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[linux-2.6/mini2440.git] / fs / xfs / xfs_dinode.h
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1 /*
2 * Copyright (c) 2000, 2002 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24 * Mountain View, CA 94043, or:
26 * http://www.sgi.com
28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
32 #ifndef __XFS_DINODE_H__
33 #define __XFS_DINODE_H__
35 struct xfs_buf;
36 struct xfs_mount;
38 #define XFS_DINODE_VERSION_1 1
39 #define XFS_DINODE_VERSION_2 2
40 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DINODE_GOOD_VERSION)
41 int xfs_dinode_good_version(int v);
42 #define XFS_DINODE_GOOD_VERSION(v) xfs_dinode_good_version(v)
43 #else
44 #define XFS_DINODE_GOOD_VERSION(v) (((v) == XFS_DINODE_VERSION_1) || \
45 ((v) == XFS_DINODE_VERSION_2))
46 #endif
47 #define XFS_DINODE_MAGIC 0x494e /* 'IN' */
50 * Disk inode structure.
51 * This is just the header; the inode is expanded to fill a variable size
52 * with the last field expanding. It is split into the core and "other"
53 * because we only need the core part in the in-core inode.
55 typedef struct xfs_timestamp {
56 __int32_t t_sec; /* timestamp seconds */
57 __int32_t t_nsec; /* timestamp nanoseconds */
58 } xfs_timestamp_t;
61 * Note: Coordinate changes to this structure with the XFS_DI_* #defines
62 * below and the offsets table in xfs_ialloc_log_di().
64 typedef struct xfs_dinode_core
66 __uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */
67 __uint16_t di_mode; /* mode and type of file */
68 __int8_t di_version; /* inode version */
69 __int8_t di_format; /* format of di_c data */
70 __uint16_t di_onlink; /* old number of links to file */
71 __uint32_t di_uid; /* owner's user id */
72 __uint32_t di_gid; /* owner's group id */
73 __uint32_t di_nlink; /* number of links to file */
74 __uint16_t di_projid; /* owner's project id */
75 __uint8_t di_pad[8]; /* unused, zeroed space */
76 __uint16_t di_flushiter; /* incremented on flush */
77 xfs_timestamp_t di_atime; /* time last accessed */
78 xfs_timestamp_t di_mtime; /* time last modified */
79 xfs_timestamp_t di_ctime; /* time created/inode modified */
80 xfs_fsize_t di_size; /* number of bytes in file */
81 xfs_drfsbno_t di_nblocks; /* # of direct & btree blocks used */
82 xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
83 xfs_extnum_t di_nextents; /* number of extents in data fork */
84 xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
85 __uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
86 __int8_t di_aformat; /* format of attr fork's data */
87 __uint32_t di_dmevmask; /* DMIG event mask */
88 __uint16_t di_dmstate; /* DMIG state info */
89 __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
90 __uint32_t di_gen; /* generation number */
91 } xfs_dinode_core_t;
93 #define DI_MAX_FLUSH 0xffff
95 typedef struct xfs_dinode
97 xfs_dinode_core_t di_core;
99 * In adding anything between the core and the union, be
100 * sure to update the macros like XFS_LITINO below and
101 * XFS_BMAP_RBLOCK_DSIZE in xfs_bmap_btree.h.
103 xfs_agino_t di_next_unlinked;/* agi unlinked list ptr */
104 union {
105 xfs_bmdr_block_t di_bmbt; /* btree root block */
106 xfs_bmbt_rec_32_t di_bmx[1]; /* extent list */
107 xfs_dir_shortform_t di_dirsf; /* shortform directory */
108 xfs_dir2_sf_t di_dir2sf; /* shortform directory v2 */
109 char di_c[1]; /* local contents */
110 xfs_dev_t di_dev; /* device for S_IFCHR/S_IFBLK */
111 uuid_t di_muuid; /* mount point value */
112 char di_symlink[1]; /* local symbolic link */
113 } di_u;
114 union {
115 xfs_bmdr_block_t di_abmbt; /* btree root block */
116 xfs_bmbt_rec_32_t di_abmx[1]; /* extent list */
117 xfs_attr_shortform_t di_attrsf; /* shortform attribute list */
118 } di_a;
119 } xfs_dinode_t;
122 * The 32 bit link count in the inode theoretically maxes out at UINT_MAX.
123 * Since the pathconf interface is signed, we use 2^31 - 1 instead.
124 * The old inode format had a 16 bit link count, so its maximum is USHRT_MAX.
126 #define XFS_MAXLINK ((1U << 31) - 1U)
127 #define XFS_MAXLINK_1 65535U
130 * Bit names for logging disk inodes only
132 #define XFS_DI_MAGIC 0x0000001
133 #define XFS_DI_MODE 0x0000002
134 #define XFS_DI_VERSION 0x0000004
135 #define XFS_DI_FORMAT 0x0000008
136 #define XFS_DI_ONLINK 0x0000010
137 #define XFS_DI_UID 0x0000020
138 #define XFS_DI_GID 0x0000040
139 #define XFS_DI_NLINK 0x0000080
140 #define XFS_DI_PROJID 0x0000100
141 #define XFS_DI_PAD 0x0000200
142 #define XFS_DI_ATIME 0x0000400
143 #define XFS_DI_MTIME 0x0000800
144 #define XFS_DI_CTIME 0x0001000
145 #define XFS_DI_SIZE 0x0002000
146 #define XFS_DI_NBLOCKS 0x0004000
147 #define XFS_DI_EXTSIZE 0x0008000
148 #define XFS_DI_NEXTENTS 0x0010000
149 #define XFS_DI_NAEXTENTS 0x0020000
150 #define XFS_DI_FORKOFF 0x0040000
151 #define XFS_DI_AFORMAT 0x0080000
152 #define XFS_DI_DMEVMASK 0x0100000
153 #define XFS_DI_DMSTATE 0x0200000
154 #define XFS_DI_FLAGS 0x0400000
155 #define XFS_DI_GEN 0x0800000
156 #define XFS_DI_NEXT_UNLINKED 0x1000000
157 #define XFS_DI_U 0x2000000
158 #define XFS_DI_A 0x4000000
159 #define XFS_DI_NUM_BITS 27
160 #define XFS_DI_ALL_BITS ((1 << XFS_DI_NUM_BITS) - 1)
161 #define XFS_DI_CORE_BITS (XFS_DI_ALL_BITS & ~(XFS_DI_U|XFS_DI_A))
164 * Values for di_format
166 typedef enum xfs_dinode_fmt
168 XFS_DINODE_FMT_DEV, /* CHR, BLK: di_dev */
169 XFS_DINODE_FMT_LOCAL, /* DIR, REG: di_c */
170 /* LNK: di_symlink */
171 XFS_DINODE_FMT_EXTENTS, /* DIR, REG, LNK: di_bmx */
172 XFS_DINODE_FMT_BTREE, /* DIR, REG, LNK: di_bmbt */
173 XFS_DINODE_FMT_UUID /* MNT: di_uuid */
174 } xfs_dinode_fmt_t;
177 * Inode minimum and maximum sizes.
179 #define XFS_DINODE_MIN_LOG 8
180 #define XFS_DINODE_MAX_LOG 11
181 #define XFS_DINODE_MIN_SIZE (1 << XFS_DINODE_MIN_LOG)
182 #define XFS_DINODE_MAX_SIZE (1 << XFS_DINODE_MAX_LOG)
185 * Inode size for given fs.
187 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LITINO)
188 int xfs_litino(struct xfs_mount *mp);
189 #define XFS_LITINO(mp) xfs_litino(mp)
190 #else
191 #define XFS_LITINO(mp) ((mp)->m_litino)
192 #endif
193 #define XFS_BROOT_SIZE_ADJ \
194 (sizeof(xfs_bmbt_block_t) - sizeof(xfs_bmdr_block_t))
197 * Fork identifiers. Here so utilities can use them without including
198 * xfs_inode.h.
200 #define XFS_DATA_FORK 0
201 #define XFS_ATTR_FORK 1
204 * Inode data & attribute fork sizes, per inode.
206 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_Q)
207 int xfs_cfork_q_disk(xfs_dinode_core_t *dcp);
208 int xfs_cfork_q(xfs_dinode_core_t *dcp);
209 #define XFS_CFORK_Q_DISK(dcp) xfs_cfork_q_disk(dcp)
210 #define XFS_CFORK_Q(dcp) xfs_cfork_q(dcp)
211 #else
212 #define XFS_CFORK_Q_DISK(dcp) ((dcp)->di_forkoff != 0)
213 #define XFS_CFORK_Q(dcp) ((dcp)->di_forkoff != 0)
215 #endif
216 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_BOFF)
217 int xfs_cfork_boff_disk(xfs_dinode_core_t *dcp);
218 int xfs_cfork_boff(xfs_dinode_core_t *dcp);
219 #define XFS_CFORK_BOFF_DISK(dcp) xfs_cfork_boff_disk(dcp)
220 #define XFS_CFORK_BOFF(dcp) xfs_cfork_boff(dcp)
221 #else
222 #define XFS_CFORK_BOFF_DISK(dcp) ((int)(INT_GET((dcp)->di_forkoff, ARCH_CONVERT) << 3))
223 #define XFS_CFORK_BOFF(dcp) ((int)((dcp)->di_forkoff << 3))
225 #endif
226 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_DSIZE)
227 int xfs_cfork_dsize_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
228 int xfs_cfork_dsize(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
229 #define XFS_CFORK_DSIZE_DISK(dcp,mp) xfs_cfork_dsize_disk(dcp,mp)
230 #define XFS_CFORK_DSIZE(dcp,mp) xfs_cfork_dsize(dcp,mp)
231 #else
232 #define XFS_CFORK_DSIZE_DISK(dcp,mp) \
233 (XFS_CFORK_Q_DISK(dcp) ? XFS_CFORK_BOFF_DISK(dcp) : XFS_LITINO(mp))
234 #define XFS_CFORK_DSIZE(dcp,mp) \
235 (XFS_CFORK_Q(dcp) ? XFS_CFORK_BOFF(dcp) : XFS_LITINO(mp))
237 #endif
238 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_ASIZE)
239 int xfs_cfork_asize_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
240 int xfs_cfork_asize(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
241 #define XFS_CFORK_ASIZE_DISK(dcp,mp) xfs_cfork_asize_disk(dcp,mp)
242 #define XFS_CFORK_ASIZE(dcp,mp) xfs_cfork_asize(dcp,mp)
243 #else
244 #define XFS_CFORK_ASIZE_DISK(dcp,mp) \
245 (XFS_CFORK_Q_DISK(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF_DISK(dcp) : 0)
246 #define XFS_CFORK_ASIZE(dcp,mp) \
247 (XFS_CFORK_Q(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF(dcp) : 0)
249 #endif
250 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_SIZE)
251 int xfs_cfork_size_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp, int w);
252 int xfs_cfork_size(xfs_dinode_core_t *dcp, struct xfs_mount *mp, int w);
253 #define XFS_CFORK_SIZE_DISK(dcp,mp,w) xfs_cfork_size_disk(dcp,mp,w)
254 #define XFS_CFORK_SIZE(dcp,mp,w) xfs_cfork_size(dcp,mp,w)
255 #else
256 #define XFS_CFORK_SIZE_DISK(dcp,mp,w) \
257 ((w) == XFS_DATA_FORK ? \
258 XFS_CFORK_DSIZE_DISK(dcp, mp) : \
259 XFS_CFORK_ASIZE_DISK(dcp, mp))
260 #define XFS_CFORK_SIZE(dcp,mp,w) \
261 ((w) == XFS_DATA_FORK ? \
262 XFS_CFORK_DSIZE(dcp, mp) : XFS_CFORK_ASIZE(dcp, mp))
264 #endif
266 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_DSIZE)
267 int xfs_dfork_dsize(xfs_dinode_t *dip, struct xfs_mount *mp);
268 #define XFS_DFORK_DSIZE(dip,mp) xfs_dfork_dsize(dip,mp)
269 #else
270 #define XFS_DFORK_DSIZE(dip,mp) XFS_CFORK_DSIZE_DISK(&(dip)->di_core, mp)
272 #endif
273 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_ASIZE)
274 int xfs_dfork_asize(xfs_dinode_t *dip, struct xfs_mount *mp);
275 #define XFS_DFORK_ASIZE(dip,mp) xfs_dfork_asize(dip,mp)
276 #else
277 #define XFS_DFORK_ASIZE(dip,mp) XFS_CFORK_ASIZE_DISK(&(dip)->di_core, mp)
279 #endif
280 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_SIZE)
281 int xfs_dfork_size(xfs_dinode_t *dip, struct xfs_mount *mp, int w);
282 #define XFS_DFORK_SIZE(dip,mp,w) xfs_dfork_size(dip,mp,w)
283 #else
284 #define XFS_DFORK_SIZE(dip,mp,w) XFS_CFORK_SIZE_DISK(&(dip)->di_core, mp, w)
286 #endif
289 * Macros for accessing per-fork disk inode information.
291 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_Q)
292 int xfs_dfork_q(xfs_dinode_t *dip);
293 #define XFS_DFORK_Q(dip) xfs_dfork_q(dip)
294 #else
295 #define XFS_DFORK_Q(dip) XFS_CFORK_Q_DISK(&(dip)->di_core)
297 #endif
298 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_BOFF)
299 int xfs_dfork_boff(xfs_dinode_t *dip);
300 #define XFS_DFORK_BOFF(dip) xfs_dfork_boff(dip)
301 #else
302 #define XFS_DFORK_BOFF(dip) XFS_CFORK_BOFF_DISK(&(dip)->di_core)
304 #endif
305 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_DPTR)
306 char *xfs_dfork_dptr(xfs_dinode_t *dip);
307 #define XFS_DFORK_DPTR(dip) xfs_dfork_dptr(dip)
308 #else
309 #define XFS_DFORK_DPTR(dip) ((dip)->di_u.di_c)
311 #endif
312 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_APTR)
313 char *xfs_dfork_aptr(xfs_dinode_t *dip);
314 #define XFS_DFORK_APTR(dip) xfs_dfork_aptr(dip)
315 #else
316 #define XFS_DFORK_APTR(dip) ((dip)->di_u.di_c + XFS_DFORK_BOFF(dip))
318 #endif
319 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_PTR)
320 char *xfs_dfork_ptr(xfs_dinode_t *dip, int w);
321 #define XFS_DFORK_PTR(dip,w) xfs_dfork_ptr(dip,w)
322 #else
323 #define XFS_DFORK_PTR(dip,w) \
324 ((w) == XFS_DATA_FORK ? XFS_DFORK_DPTR(dip) : XFS_DFORK_APTR(dip))
326 #endif
327 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_FORMAT)
328 int xfs_cfork_format(xfs_dinode_core_t *dcp, int w);
329 #define XFS_CFORK_FORMAT(dcp,w) xfs_cfork_format(dcp,w)
330 #else
331 #define XFS_CFORK_FORMAT(dcp,w) \
332 ((w) == XFS_DATA_FORK ? (dcp)->di_format : (dcp)->di_aformat)
334 #endif
335 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_FMT_SET)
336 void xfs_cfork_fmt_set(xfs_dinode_core_t *dcp, int w, int n);
337 #define XFS_CFORK_FMT_SET(dcp,w,n) xfs_cfork_fmt_set(dcp,w,n)
338 #else
339 #define XFS_CFORK_FMT_SET(dcp,w,n) \
340 ((w) == XFS_DATA_FORK ? \
341 ((dcp)->di_format = (n)) : \
342 ((dcp)->di_aformat = (n)))
344 #endif
345 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_NEXTENTS)
346 int xfs_cfork_nextents_disk(xfs_dinode_core_t *dcp, int w);
347 int xfs_cfork_nextents(xfs_dinode_core_t *dcp, int w);
348 #define XFS_CFORK_NEXTENTS_DISK(dcp,w) xfs_cfork_nextents_disk(dcp,w)
349 #define XFS_CFORK_NEXTENTS(dcp,w) xfs_cfork_nextents(dcp,w)
350 #else
351 #define XFS_CFORK_NEXTENTS_DISK(dcp,w) \
352 ((w) == XFS_DATA_FORK ? \
353 INT_GET((dcp)->di_nextents, ARCH_CONVERT) : \
354 INT_GET((dcp)->di_anextents, ARCH_CONVERT))
355 #define XFS_CFORK_NEXTENTS(dcp,w) \
356 ((w) == XFS_DATA_FORK ? (dcp)->di_nextents : (dcp)->di_anextents)
358 #endif
359 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_NEXT_SET)
360 void xfs_cfork_next_set(xfs_dinode_core_t *dcp, int w, int n);
361 #define XFS_CFORK_NEXT_SET(dcp,w,n) xfs_cfork_next_set(dcp,w,n)
362 #else
363 #define XFS_CFORK_NEXT_SET(dcp,w,n) \
364 ((w) == XFS_DATA_FORK ? \
365 ((dcp)->di_nextents = (n)) : \
366 ((dcp)->di_anextents = (n)))
368 #endif
370 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_NEXTENTS)
371 int xfs_dfork_nextents(xfs_dinode_t *dip, int w);
372 #define XFS_DFORK_NEXTENTS(dip,w) xfs_dfork_nextents(dip,w)
373 #else
374 #define XFS_DFORK_NEXTENTS(dip,w) XFS_CFORK_NEXTENTS_DISK(&(dip)->di_core, w)
375 #endif
377 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_DINODE)
378 xfs_dinode_t *xfs_buf_to_dinode(struct xfs_buf *bp);
379 #define XFS_BUF_TO_DINODE(bp) xfs_buf_to_dinode(bp)
380 #else
381 #define XFS_BUF_TO_DINODE(bp) ((xfs_dinode_t *)(XFS_BUF_PTR(bp)))
382 #endif
385 * Values for di_flags
386 * There should be a one-to-one correspondence between these flags and the
387 * XFS_XFLAG_s.
389 #define XFS_DIFLAG_REALTIME_BIT 0 /* file's blocks come from rt area */
390 #define XFS_DIFLAG_PREALLOC_BIT 1 /* file space has been preallocated */
391 #define XFS_DIFLAG_NEWRTBM_BIT 2 /* for rtbitmap inode, new format */
392 #define XFS_DIFLAG_IMMUTABLE_BIT 3 /* inode is immutable */
393 #define XFS_DIFLAG_APPEND_BIT 4 /* inode is append-only */
394 #define XFS_DIFLAG_SYNC_BIT 5 /* inode is written synchronously */
395 #define XFS_DIFLAG_NOATIME_BIT 6 /* do not update atime */
396 #define XFS_DIFLAG_NODUMP_BIT 7 /* do not dump */
397 #define XFS_DIFLAG_RTINHERIT_BIT 8 /* create with realtime bit set */
398 #define XFS_DIFLAG_PROJINHERIT_BIT 9 /* create with parents projid */
399 #define XFS_DIFLAG_NOSYMLINKS_BIT 10 /* disallow symlink creation */
400 #define XFS_DIFLAG_REALTIME (1 << XFS_DIFLAG_REALTIME_BIT)
401 #define XFS_DIFLAG_PREALLOC (1 << XFS_DIFLAG_PREALLOC_BIT)
402 #define XFS_DIFLAG_NEWRTBM (1 << XFS_DIFLAG_NEWRTBM_BIT)
403 #define XFS_DIFLAG_IMMUTABLE (1 << XFS_DIFLAG_IMMUTABLE_BIT)
404 #define XFS_DIFLAG_APPEND (1 << XFS_DIFLAG_APPEND_BIT)
405 #define XFS_DIFLAG_SYNC (1 << XFS_DIFLAG_SYNC_BIT)
406 #define XFS_DIFLAG_NOATIME (1 << XFS_DIFLAG_NOATIME_BIT)
407 #define XFS_DIFLAG_NODUMP (1 << XFS_DIFLAG_NODUMP_BIT)
408 #define XFS_DIFLAG_RTINHERIT (1 << XFS_DIFLAG_RTINHERIT_BIT)
409 #define XFS_DIFLAG_PROJINHERIT (1 << XFS_DIFLAG_PROJINHERIT_BIT)
410 #define XFS_DIFLAG_NOSYMLINKS (1 << XFS_DIFLAG_NOSYMLINKS_BIT)
412 #define XFS_DIFLAG_ANY \
413 (XFS_DIFLAG_REALTIME | XFS_DIFLAG_PREALLOC | XFS_DIFLAG_NEWRTBM | \
414 XFS_DIFLAG_IMMUTABLE | XFS_DIFLAG_APPEND | XFS_DIFLAG_SYNC | \
415 XFS_DIFLAG_NOATIME | XFS_DIFLAG_NODUMP | XFS_DIFLAG_RTINHERIT | \
416 XFS_DIFLAG_PROJINHERIT | XFS_DIFLAG_NOSYMLINKS)
418 #endif /* __XFS_DINODE_H__ */