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-rw-r--r--fs/xfs/xfs_dinode.h169
1 files changed, 17 insertions, 152 deletions
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index f5c932b064e6..9e1fd2323255 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -37,13 +37,8 @@ struct xfs_mount;
37 37
38#define XFS_DINODE_VERSION_1 1 38#define XFS_DINODE_VERSION_1 1
39#define XFS_DINODE_VERSION_2 2 39#define XFS_DINODE_VERSION_2 2
40#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DINODE_GOOD_VERSION) 40#define XFS_DINODE_GOOD_VERSION(v) \
41int xfs_dinode_good_version(int v); 41 (((v) == XFS_DINODE_VERSION_1 || (v) == XFS_DINODE_VERSION_2))
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' */ 42#define XFS_DINODE_MAGIC 0x494e /* 'IN' */
48 43
49/* 44/*
@@ -184,75 +179,30 @@ typedef enum xfs_dinode_fmt
184/* 179/*
185 * Inode size for given fs. 180 * Inode size for given fs.
186 */ 181 */
187#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LITINO)
188int xfs_litino(struct xfs_mount *mp);
189#define XFS_LITINO(mp) xfs_litino(mp)
190#else
191#define XFS_LITINO(mp) ((mp)->m_litino) 182#define XFS_LITINO(mp) ((mp)->m_litino)
192#endif
193#define XFS_BROOT_SIZE_ADJ \ 183#define XFS_BROOT_SIZE_ADJ \
194 (sizeof(xfs_bmbt_block_t) - sizeof(xfs_bmdr_block_t)) 184 (sizeof(xfs_bmbt_block_t) - sizeof(xfs_bmdr_block_t))
195 185
196/* 186/*
197 * Fork identifiers. Here so utilities can use them without including
198 * xfs_inode.h.
199 */
200#define XFS_DATA_FORK 0
201#define XFS_ATTR_FORK 1
202
203/*
204 * Inode data & attribute fork sizes, per inode. 187 * Inode data & attribute fork sizes, per inode.
205 */ 188 */
206#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_Q)
207int xfs_cfork_q_disk(xfs_dinode_core_t *dcp);
208int 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) 189#define XFS_CFORK_Q(dcp) ((dcp)->di_forkoff != 0)
190#define XFS_CFORK_Q_DISK(dcp) ((dcp)->di_forkoff != 0)
214 191
215#endif
216#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_BOFF)
217int xfs_cfork_boff_disk(xfs_dinode_core_t *dcp);
218int 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)) 192#define XFS_CFORK_BOFF(dcp) ((int)((dcp)->di_forkoff << 3))
193#define XFS_CFORK_BOFF_DISK(dcp) \
194 ((int)(INT_GET((dcp)->di_forkoff, ARCH_CONVERT) << 3))
224 195
225#endif
226#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_DSIZE)
227int xfs_cfork_dsize_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
228int 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) \ 196#define XFS_CFORK_DSIZE_DISK(dcp,mp) \
233 (XFS_CFORK_Q_DISK(dcp) ? XFS_CFORK_BOFF_DISK(dcp) : XFS_LITINO(mp)) 197 (XFS_CFORK_Q_DISK(dcp) ? XFS_CFORK_BOFF_DISK(dcp) : XFS_LITINO(mp))
234#define XFS_CFORK_DSIZE(dcp,mp) \ 198#define XFS_CFORK_DSIZE(dcp,mp) \
235 (XFS_CFORK_Q(dcp) ? XFS_CFORK_BOFF(dcp) : XFS_LITINO(mp)) 199 (XFS_CFORK_Q(dcp) ? XFS_CFORK_BOFF(dcp) : XFS_LITINO(mp))
236 200
237#endif
238#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_ASIZE)
239int xfs_cfork_asize_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp);
240int 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) \ 201#define XFS_CFORK_ASIZE_DISK(dcp,mp) \
245 (XFS_CFORK_Q_DISK(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF_DISK(dcp) : 0) 202 (XFS_CFORK_Q_DISK(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF_DISK(dcp) : 0)
246#define XFS_CFORK_ASIZE(dcp,mp) \ 203#define XFS_CFORK_ASIZE(dcp,mp) \
247 (XFS_CFORK_Q(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF(dcp) : 0) 204 (XFS_CFORK_Q(dcp) ? XFS_LITINO(mp) - XFS_CFORK_BOFF(dcp) : 0)
248 205
249#endif
250#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_SIZE)
251int xfs_cfork_size_disk(xfs_dinode_core_t *dcp, struct xfs_mount *mp, int w);
252int 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) \ 206#define XFS_CFORK_SIZE_DISK(dcp,mp,w) \
257 ((w) == XFS_DATA_FORK ? \ 207 ((w) == XFS_DATA_FORK ? \
258 XFS_CFORK_DSIZE_DISK(dcp, mp) : \ 208 XFS_CFORK_DSIZE_DISK(dcp, mp) : \
@@ -261,93 +211,26 @@ int xfs_cfork_size(xfs_dinode_core_t *dcp, struct xfs_mount *mp, int w);
261 ((w) == XFS_DATA_FORK ? \ 211 ((w) == XFS_DATA_FORK ? \
262 XFS_CFORK_DSIZE(dcp, mp) : XFS_CFORK_ASIZE(dcp, mp)) 212 XFS_CFORK_DSIZE(dcp, mp) : XFS_CFORK_ASIZE(dcp, mp))
263 213
264#endif 214#define XFS_DFORK_DSIZE(dip,mp) \
265 215 XFS_CFORK_DSIZE_DISK(&(dip)->di_core, mp)
266#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_DSIZE) 216#define XFS_DFORK_ASIZE(dip,mp) \
267int xfs_dfork_dsize(xfs_dinode_t *dip, struct xfs_mount *mp); 217 XFS_CFORK_ASIZE_DISK(&(dip)->di_core, mp)
268#define XFS_DFORK_DSIZE(dip,mp) xfs_dfork_dsize(dip,mp) 218#define XFS_DFORK_SIZE(dip,mp,w) \
269#else 219 XFS_CFORK_SIZE_DISK(&(dip)->di_core, mp, w)
270#define XFS_DFORK_DSIZE(dip,mp) XFS_CFORK_DSIZE_DISK(&(dip)->di_core, mp)
271
272#endif
273#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_ASIZE)
274int 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)
278
279#endif
280#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_SIZE)
281int 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)
285
286#endif
287 220
288/*
289 * Macros for accessing per-fork disk inode information.
290 */
291#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_Q)
292int 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) 221#define XFS_DFORK_Q(dip) XFS_CFORK_Q_DISK(&(dip)->di_core)
296
297#endif
298#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_BOFF)
299int 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) 222#define XFS_DFORK_BOFF(dip) XFS_CFORK_BOFF_DISK(&(dip)->di_core)
303
304#endif
305#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_DPTR)
306char *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) 223#define XFS_DFORK_DPTR(dip) ((dip)->di_u.di_c)
310 224#define XFS_DFORK_APTR(dip) \
311#endif 225 ((dip)->di_u.di_c + XFS_DFORK_BOFF(dip))
312#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_APTR)
313char *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))
317
318#endif
319#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_PTR)
320char *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) \ 226#define XFS_DFORK_PTR(dip,w) \
324 ((w) == XFS_DATA_FORK ? XFS_DFORK_DPTR(dip) : XFS_DFORK_APTR(dip)) 227 ((w) == XFS_DATA_FORK ? XFS_DFORK_DPTR(dip) : XFS_DFORK_APTR(dip))
325 228#define XFS_CFORK_FORMAT(dcp,w) \
326#endif
327#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_FORMAT)
328int 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) 229 ((w) == XFS_DATA_FORK ? (dcp)->di_format : (dcp)->di_aformat)
333
334#endif
335#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_FMT_SET)
336void 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) \ 230#define XFS_CFORK_FMT_SET(dcp,w,n) \
340 ((w) == XFS_DATA_FORK ? \ 231 ((w) == XFS_DATA_FORK ? \
341 ((dcp)->di_format = (n)) : \ 232 ((dcp)->di_format = (n)) : ((dcp)->di_aformat = (n)))
342 ((dcp)->di_aformat = (n)))
343 233
344#endif
345#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_NEXTENTS)
346int xfs_cfork_nextents_disk(xfs_dinode_core_t *dcp, int w);
347int 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) \ 234#define XFS_CFORK_NEXTENTS_DISK(dcp,w) \
352 ((w) == XFS_DATA_FORK ? \ 235 ((w) == XFS_DATA_FORK ? \
353 INT_GET((dcp)->di_nextents, ARCH_CONVERT) : \ 236 INT_GET((dcp)->di_nextents, ARCH_CONVERT) : \
@@ -355,31 +238,13 @@ int xfs_cfork_nextents(xfs_dinode_core_t *dcp, int w);
355#define XFS_CFORK_NEXTENTS(dcp,w) \ 238#define XFS_CFORK_NEXTENTS(dcp,w) \
356 ((w) == XFS_DATA_FORK ? (dcp)->di_nextents : (dcp)->di_anextents) 239 ((w) == XFS_DATA_FORK ? (dcp)->di_nextents : (dcp)->di_anextents)
357 240
358#endif
359#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_CFORK_NEXT_SET)
360void 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) \ 241#define XFS_CFORK_NEXT_SET(dcp,w,n) \
364 ((w) == XFS_DATA_FORK ? \ 242 ((w) == XFS_DATA_FORK ? \
365 ((dcp)->di_nextents = (n)) : \ 243 ((dcp)->di_nextents = (n)) : ((dcp)->di_anextents = (n)))
366 ((dcp)->di_anextents = (n)))
367
368#endif
369 244
370#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_DFORK_NEXTENTS)
371int 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) 245#define XFS_DFORK_NEXTENTS(dip,w) XFS_CFORK_NEXTENTS_DISK(&(dip)->di_core, w)
375#endif
376 246
377#if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_BUF_TO_DINODE) 247#define XFS_BUF_TO_DINODE(bp) ((xfs_dinode_t *)XFS_BUF_PTR(bp))
378xfs_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
383 248
384/* 249/*
385 * Values for di_flags 250 * Values for di_flags