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xfs_fs.h
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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
31 struct dioattr {
32  __u32 d_mem; /* data buffer memory alignment */
33  __u32 d_miniosz; /* min xfer size */
34  __u32 d_maxiosz; /* max xfer size */
35 };
36 #endif
37 
38 /*
39  * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
40  */
41 #ifndef HAVE_FSXATTR
42 struct 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
80 struct 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
99 struct 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
135 struct 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  */
146 typedef 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  */
159 typedef 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  */
185 typedef 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 */
210 typedef 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 */
218 typedef 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  */
260 typedef 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 
265 typedef 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 
270 typedef 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  */
279 typedef struct xfs_bstime {
280  time_t tv_sec; /* seconds */
281  __s32 tv_nsec; /* and nanoseconds */
282 } xfs_bstime_t;
283 
284 typedef 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  */
314 typedef 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  */
325 typedef 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  */
335 typedef 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  */
344 typedef 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 
361 typedef 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 
366 typedef struct xfs_attrlist_cursor {
367  __u32 opaque[4];
368 } xfs_attrlist_cursor_t;
369 
370 typedef 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 
378 typedef 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 
390 typedef 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  */
399 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
400 
401 typedef 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 
408 typedef 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__ */
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