xref: /openbmc/linux/fs/xfs/libxfs/xfs_fs.h (revision 0317cd52)
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_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.
44  */
45 #ifndef HAVE_GETBMAP
46 struct getbmap {
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)  */
52 };
53 #endif
54 
55 /*
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
62  *	the first.
63  */
64 #ifndef HAVE_GETBMAPX
65 struct getbmapx {
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			    */
75 };
76 #endif
77 
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)
87 
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 */
92 
93 /*
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.)
99  */
100 #ifndef HAVE_FSDMIDATA
101 struct fsdmidata {
102 	__u32		fsd_dmevmask;	/* corresponds to di_dmevmask */
103 	__u16		fsd_padding;
104 	__u16		fsd_dmstate;	/* corresponds to di_dmstate  */
105 };
106 #endif
107 
108 /*
109  * File segment locking set data type for 64 bit access.
110  * Also used for all the RESV/FREE interfaces.
111  */
112 typedef struct xfs_flock64 {
113 	__s16		l_type;
114 	__s16		l_whence;
115 	__s64		l_start;
116 	__s64		l_len;		/* len == 0 means until end of file */
117 	__s32		l_sysid;
118 	__u32		l_pid;
119 	__s32		l_pad[4];	/* reserve area			    */
120 } xfs_flock64_t;
121 
122 /*
123  * Output for XFS_IOC_FSGEOMETRY_V1
124  */
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;
147 
148 /*
149  * Output for XFS_IOC_FSGEOMETRY
150  */
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 */
173 } xfs_fsop_geom_t;
174 
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 */
181 } xfs_fsop_counts_t;
182 
183 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
184 typedef struct xfs_fsop_resblks {
185 	__u64  resblks;
186 	__u64  resblks_avail;
187 } xfs_fsop_resblks_t;
188 
189 #define XFS_FSOP_GEOM_VERSION	0
190 
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 */
210 
211 /*
212  * Minimum and maximum sizes need for growth checks.
213  *
214  * Block counts are in units of filesystem blocks, not basic blocks.
215  */
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)
220 
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)
224 
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)
229 
230 /*
231  * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
232  */
233 typedef struct xfs_growfs_data {
234 	__u64		newblocks;	/* new data subvol size, fsblocks */
235 	__u32		imaxpct;	/* new inode space percentage limit */
236 } xfs_growfs_data_t;
237 
238 typedef struct xfs_growfs_log {
239 	__u32		newblocks;	/* new log size, fsblocks */
240 	__u32		isint;		/* 1 if new log is internal */
241 } xfs_growfs_log_t;
242 
243 typedef struct xfs_growfs_rt {
244 	__u64		newblocks;	/* new realtime size, fsblocks */
245 	__u32		extsize;	/* new realtime extent size, fsblocks */
246 } xfs_growfs_rt_t;
247 
248 
249 /*
250  * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
251  */
252 typedef struct xfs_bstime {
253 	time_t		tv_sec;		/* seconds		*/
254 	__s32		tv_nsec;	/* and nanoseconds	*/
255 } xfs_bstime_t;
256 
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	*/
282 } xfs_bstat_t;
283 
284 /*
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).
288  */
289 static inline __uint32_t
290 bstat_get_projid(struct xfs_bstat *bs)
291 {
292 	return (__uint32_t)bs->bs_projid_hi << 16 | bs->bs_projid_lo;
293 }
294 
295 /*
296  * The user-level BulkStat Request interface structure.
297  */
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;
304 
305 
306 /*
307  * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
308  */
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	*/
313 } xfs_inogrp_t;
314 
315 
316 /*
317  * Error injection.
318  */
319 typedef struct xfs_error_injection {
320 	__s32		fd;
321 	__s32		errtag;
322 } xfs_error_injection_t;
323 
324 
325 /*
326  * Speculative preallocation trimming.
327  */
328 #define XFS_EOFBLOCKS_VERSION		1
329 struct xfs_fs_eofblocks {
330 	__u32		eof_version;
331 	__u32		eof_flags;
332 	uid_t		eof_uid;
333 	gid_t		eof_gid;
334 	prid_t		eof_prid;
335 	__u32		pad32;
336 	__u64		eof_min_file_size;
337 	__u64		pad64[12];
338 };
339 
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
348 						  * valid mask */
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)
355 
356 
357 /*
358  * The user-level Handle Request interface structure.
359  */
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;
369 
370 /*
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
375  */
376 
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;
381 
382 typedef struct xfs_attrlist_cursor {
383 	__u32		opaque[4];
384 } xfs_attrlist_cursor_t;
385 
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;
393 
394 typedef struct xfs_attr_multiop {
395 	__u32		am_opcode;
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 */
399 	__s32		am_error;
400 	void		__user *am_attrname;
401 	void		__user *am_attrvalue;
402 	__u32		am_length;
403 	__u32		am_flags;
404 } xfs_attr_multiop_t;
405 
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;
411 
412 /*
413  * per machine unique filesystem identifier types.
414  */
415 typedef struct { __u32 val[2]; } xfs_fsid_t; /* file system id type */
416 
417 typedef struct xfs_fid {
418 	__u16	fid_len;		/* length of remainder	*/
419 	__u16	fid_pad;
420 	__u32	fid_gen;		/* generation number	*/
421 	__u64	fid_ino;		/* 64 bits inode number */
422 } xfs_fid_t;
423 
424 typedef struct xfs_handle {
425 	union {
426 		__s64	    align;	/* force alignment of ha_fid	 */
427 		xfs_fsid_t  _ha_fsid;	/* unique file system identifier */
428 	} ha_u;
429 	xfs_fid_t	ha_fid;		/* file system specific file ID	 */
430 } xfs_handle_t;
431 #define ha_fsid ha_u._ha_fsid
432 
433 #define XFS_HSIZE(handle)	(((char *) &(handle).ha_fid.fid_pad	 \
434 				 - (char *) &(handle))			  \
435 				 + (handle).ha_fid.fid_len)
436 
437 /*
438  * Structure passed to XFS_IOC_SWAPEXT
439  */
440 typedef struct xfs_swapext
441 {
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 */
450 } xfs_swapext_t;
451 
452 /*
453  * Flags for going down operation
454  */
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 */
458 
459 /*
460  * ioctl limits
461  */
462 #ifdef XATTR_LIST_MAX
463 #  define XFS_XATTR_LIST_MAX XATTR_LIST_MAX
464 #else
465 #  define XFS_XATTR_LIST_MAX 65536
466 #endif
467 
468 
469 /*
470  * ioctl commands that are used by Linux filesystems
471  */
472 #define XFS_IOC_GETXFLAGS	FS_IOC_GETFLAGS
473 #define XFS_IOC_SETXFLAGS	FS_IOC_SETFLAGS
474 #define XFS_IOC_GETVERSION	FS_IOC_GETVERSION
475 
476 /*
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.
480  */
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)
501 
502 /*
503  * ioctl commands that replace IRIX syssgi()'s
504  */
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	 */
524 
525 #define XFS_IOC_FREEZE		     _IOWR('X', 119, int)	/* aka FIFREEZE */
526 #define XFS_IOC_THAW		     _IOWR('X', 120, int)	/* aka FITHAW */
527 
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	 */
534 
535 
536 #ifndef HAVE_BBMACROS
537 /*
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.
541  */
542 #define BBSHIFT		9
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)
548 #endif
549 
550 #endif	/* __XFS_FS_H__ */
551