2 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
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.
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.
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
22 * SGI's XFS filesystem's major stuff (constants, structures)
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
32 __u32 d_mem
; /* data buffer memory alignment */
33 __u32 d_miniosz
; /* min xfer size */
34 __u32 d_maxiosz
; /* max xfer size */
39 * Structure for XFS_IOC_GETBMAP.
40 * On input, fill in bmv_offset and bmv_length of the first structure
41 * to indicate the area of interest in the file, and bmv_entries with
42 * the number of array elements given back. The first structure is
43 * updated on return to give the offset and length for the next call.
47 __s64 bmv_offset
; /* file offset of segment in blocks */
48 __s64 bmv_block
; /* starting block (64-bit daddr_t) */
49 __s64 bmv_length
; /* length of segment, blocks */
50 __s32 bmv_count
; /* # of entries in array incl. 1st */
51 __s32 bmv_entries
; /* # of entries filled in (output) */
56 * Structure for XFS_IOC_GETBMAPX. Fields bmv_offset through bmv_entries
57 * are used exactly as in the getbmap structure. The getbmapx structure
58 * has additional bmv_iflags and bmv_oflags fields. The bmv_iflags field
59 * is only used for the first structure. It contains input flags
60 * specifying XFS_IOC_GETBMAPX actions. The bmv_oflags field is filled
61 * in by the XFS_IOC_GETBMAPX command for each returned structure after
66 __s64 bmv_offset
; /* file offset of segment in blocks */
67 __s64 bmv_block
; /* starting block (64-bit daddr_t) */
68 __s64 bmv_length
; /* length of segment, blocks */
69 __s32 bmv_count
; /* # of entries in array incl. 1st */
70 __s32 bmv_entries
; /* # of entries filled in (output). */
71 __s32 bmv_iflags
; /* input flags (1st structure) */
72 __s32 bmv_oflags
; /* output flags (after 1st structure)*/
73 __s32 bmv_unused1
; /* future use */
74 __s32 bmv_unused2
; /* future use */
78 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
79 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
80 #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
81 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
82 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
83 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
84 #define BMV_IF_VALID \
85 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
86 BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
88 /* bmv_oflags values - returned for each non-header segment */
89 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
90 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
91 #define BMV_OF_LAST 0x4 /* segment is the last in the file */
94 * Structure for XFS_IOC_FSSETDM.
95 * For use by backup and restore programs to set the XFS on-disk inode
96 * fields di_dmevmask and di_dmstate. These must be set to exactly and
97 * only values previously obtained via xfs_bulkstat! (Specifically the
98 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
100 #ifndef HAVE_FSDMIDATA
102 __u32 fsd_dmevmask
; /* corresponds to di_dmevmask */
104 __u16 fsd_dmstate
; /* corresponds to di_dmstate */
109 * File segment locking set data type for 64 bit access.
110 * Also used for all the RESV/FREE interfaces.
112 typedef struct xfs_flock64
{
116 __s64 l_len
; /* len == 0 means until end of file */
119 __s32 l_pad
[4]; /* reserve area */
123 * Output for XFS_IOC_FSGEOMETRY_V1
125 typedef struct xfs_fsop_geom_v1
{
126 __u32 blocksize
; /* filesystem (data) block size */
127 __u32 rtextsize
; /* realtime extent size */
128 __u32 agblocks
; /* fsblocks in an AG */
129 __u32 agcount
; /* number of allocation groups */
130 __u32 logblocks
; /* fsblocks in the log */
131 __u32 sectsize
; /* (data) sector size, bytes */
132 __u32 inodesize
; /* inode size in bytes */
133 __u32 imaxpct
; /* max allowed inode space(%) */
134 __u64 datablocks
; /* fsblocks in data subvolume */
135 __u64 rtblocks
; /* fsblocks in realtime subvol */
136 __u64 rtextents
; /* rt extents in realtime subvol*/
137 __u64 logstart
; /* starting fsblock of the log */
138 unsigned char uuid
[16]; /* unique id of the filesystem */
139 __u32 sunit
; /* stripe unit, fsblocks */
140 __u32 swidth
; /* stripe width, fsblocks */
141 __s32 version
; /* structure version */
142 __u32 flags
; /* superblock version flags */
143 __u32 logsectsize
; /* log sector size, bytes */
144 __u32 rtsectsize
; /* realtime sector size, bytes */
145 __u32 dirblocksize
; /* directory block size, bytes */
146 } xfs_fsop_geom_v1_t
;
149 * Output for XFS_IOC_FSGEOMETRY
151 typedef struct xfs_fsop_geom
{
152 __u32 blocksize
; /* filesystem (data) block size */
153 __u32 rtextsize
; /* realtime extent size */
154 __u32 agblocks
; /* fsblocks in an AG */
155 __u32 agcount
; /* number of allocation groups */
156 __u32 logblocks
; /* fsblocks in the log */
157 __u32 sectsize
; /* (data) sector size, bytes */
158 __u32 inodesize
; /* inode size in bytes */
159 __u32 imaxpct
; /* max allowed inode space(%) */
160 __u64 datablocks
; /* fsblocks in data subvolume */
161 __u64 rtblocks
; /* fsblocks in realtime subvol */
162 __u64 rtextents
; /* rt extents in realtime subvol*/
163 __u64 logstart
; /* starting fsblock of the log */
164 unsigned char uuid
[16]; /* unique id of the filesystem */
165 __u32 sunit
; /* stripe unit, fsblocks */
166 __u32 swidth
; /* stripe width, fsblocks */
167 __s32 version
; /* structure version */
168 __u32 flags
; /* superblock version flags */
169 __u32 logsectsize
; /* log sector size, bytes */
170 __u32 rtsectsize
; /* realtime sector size, bytes */
171 __u32 dirblocksize
; /* directory block size, bytes */
172 __u32 logsunit
; /* log stripe unit, bytes */
175 /* Output for XFS_FS_COUNTS */
176 typedef struct xfs_fsop_counts
{
177 __u64 freedata
; /* free data section blocks */
178 __u64 freertx
; /* free rt extents */
179 __u64 freeino
; /* free inodes */
180 __u64 allocino
; /* total allocated inodes */
183 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
184 typedef struct xfs_fsop_resblks
{
187 } xfs_fsop_resblks_t
;
189 #define XFS_FSOP_GEOM_VERSION 0
191 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
192 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
193 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
194 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
195 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
196 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
197 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
198 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
199 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
200 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
201 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
202 #define XFS_FSOP_GEOM_FLAGS_PROJID32 0x0800 /* 32-bit project IDs */
203 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
204 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
205 #define XFS_FSOP_GEOM_FLAGS_V5SB 0x8000 /* version 5 superblock */
206 #define XFS_FSOP_GEOM_FLAGS_FTYPE 0x10000 /* inode directory types */
207 #define XFS_FSOP_GEOM_FLAGS_FINOBT 0x20000 /* free inode btree */
208 #define XFS_FSOP_GEOM_FLAGS_SPINODES 0x40000 /* sparse inode chunks */
209 #define XFS_FSOP_GEOM_FLAGS_RMAPBT 0x80000 /* Reverse mapping btree */
212 * Minimum and maximum sizes need for growth checks.
214 * Block counts are in units of filesystem blocks, not basic blocks.
216 #define XFS_MIN_AG_BLOCKS 64
217 #define XFS_MIN_LOG_BLOCKS 512ULL
218 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
219 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
221 /* keep the maximum size under 2^31 by a small amount */
222 #define XFS_MAX_LOG_BYTES \
223 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
225 /* Used for sanity checks on superblock */
226 #define XFS_MAX_DBLOCKS(s) ((xfs_rfsblock_t)(s)->sb_agcount * (s)->sb_agblocks)
227 #define XFS_MIN_DBLOCKS(s) ((xfs_rfsblock_t)((s)->sb_agcount - 1) * \
228 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
231 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
233 typedef struct xfs_growfs_data
{
234 __u64 newblocks
; /* new data subvol size, fsblocks */
235 __u32 imaxpct
; /* new inode space percentage limit */
238 typedef struct xfs_growfs_log
{
239 __u32 newblocks
; /* new log size, fsblocks */
240 __u32 isint
; /* 1 if new log is internal */
243 typedef struct xfs_growfs_rt
{
244 __u64 newblocks
; /* new realtime size, fsblocks */
245 __u32 extsize
; /* new realtime extent size, fsblocks */
250 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
252 typedef struct xfs_bstime
{
253 time_t tv_sec
; /* seconds */
254 __s32 tv_nsec
; /* and nanoseconds */
257 typedef struct xfs_bstat
{
258 __u64 bs_ino
; /* inode number */
259 __u16 bs_mode
; /* type and mode */
260 __u16 bs_nlink
; /* number of links */
261 __u32 bs_uid
; /* user id */
262 __u32 bs_gid
; /* group id */
263 __u32 bs_rdev
; /* device value */
264 __s32 bs_blksize
; /* block size */
265 __s64 bs_size
; /* file size */
266 xfs_bstime_t bs_atime
; /* access time */
267 xfs_bstime_t bs_mtime
; /* modify time */
268 xfs_bstime_t bs_ctime
; /* inode change time */
269 int64_t bs_blocks
; /* number of blocks */
270 __u32 bs_xflags
; /* extended flags */
271 __s32 bs_extsize
; /* extent size */
272 __s32 bs_extents
; /* number of extents */
273 __u32 bs_gen
; /* generation count */
274 __u16 bs_projid_lo
; /* lower part of project id */
275 #define bs_projid bs_projid_lo /* (previously just bs_projid) */
276 __u16 bs_forkoff
; /* inode fork offset in bytes */
277 __u16 bs_projid_hi
; /* higher part of project id */
278 unsigned char bs_pad
[10]; /* pad space, unused */
279 __u32 bs_dmevmask
; /* DMIG event mask */
280 __u16 bs_dmstate
; /* DMIG state info */
281 __u16 bs_aextents
; /* attribute number of extents */
285 * Project quota id helpers (previously projid was 16bit only
286 * and using two 16bit values to hold new 32bit projid was choosen
287 * to retain compatibility with "old" filesystems).
289 static inline __uint32_t
290 bstat_get_projid(struct xfs_bstat
*bs
)
292 return (__uint32_t
)bs
->bs_projid_hi
<< 16 | bs
->bs_projid_lo
;
296 * The user-level BulkStat Request interface structure.
298 typedef struct xfs_fsop_bulkreq
{
299 __u64 __user
*lastip
; /* last inode # pointer */
300 __s32 icount
; /* count of entries in buffer */
301 void __user
*ubuffer
;/* user buffer for inode desc. */
302 __s32 __user
*ocount
; /* output count pointer */
303 } xfs_fsop_bulkreq_t
;
307 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
309 typedef struct xfs_inogrp
{
310 __u64 xi_startino
; /* starting inode number */
311 __s32 xi_alloccount
; /* # bits set in allocmask */
312 __u64 xi_allocmask
; /* mask of allocated inodes */
319 typedef struct xfs_error_injection
{
322 } xfs_error_injection_t
;
326 * Speculative preallocation trimming.
328 #define XFS_EOFBLOCKS_VERSION 1
329 struct xfs_fs_eofblocks
{
336 __u64 eof_min_file_size
;
340 /* eof_flags values */
341 #define XFS_EOF_FLAGS_SYNC (1 << 0) /* sync/wait mode scan */
342 #define XFS_EOF_FLAGS_UID (1 << 1) /* filter by uid */
343 #define XFS_EOF_FLAGS_GID (1 << 2) /* filter by gid */
344 #define XFS_EOF_FLAGS_PRID (1 << 3) /* filter by project id */
345 #define XFS_EOF_FLAGS_MINFILESIZE (1 << 4) /* filter by min file size */
346 #define XFS_EOF_FLAGS_UNION (1 << 5) /* union filter algorithm;
347 * kernel only, not included in
349 #define XFS_EOF_FLAGS_VALID \
350 (XFS_EOF_FLAGS_SYNC | \
351 XFS_EOF_FLAGS_UID | \
352 XFS_EOF_FLAGS_GID | \
353 XFS_EOF_FLAGS_PRID | \
354 XFS_EOF_FLAGS_MINFILESIZE)
358 * The user-level Handle Request interface structure.
360 typedef struct xfs_fsop_handlereq
{
361 __u32 fd
; /* fd for FD_TO_HANDLE */
362 void __user
*path
; /* user pathname */
363 __u32 oflags
; /* open flags */
364 void __user
*ihandle
;/* user supplied handle */
365 __u32 ihandlen
; /* user supplied length */
366 void __user
*ohandle
;/* user buffer for handle */
367 __u32 __user
*ohandlen
;/* user buffer length */
368 } xfs_fsop_handlereq_t
;
371 * Compound structures for passing args through Handle Request interfaces
372 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
373 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
374 * XFS_IOC_ATTRMULTI_BY_HANDLE
377 typedef struct xfs_fsop_setdm_handlereq
{
378 struct xfs_fsop_handlereq hreq
; /* handle information */
379 struct fsdmidata __user
*data
; /* DMAPI data */
380 } xfs_fsop_setdm_handlereq_t
;
382 typedef struct xfs_attrlist_cursor
{
384 } xfs_attrlist_cursor_t
;
386 typedef struct xfs_fsop_attrlist_handlereq
{
387 struct xfs_fsop_handlereq hreq
; /* handle interface structure */
388 struct xfs_attrlist_cursor pos
; /* opaque cookie, list offset */
389 __u32 flags
; /* which namespace to use */
390 __u32 buflen
; /* length of buffer supplied */
391 void __user
*buffer
; /* returned names */
392 } xfs_fsop_attrlist_handlereq_t
;
394 typedef struct xfs_attr_multiop
{
396 #define ATTR_OP_GET 1 /* return the indicated attr's value */
397 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
398 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */
400 void __user
*am_attrname
;
401 void __user
*am_attrvalue
;
404 } xfs_attr_multiop_t
;
406 typedef struct xfs_fsop_attrmulti_handlereq
{
407 struct xfs_fsop_handlereq hreq
; /* handle interface structure */
408 __u32 opcount
;/* count of following multiop */
409 struct xfs_attr_multiop __user
*ops
; /* attr_multi data */
410 } xfs_fsop_attrmulti_handlereq_t
;
413 * per machine unique filesystem identifier types.
415 typedef struct { __u32 val
[2]; } xfs_fsid_t
; /* file system id type */
417 typedef struct xfs_fid
{
418 __u16 fid_len
; /* length of remainder */
420 __u32 fid_gen
; /* generation number */
421 __u64 fid_ino
; /* 64 bits inode number */
424 typedef struct xfs_handle
{
426 __s64 align
; /* force alignment of ha_fid */
427 xfs_fsid_t _ha_fsid
; /* unique file system identifier */
429 xfs_fid_t ha_fid
; /* file system specific file ID */
431 #define ha_fsid ha_u._ha_fsid
433 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \
434 - (char *) &(handle)) \
435 + (handle).ha_fid.fid_len)
438 * Structure passed to XFS_IOC_SWAPEXT
440 typedef struct xfs_swapext
442 __int64_t sx_version
; /* version */
443 #define XFS_SX_VERSION 0
444 __int64_t sx_fdtarget
; /* fd of target file */
445 __int64_t sx_fdtmp
; /* fd of tmp file */
446 xfs_off_t sx_offset
; /* offset into file */
447 xfs_off_t sx_length
; /* leng from offset */
448 char sx_pad
[16]; /* pad space, unused */
449 xfs_bstat_t sx_stat
; /* stat of target b4 copy */
453 * Flags for going down operation
455 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
456 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
457 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
462 #ifdef XATTR_LIST_MAX
463 # define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
465 # define XFS_XATTR_LIST_MAX 65536
470 * ioctl commands that are used by Linux filesystems
472 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
473 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
474 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION
477 * ioctl commands that replace IRIX fcntl()'s
478 * For 'documentation' purposed more than anything else,
479 * the "cmd #" field reflects the IRIX fcntl number.
481 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
482 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
483 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
484 #define XFS_IOC_FSGETXATTR FS_IOC_FSGETXATTR
485 #define XFS_IOC_FSSETXATTR FS_IOC_FSSETXATTR
486 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
487 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
488 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
489 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
490 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
491 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
492 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
493 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
494 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
495 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
496 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
497 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
498 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
499 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
500 #define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
503 * ioctl commands that replace IRIX syssgi()'s
505 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
506 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
507 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
508 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
509 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
510 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
511 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
512 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
513 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
514 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
515 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
516 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
517 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
518 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
519 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
520 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
521 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
522 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
523 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
525 #define XFS_IOC_FREEZE _IOWR('X', 119, int) /* aka FIFREEZE */
526 #define XFS_IOC_THAW _IOWR('X', 120, int) /* aka FITHAW */
528 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
529 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
530 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
531 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
532 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
533 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */
536 #ifndef HAVE_BBMACROS
538 * Block I/O parameterization. A basic block (BB) is the lowest size of
539 * filesystem allocation, and must equal 512. Length units given to bio
540 * routines are in BB's.
543 #define BBSIZE (1<<BBSHIFT)
544 #define BBMASK (BBSIZE-1)
545 #define BTOBB(bytes) (((__u64)(bytes) + BBSIZE - 1) >> BBSHIFT)
546 #define BTOBBT(bytes) ((__u64)(bytes) >> BBSHIFT)
547 #define BBTOB(bbs) ((bbs) << BBSHIFT)
550 #endif /* __XFS_FS_H__ */