Adding upstream version 6.02~pre8+dfsg.
[syslinux-debian/hramrach.git] / extlinux / xfs_fs.h
blob587820ec16802004c2c9722bf62588d3f9ea4353
1 /*
2 * Taken from Linux kernel tree (linux/fs/xfs)
4 * Copyright (c) 1995-2005 Silicon Graphics, Inc.
5 * All Rights Reserved.
7 * Copyright (c) 2012 Paulo Alcantara <pcacjr@zytor.com>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public License
11 * as published by the Free Software Foundation.
13 * This program is distributed in the hope that it would be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef XFS_FS_H_
24 #define XFS_FS_H_
27 * SGI's XFS filesystem's major stuff (constants, structures)
31 * Direct I/O attribute record used with XFS_IOC_DIOINFO
32 * d_miniosz is the min xfer size, xfer size multiple and file seek offset
33 * alignment.
35 struct dioattr {
36 uint32_t d_mem; /* data buffer memory alignment */
37 uint32_t d_miniosz; /* min xfer size */
38 uint32_t d_maxiosz; /* max xfer size */
42 * Structure for XFS_IOC_FSGETXATTR[A] and XFS_IOC_FSSETXATTR.
44 struct fsxattr {
45 uint32_t fsx_xflags; /* xflags field value (get/set) */
46 uint32_t fsx_extsize; /* extsize field value (get/set)*/
47 uint32_t fsx_nextents; /* nextents field value (get) */
48 uint32_t fsx_projid; /* project identifier (get/set) */
49 unsigned char fsx_pad[12];
53 * Flags for the bs_xflags/fsx_xflags field
54 * There should be a one-to-one correspondence between these flags and the
55 * XFS_DIFLAG_s.
57 #define XFS_XFLAG_REALTIME 0x00000001 /* data in realtime volume */
58 #define XFS_XFLAG_PREALLOC 0x00000002 /* preallocated file extents */
59 #define XFS_XFLAG_IMMUTABLE 0x00000008 /* file cannot be modified */
60 #define XFS_XFLAG_APPEND 0x00000010 /* all writes append */
61 #define XFS_XFLAG_SYNC 0x00000020 /* all writes synchronous */
62 #define XFS_XFLAG_NOATIME 0x00000040 /* do not update access time */
63 #define XFS_XFLAG_NODUMP 0x00000080 /* do not include in backups */
64 #define XFS_XFLAG_RTINHERIT 0x00000100 /* create with rt bit set */
65 #define XFS_XFLAG_PROJINHERIT 0x00000200 /* create with parents projid */
66 #define XFS_XFLAG_NOSYMLINKS 0x00000400 /* disallow symlink creation */
67 #define XFS_XFLAG_EXTSIZE 0x00000800 /* extent size allocator hint */
68 #define XFS_XFLAG_EXTSZINHERIT 0x00001000 /* inherit inode extent size */
69 #define XFS_XFLAG_NODEFRAG 0x00002000 /* do not defragment */
70 #define XFS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */
71 #define XFS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */
74 * Structure for XFS_IOC_GETBMAP.
75 * On input, fill in bmv_offset and bmv_length of the first structure
76 * to indicate the area of interest in the file, and bmv_entries with
77 * the number of array elements given back. The first structure is
78 * updated on return to give the offset and length for the next call.
80 struct getbmap {
81 int64_t bmv_offset; /* file offset of segment in blocks */
82 int64_t bmv_block; /* starting block (64-bit daddr_t) */
83 int64_t bmv_length; /* length of segment, blocks */
84 int32_t bmv_count; /* # of entries in array incl. 1st */
85 int32_t bmv_entries; /* # of entries filled in (output) */
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.
97 struct getbmapx {
98 int64_t bmv_offset; /* file offset of segment in blocks */
99 int64_t bmv_block; /* starting block (64-bit daddr_t) */
100 int64_t bmv_length; /* length of segment, blocks */
101 int32_t bmv_count; /* # of entries in array incl. 1st */
102 int32_t bmv_entries; /* # of entries filled in (output). */
103 int32_t bmv_iflags; /* input flags (1st structure) */
104 int32_t bmv_oflags; /* output flags (after 1st structure)*/
105 int32_t bmv_unused1; /* future use */
106 int32_t bmv_unused2; /* future use */
109 /* bmv_iflags values - set by XFS_IOC_GETBMAPX caller. */
110 #define BMV_IF_ATTRFORK 0x1 /* return attr fork rather than data */
111 #define BMV_IF_NO_DMAPI_READ 0x2 /* Do not generate DMAPI read event */
112 #define BMV_IF_PREALLOC 0x4 /* rtn status BMV_OF_PREALLOC if req */
113 #define BMV_IF_DELALLOC 0x8 /* rtn status BMV_OF_DELALLOC if req */
114 #define BMV_IF_NO_HOLES 0x10 /* Do not return holes */
115 #define BMV_IF_VALID \
116 (BMV_IF_ATTRFORK|BMV_IF_NO_DMAPI_READ|BMV_IF_PREALLOC| \
117 BMV_IF_DELALLOC|BMV_IF_NO_HOLES)
119 /* bmv_oflags values - returned for each non-header segment */
120 #define BMV_OF_PREALLOC 0x1 /* segment = unwritten pre-allocation */
121 #define BMV_OF_DELALLOC 0x2 /* segment = delayed allocation */
122 #define BMV_OF_LAST 0x4 /* segment is the last in the file */
125 * Structure for XFS_IOC_FSSETDM.
126 * For use by backup and restore programs to set the XFS on-disk inode
127 * fields di_dmevmask and di_dmstate. These must be set to exactly and
128 * only values previously obtained via xfs_bulkstat! (Specifically the
129 * xfs_bstat_t fields bs_dmevmask and bs_dmstate.)
131 struct fsdmidata {
132 uint32_t fsd_dmevmask; /* corresponds to di_dmevmask */
133 __u16 fsd_padding;
134 __u16 fsd_dmstate; /* corresponds to di_dmstate */
138 * File segment locking set data type for 64 bit access.
139 * Also used for all the RESV/FREE interfaces.
141 typedef struct xfs_flock64 {
142 __s16 l_type;
143 __s16 l_whence;
144 int64_t l_start;
145 int64_t l_len; /* len == 0 means until end of file */
146 int32_t l_sysid;
147 uint32_t l_pid;
148 int32_t l_pad[4]; /* reserve area */
149 } xfs_flock64_t;
152 * Output for XFS_IOC_FSGEOMETRY_V1
154 typedef struct xfs_fsop_geom_v1 {
155 uint32_t blocksize; /* filesystem (data) block size */
156 uint32_t rtextsize; /* realtime extent size */
157 uint32_t agblocks; /* fsblocks in an AG */
158 uint32_t agcount; /* number of allocation groups */
159 uint32_t logblocks; /* fsblocks in the log */
160 uint32_t sectsize; /* (data) sector size, bytes */
161 uint32_t inodesize; /* inode size in bytes */
162 uint32_t imaxpct; /* max allowed inode space(%) */
163 uint64_t datablocks; /* fsblocks in data subvolume */
164 uint64_t rtblocks; /* fsblocks in realtime subvol */
165 uint64_t rtextents; /* rt extents in realtime subvol*/
166 uint64_t logstart; /* starting fsblock of the log */
167 unsigned char uuid[16]; /* unique id of the filesystem */
168 uint32_t sunit; /* stripe unit, fsblocks */
169 uint32_t swidth; /* stripe width, fsblocks */
170 int32_t version; /* structure version */
171 uint32_t flags; /* superblock version flags */
172 uint32_t logsectsize; /* log sector size, bytes */
173 uint32_t rtsectsize; /* realtime sector size, bytes */
174 uint32_t dirblocksize; /* directory block size, bytes */
175 } xfs_fsop_geom_v1_t;
178 * Output for XFS_IOC_FSGEOMETRY
180 typedef struct xfs_fsop_geom {
181 uint32_t blocksize; /* filesystem (data) block size */
182 uint32_t rtextsize; /* realtime extent size */
183 uint32_t agblocks; /* fsblocks in an AG */
184 uint32_t agcount; /* number of allocation groups */
185 uint32_t logblocks; /* fsblocks in the log */
186 uint32_t sectsize; /* (data) sector size, bytes */
187 uint32_t inodesize; /* inode size in bytes */
188 uint32_t imaxpct; /* max allowed inode space(%) */
189 uint64_t datablocks; /* fsblocks in data subvolume */
190 uint64_t rtblocks; /* fsblocks in realtime subvol */
191 uint64_t rtextents; /* rt extents in realtime subvol*/
192 uint64_t logstart; /* starting fsblock of the log */
193 unsigned char uuid[16]; /* unique id of the filesystem */
194 uint32_t sunit; /* stripe unit, fsblocks */
195 uint32_t swidth; /* stripe width, fsblocks */
196 int32_t version; /* structure version */
197 uint32_t flags; /* superblock version flags */
198 uint32_t logsectsize; /* log sector size, bytes */
199 uint32_t rtsectsize; /* realtime sector size, bytes */
200 uint32_t dirblocksize; /* directory block size, bytes */
201 uint32_t logsunit; /* log stripe unit, bytes */
202 } xfs_fsop_geom_t;
204 /* Output for XFS_FS_COUNTS */
205 typedef struct xfs_fsop_counts {
206 uint64_t freedata; /* free data section blocks */
207 uint64_t freertx; /* free rt extents */
208 uint64_t freeino; /* free inodes */
209 uint64_t allocino; /* total allocated inodes */
210 } xfs_fsop_counts_t;
212 /* Input/Output for XFS_GET_RESBLKS and XFS_SET_RESBLKS */
213 typedef struct xfs_fsop_resblks {
214 uint64_t resblks;
215 uint64_t resblks_avail;
216 } xfs_fsop_resblks_t;
218 #define XFS_FSOP_GEOM_VERSION 0
220 #define XFS_FSOP_GEOM_FLAGS_ATTR 0x0001 /* attributes in use */
221 #define XFS_FSOP_GEOM_FLAGS_NLINK 0x0002 /* 32-bit nlink values */
222 #define XFS_FSOP_GEOM_FLAGS_QUOTA 0x0004 /* quotas enabled */
223 #define XFS_FSOP_GEOM_FLAGS_IALIGN 0x0008 /* inode alignment */
224 #define XFS_FSOP_GEOM_FLAGS_DALIGN 0x0010 /* large data alignment */
225 #define XFS_FSOP_GEOM_FLAGS_SHARED 0x0020 /* read-only shared */
226 #define XFS_FSOP_GEOM_FLAGS_EXTFLG 0x0040 /* special extent flag */
227 #define XFS_FSOP_GEOM_FLAGS_DIRV2 0x0080 /* directory version 2 */
228 #define XFS_FSOP_GEOM_FLAGS_LOGV2 0x0100 /* log format version 2 */
229 #define XFS_FSOP_GEOM_FLAGS_SECTOR 0x0200 /* sector sizes >1BB */
230 #define XFS_FSOP_GEOM_FLAGS_ATTR2 0x0400 /* inline attributes rework */
231 #define XFS_FSOP_GEOM_FLAGS_DIRV2CI 0x1000 /* ASCII only CI names */
232 #define XFS_FSOP_GEOM_FLAGS_LAZYSB 0x4000 /* lazy superblock counters */
236 * Minimum and maximum sizes need for growth checks
238 #define XFS_MIN_AG_BLOCKS 64
239 #define XFS_MIN_LOG_BLOCKS 512ULL
240 #define XFS_MAX_LOG_BLOCKS (1024 * 1024ULL)
241 #define XFS_MIN_LOG_BYTES (10 * 1024 * 1024ULL)
243 /* keep the maximum size under 2^31 by a small amount */
244 #define XFS_MAX_LOG_BYTES \
245 ((2 * 1024 * 1024 * 1024ULL) - XFS_MIN_LOG_BYTES)
247 /* Used for sanity checks on superblock */
248 #define XFS_MAX_DBLOCKS(s) ((xfs_drfsbno_t)(s)->sb_agcount * (s)->sb_agblocks)
249 #define XFS_MIN_DBLOCKS(s) ((xfs_drfsbno_t)((s)->sb_agcount - 1) * \
250 (s)->sb_agblocks + XFS_MIN_AG_BLOCKS)
253 * Structures for XFS_IOC_FSGROWFSDATA, XFS_IOC_FSGROWFSLOG & XFS_IOC_FSGROWFSRT
255 typedef struct xfs_growfs_data {
256 uint64_t newblocks; /* new data subvol size, fsblocks */
257 uint32_t imaxpct; /* new inode space percentage limit */
258 } xfs_growfs_data_t;
260 typedef struct xfs_growfs_log {
261 uint32_t newblocks; /* new log size, fsblocks */
262 uint32_t isint; /* 1 if new log is internal */
263 } xfs_growfs_log_t;
265 typedef struct xfs_growfs_rt {
266 uint64_t newblocks; /* new realtime size, fsblocks */
267 uint32_t extsize; /* new realtime extent size, fsblocks */
268 } xfs_growfs_rt_t;
272 * Structures returned from ioctl XFS_IOC_FSBULKSTAT & XFS_IOC_FSBULKSTAT_SINGLE
274 typedef struct xfs_bstime {
275 time_t tv_sec; /* seconds */
276 int32_t tv_nsec; /* and nanoseconds */
277 } xfs_bstime_t;
279 typedef struct xfs_bstat {
280 uint64_t bs_ino; /* inode number */
281 __u16 bs_mode; /* type and mode */
282 __u16 bs_nlink; /* number of links */
283 uint32_t bs_uid; /* user id */
284 uint32_t bs_gid; /* group id */
285 uint32_t bs_rdev; /* device value */
286 int32_t bs_blksize; /* block size */
287 int64_t 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 uint32_t bs_xflags; /* extended flags */
293 int32_t bs_extsize; /* extent size */
294 int32_t bs_extents; /* number of extents */
295 uint32_t bs_gen; /* generation count */
296 __u16 bs_projid_lo; /* lower part of project id */
297 #define bs_projid bs_projid_lo /* (previously just bs_projid) */
298 __u16 bs_forkoff; /* inode fork offset in bytes */
299 __u16 bs_projid_hi; /* higher part of project id */
300 unsigned char bs_pad[10]; /* pad space, unused */
301 uint32_t bs_dmevmask; /* DMIG event mask */
302 __u16 bs_dmstate; /* DMIG state info */
303 __u16 bs_aextents; /* attribute number of extents */
304 } xfs_bstat_t;
307 * The user-level BulkStat Request interface structure.
309 typedef struct xfs_fsop_bulkreq {
310 uint64_t __user *lastip; /* last inode # pointer */
311 int32_t icount; /* count of entries in buffer */
312 void __user *ubuffer;/* user buffer for inode desc. */
313 int32_t __user *ocount; /* output count pointer */
314 } xfs_fsop_bulkreq_t;
318 * Structures returned from xfs_inumbers routine (XFS_IOC_FSINUMBERS).
320 typedef struct xfs_inogrp {
321 uint64_t xi_startino; /* starting inode number */
322 int32_t xi_alloccount; /* # bits set in allocmask */
323 uint64_t xi_allocmask; /* mask of allocated inodes */
324 } xfs_inogrp_t;
328 * Error injection.
330 typedef struct xfs_error_injection {
331 int32_t fd;
332 int32_t errtag;
333 } xfs_error_injection_t;
337 * The user-level Handle Request interface structure.
339 typedef struct xfs_fsop_handlereq {
340 uint32_t fd; /* fd for FD_TO_HANDLE */
341 void __user *path; /* user pathname */
342 uint32_t oflags; /* open flags */
343 void __user *ihandle;/* user supplied handle */
344 uint32_t ihandlen; /* user supplied length */
345 void __user *ohandle;/* user buffer for handle */
346 uint32_t __user *ohandlen;/* user buffer length */
347 } xfs_fsop_handlereq_t;
350 * Compound structures for passing args through Handle Request interfaces
351 * xfs_fssetdm_by_handle, xfs_attrlist_by_handle, xfs_attrmulti_by_handle
352 * - ioctls: XFS_IOC_FSSETDM_BY_HANDLE, XFS_IOC_ATTRLIST_BY_HANDLE, and
353 * XFS_IOC_ATTRMULTI_BY_HANDLE
356 typedef struct xfs_fsop_setdm_handlereq {
357 struct xfs_fsop_handlereq hreq; /* handle information */
358 struct fsdmidata __user *data; /* DMAPI data */
359 } xfs_fsop_setdm_handlereq_t;
361 typedef struct xfs_attrlist_cursor {
362 uint32_t opaque[4];
363 } xfs_attrlist_cursor_t;
365 typedef struct xfs_fsop_attrlist_handlereq {
366 struct xfs_fsop_handlereq hreq; /* handle interface structure */
367 struct xfs_attrlist_cursor pos; /* opaque cookie, list offset */
368 uint32_t flags; /* which namespace to use */
369 uint32_t buflen; /* length of buffer supplied */
370 void __user *buffer; /* returned names */
371 } xfs_fsop_attrlist_handlereq_t;
373 typedef struct xfs_attr_multiop {
374 uint32_t am_opcode;
375 #define ATTR_OP_GET 1 /* return the indicated attr's value */
376 #define ATTR_OP_SET 2 /* set/create the indicated attr/value pair */
377 #define ATTR_OP_REMOVE 3 /* remove the indicated attr */
378 int32_t am_error;
379 void __user *am_attrname;
380 void __user *am_attrvalue;
381 uint32_t am_length;
382 uint32_t am_flags;
383 } xfs_attr_multiop_t;
385 typedef struct xfs_fsop_attrmulti_handlereq {
386 struct xfs_fsop_handlereq hreq; /* handle interface structure */
387 uint32_t opcount;/* count of following multiop */
388 struct xfs_attr_multiop __user *ops; /* attr_multi data */
389 } xfs_fsop_attrmulti_handlereq_t;
392 * per machine unique filesystem identifier types.
394 typedef struct { uint32_t val[2]; } xfs_fsid_t; /* file system id type */
396 typedef struct xfs_fid {
397 __u16 fid_len; /* length of remainder */
398 __u16 fid_pad;
399 uint32_t fid_gen; /* generation number */
400 uint64_t fid_ino; /* 64 bits inode number */
401 } xfs_fid_t;
403 typedef struct xfs_handle {
404 union {
405 int64_t align; /* force alignment of ha_fid */
406 xfs_fsid_t _ha_fsid; /* unique file system identifier */
407 } ha_u;
408 xfs_fid_t ha_fid; /* file system specific file ID */
409 } xfs_handle_t;
410 #define ha_fsid ha_u._ha_fsid
412 #define XFS_HSIZE(handle) (((char *) &(handle).ha_fid.fid_pad \
413 - (char *) &(handle)) \
414 + (handle).ha_fid.fid_len)
417 * Flags for going down operation
419 #define XFS_FSOP_GOING_FLAGS_DEFAULT 0x0 /* going down */
420 #define XFS_FSOP_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */
421 #define XFS_FSOP_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */
424 * ioctl commands that are used by Linux filesystems
426 #define XFS_IOC_GETXFLAGS FS_IOC_GETFLAGS
427 #define XFS_IOC_SETXFLAGS FS_IOC_SETFLAGS
428 #define XFS_IOC_GETVERSION FS_IOC_GETVERSION
431 * ioctl commands that replace IRIX fcntl()'s
432 * For 'documentation' purposed more than anything else,
433 * the "cmd #" field reflects the IRIX fcntl number.
435 #define XFS_IOC_ALLOCSP _IOW ('X', 10, struct xfs_flock64)
436 #define XFS_IOC_FREESP _IOW ('X', 11, struct xfs_flock64)
437 #define XFS_IOC_DIOINFO _IOR ('X', 30, struct dioattr)
438 #define XFS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
439 #define XFS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
440 #define XFS_IOC_ALLOCSP64 _IOW ('X', 36, struct xfs_flock64)
441 #define XFS_IOC_FREESP64 _IOW ('X', 37, struct xfs_flock64)
442 #define XFS_IOC_GETBMAP _IOWR('X', 38, struct getbmap)
443 #define XFS_IOC_FSSETDM _IOW ('X', 39, struct fsdmidata)
444 #define XFS_IOC_RESVSP _IOW ('X', 40, struct xfs_flock64)
445 #define XFS_IOC_UNRESVSP _IOW ('X', 41, struct xfs_flock64)
446 #define XFS_IOC_RESVSP64 _IOW ('X', 42, struct xfs_flock64)
447 #define XFS_IOC_UNRESVSP64 _IOW ('X', 43, struct xfs_flock64)
448 #define XFS_IOC_GETBMAPA _IOWR('X', 44, struct getbmap)
449 #define XFS_IOC_FSGETXATTRA _IOR ('X', 45, struct fsxattr)
450 /* XFS_IOC_SETBIOSIZE ---- deprecated 46 */
451 /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
452 #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
453 #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
456 * ioctl commands that replace IRIX syssgi()'s
458 #define XFS_IOC_FSGEOMETRY_V1 _IOR ('X', 100, struct xfs_fsop_geom_v1)
459 #define XFS_IOC_FSBULKSTAT _IOWR('X', 101, struct xfs_fsop_bulkreq)
460 #define XFS_IOC_FSBULKSTAT_SINGLE _IOWR('X', 102, struct xfs_fsop_bulkreq)
461 #define XFS_IOC_FSINUMBERS _IOWR('X', 103, struct xfs_fsop_bulkreq)
462 #define XFS_IOC_PATH_TO_FSHANDLE _IOWR('X', 104, struct xfs_fsop_handlereq)
463 #define XFS_IOC_PATH_TO_HANDLE _IOWR('X', 105, struct xfs_fsop_handlereq)
464 #define XFS_IOC_FD_TO_HANDLE _IOWR('X', 106, struct xfs_fsop_handlereq)
465 #define XFS_IOC_OPEN_BY_HANDLE _IOWR('X', 107, struct xfs_fsop_handlereq)
466 #define XFS_IOC_READLINK_BY_HANDLE _IOWR('X', 108, struct xfs_fsop_handlereq)
467 #define XFS_IOC_SWAPEXT _IOWR('X', 109, struct xfs_swapext)
468 #define XFS_IOC_FSGROWFSDATA _IOW ('X', 110, struct xfs_growfs_data)
469 #define XFS_IOC_FSGROWFSLOG _IOW ('X', 111, struct xfs_growfs_log)
470 #define XFS_IOC_FSGROWFSRT _IOW ('X', 112, struct xfs_growfs_rt)
471 #define XFS_IOC_FSCOUNTS _IOR ('X', 113, struct xfs_fsop_counts)
472 #define XFS_IOC_SET_RESBLKS _IOWR('X', 114, struct xfs_fsop_resblks)
473 #define XFS_IOC_GET_RESBLKS _IOR ('X', 115, struct xfs_fsop_resblks)
474 #define XFS_IOC_ERROR_INJECTION _IOW ('X', 116, struct xfs_error_injection)
475 #define XFS_IOC_ERROR_CLEARALL _IOW ('X', 117, struct xfs_error_injection)
476 /* XFS_IOC_ATTRCTL_BY_HANDLE -- deprecated 118 */
477 /* XFS_IOC_FREEZE -- FIFREEZE 119 */
478 /* XFS_IOC_THAW -- FITHAW 120 */
479 #define XFS_IOC_FSSETDM_BY_HANDLE _IOW ('X', 121, struct xfs_fsop_setdm_handlereq)
480 #define XFS_IOC_ATTRLIST_BY_HANDLE _IOW ('X', 122, struct xfs_fsop_attrlist_handlereq)
481 #define XFS_IOC_ATTRMULTI_BY_HANDLE _IOW ('X', 123, struct xfs_fsop_attrmulti_handlereq)
482 #define XFS_IOC_FSGEOMETRY _IOR ('X', 124, struct xfs_fsop_geom)
483 #define XFS_IOC_GOINGDOWN _IOR ('X', 125, __uint32_t)
484 /* XFS_IOC_GETFSUUID ---------- deprecated 140 */
487 #ifndef HAVE_BBMACROS
489 * Block I/O parameterization. A basic block (BB) is the lowest size of
490 * filesystem allocation, and must equal 512. Length units given to bio
491 * routines are in BB's.
493 #define BBSHIFT 9
494 #define BBSIZE (1<<BBSHIFT)
495 #define BBMASK (BBSIZE-1)
496 #define BTOBB(bytes) (((uint64_t)(bytes) + BBSIZE - 1) >> BBSHIFT)
497 #define BTOBBT(bytes) ((uint64_t)(bytes) >> BBSHIFT)
498 #define BBTOB(bbs) ((bbs) << BBSHIFT)
499 #endif
501 #endif /* XFS_FS_H_ */