t _ha_fsid; /* unique file system identifier */
418 } ha_u;
419 xfs_fid_t ha_fid; /* file system specific file ID */
420} xfs_handle_t;
421#define ha_fsid ha_u._ha_fsid
422
423#define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.xfs_fid_pad \
424 - (char *) &(handle)) \
425 + (handle).ha_fid.xfs_fid_len)
426
Eric Sandeen3f892432006-09-28 11:02:57 +1000427/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 * Flags for going down operation
429 */
430#define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
431#define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
432#define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
433
434/*
435 * ioctl commands that are used by Linux filesystems
436 */
437#define XFS_IOC_GETXFLAGS _IOR('f', 1, long)
438#define XFS_IOC_SETXFLAGS _IOW('f', 2, long)
439#define XFS_IOC_GETVERSION _IOR('v', 1, long)
440
441/*
442 * ioctl commands that replace IRIX fcntl()'s
443 * For 'documentation' purposed more than anything else,
444 * the "cmd #" field reflects the IRIX fcntl number.
445 */
446#define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
447#define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
448#define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
449#define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
450#define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
451#define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
452#define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
453#define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
454#define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
455#define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
456#define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
457#define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
458#define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
459#define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
460#define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
461/* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
462/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
463#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464
465/*
466 * ioctl commands that replace IRIX syssgi()'s
467 */
468#define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
469#define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
470#define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
471#define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
472#define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
473#define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
474#define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
475#define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
476#define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
477#define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
478#define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
479#define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
480#define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
481#define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
482#define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
483#define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
484#define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
485#define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
486/* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
487#define XFS_IOC_FREEZE _IOWR('X', 119, int)
488#define XFS_IOC_THAW _IOWR('X', 120, int)
489#define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
490#define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
491#define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
492#define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
493#define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
494/* XFS_IOC_GETFSUUID ---------- deprecated 140 */
495
496
497#ifndef HAVE_BBMACROS
498/*
499 * Block I/O parameterization. A basic block (BB) is the lowest size of
500 * filesystem allocation, and must equal 512. Length units given to bio
501 * routines are in BB's.
502 */
503#define BBSHIFT 9
504#define BBSIZE (1<<BBSHIFT)
505#define BBMASK (BBSIZE-1)
506#define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
507#define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
508#define BBTOB(bbs) ((bbs) << BBSHIFT)
509#endif
510
511#endif /* __XFS_FS_H__ */