2 * Copyright (c) 2000-2003 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.
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9 * WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
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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.
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20 * with this program; if not, write the Free Software Foundation, Inc., 59
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32 * Portions Copyright (c) 1989, 1993
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59 #ifndef __XFS_VNODE_H__
60 #define __XFS_VNODE_H__
62 #include <sys/vnode.h>
63 #include <sys/namei.h>
66 typedef struct componentname vname_t;
67 typedef bhv_head_t vn_bhv_head_t;
70 * MP locking protocols:
71 * v_flag, v_vfsp VN_LOCK/VN_UNLOCK
72 * v_type read-only or fs-dependent
74 typedef struct xfs_vnode {
75 __u32 v_flag; /* vnode flags (see below) */
76 struct xfs_vfs *v_vfsp; /* ptr to containing VFS */
77 xfs_ino_t v_number; /* in-core vnode number */
78 vn_bhv_head_t v_bh; /* behavior head */
79 struct vnode *v_vnode; /* FreeBSD vnode */
80 struct xfs_inode *v_inode; /* XFS inode */
81 #ifdef XFS_VNODE_TRACE
82 struct ktrace *v_trace; /* trace header structure */
88 #define VN_ISLNK(vp) ((vp)->v_vnode->v_type & VLNK)
89 #define VN_ISREG(vp) ((vp)->v_vnode->v_type & VREG)
90 #define VN_ISDIR(vp) ((vp)->v_vnode->v_type & VDIR)
91 #define VN_ISCHR(vp) ((vp)->v_vnode->v_type & VCHR)
92 #define VN_ISBLK(vp) ((vp)->v_vnode->v_type & VBLK)
93 #define VN_BAD(vp) ((vp)->v_vnode->v_type & VBAD)
95 #define v_fbhv v_bh.bh_first /* first behavior */
96 #define v_fops v_bh.bh_first->bd_ops /* first behavior ops */
98 #define VNODE_POSITION_BASE BHV_POSITION_BASE /* chain bottom */
99 #define VNODE_POSITION_TOP BHV_POSITION_TOP /* chain top */
100 #define VNODE_POSITION_INVALID BHV_POSITION_INVALID /* invalid pos. num */
103 VN_BHV_UNKNOWN, /* not specified */
104 VN_BHV_XFS, /* xfs */
105 VN_BHV_DM, /* data migration */
106 VN_BHV_QM, /* quota manager */
107 VN_BHV_IO, /* IO path */
108 VN_BHV_END /* housekeeping end-of-range */
111 #define VNODE_POSITION_XFS (VNODE_POSITION_BASE)
112 #define VNODE_POSITION_DM (VNODE_POSITION_BASE+10)
113 #define VNODE_POSITION_QM (VNODE_POSITION_BASE+20)
114 #define VNODE_POSITION_IO (VNODE_POSITION_BASE+30)
116 #define VPTOXFSVP(vp) ((struct xfs_vnode *)(vp)->v_data)
119 * Macros for dealing with the behavior descriptor inside of the vnode.
121 #define BHV_TO_VNODE(bdp) ((xfs_vnode_t *)BHV_VOBJ(bdp))
122 #define BHV_TO_VNODE_NULL(bdp) ((xfs_vnode_t *)BHV_VOBJNULL(bdp))
124 #define VN_BHV_HEAD(vp) ((bhv_head_t *)(&((vp)->v_bh)))
125 #define vn_bhv_head_init(bhp,name) bhv_head_init(bhp,name)
126 #define vn_bhv_remove(bhp,bdp) bhv_remove(bhp,bdp)
127 #define vn_bhv_lookup(bhp,ops) bhv_lookup(bhp,ops)
128 #define vn_bhv_lookup_unlocked(bhp,ops) bhv_lookup_unlocked(bhp,ops)
131 * Vnode to Linux inode mapping.
133 #define LINVFS_GET_VP(inode) ((xfs_vnode_t *)NULL)
134 #define LINVFS_GET_IP(vp) ((xfs_inode_t *)NULL)
139 #define VINACT 0x1 /* vnode is being inactivated */
140 #define VRECLM 0x2 /* vnode is being reclaimed */
141 #define VWAIT 0x4 /* waiting for VINACT/VRECLM to end */
142 #define VMODIFIED 0x8 /* XFS inode state possibly differs */
143 /* to the Linux inode state. */
146 * Values for the VOP_RWLOCK and VOP_RWUNLOCK flags parameter.
148 typedef enum vrwlock {
152 VRWLOCK_WRITE_DIRECT,
158 * Return values for VOP_INACTIVE. A return value of
159 * VN_INACTIVE_NOCACHE implies that the file system behavior
160 * has disassociated its state and bhv_desc_t from the vnode.
162 #define VN_INACTIVE_CACHE 0
163 #define VN_INACTIVE_NOCACHE 1
166 * Values for the cmd code given to VOP_VNODE_CHANGE.
168 typedef enum vchange {
169 VCHANGE_FLAGS_FRLOCKS = 0,
170 VCHANGE_FLAGS_ENF_LOCKING = 1,
171 VCHANGE_FLAGS_TRUNCATED = 2,
172 VCHANGE_FLAGS_PAGE_DIRTY = 3,
173 VCHANGE_FLAGS_IOEXCL_COUNT = 4
179 struct attrlist_cursor_kern;
181 typedef int (*xfs_vop_open_t)(bhv_desc_t *, struct cred *);
182 typedef ssize_t (*xfs_vop_read_t)(bhv_desc_t *, uio_t *, int, struct cred *);
183 typedef ssize_t (*xfs_vop_write_t)(bhv_desc_t *, uio_t *, int, struct cred *);
184 typedef int (*xfs_vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *,
185 int, unsigned int, void *);
186 typedef int (*xfs_vop_getattr_t)(bhv_desc_t *, struct xfs_vattr *, int,
188 typedef int (*xfs_vop_setattr_t)(bhv_desc_t *, struct xfs_vattr *, int,
190 typedef int (*xfs_vop_access_t)(bhv_desc_t *, int, struct cred *);
191 typedef int (*xfs_vop_lookup_t)(bhv_desc_t *, vname_t *, xfs_vnode_t **,
192 int, xfs_vnode_t *, struct cred *);
193 typedef int (*xfs_vop_create_t)(bhv_desc_t *, vname_t *, struct xfs_vattr *,
194 xfs_vnode_t **, struct cred *);
195 typedef int (*xfs_vop_remove_t)(bhv_desc_t *, bhv_desc_t *, vname_t *, struct cred *);
196 typedef int (*xfs_vop_link_t)(bhv_desc_t *, xfs_vnode_t *, vname_t *,
198 typedef int (*xfs_vop_rename_t)(bhv_desc_t *, vname_t *, xfs_vnode_t *, vname_t *,
200 typedef int (*xfs_vop_mkdir_t)(bhv_desc_t *, vname_t *, struct xfs_vattr *,
201 xfs_vnode_t **, struct cred *);
202 typedef int (*xfs_vop_rmdir_t)(bhv_desc_t *, vname_t *, struct cred *);
203 typedef int (*xfs_vop_readdir_t)(bhv_desc_t *, struct uio *, struct cred *,
205 typedef int (*xfs_vop_symlink_t)(bhv_desc_t *, vname_t *, struct xfs_vattr *,
206 char *, xfs_vnode_t **, struct cred *);
208 typedef int (*xfs_vop_readlink_t)(bhv_desc_t *, struct uio *, int,
210 typedef int (*xfs_vop_fsync_t)(bhv_desc_t *, int, struct cred *,
211 xfs_off_t, xfs_off_t);
212 typedef int (*xfs_vop_inactive_t)(bhv_desc_t *, struct cred *);
213 typedef int (*xfs_vop_fid2_t)(bhv_desc_t *, struct fid *);
214 typedef int (*xfs_vop_release_t)(bhv_desc_t *);
215 typedef int (*xfs_vop_rwlock_t)(bhv_desc_t *, vrwlock_t);
216 typedef void (*xfs_vop_rwunlock_t)(bhv_desc_t *, vrwlock_t);
217 typedef int (*xfs_vop_frlock_t)(bhv_desc_t *, int, struct file_lock *,int,
218 xfs_off_t, struct cred *);
219 typedef int (*xfs_vop_bmap_t)(bhv_desc_t *, xfs_off_t, ssize_t, int,
220 struct xfs_iomap *, int *);
221 typedef int (*xfs_vop_reclaim_t)(bhv_desc_t *);
222 typedef int (*xfs_vop_attr_get_t)(bhv_desc_t *, const char *, char *, int *, int,
224 typedef int (*xfs_vop_attr_set_t)(bhv_desc_t *, const char *, char *, int, int,
226 typedef int (*xfs_vop_attr_remove_t)(bhv_desc_t *, const char *, int, struct cred *);
227 typedef int (*xfs_vop_attr_list_t)(bhv_desc_t *, char *, int, int,
228 struct attrlist_cursor_kern *, struct cred *);
229 typedef void (*xfs_vop_link_removed_t)(bhv_desc_t *, xfs_vnode_t *, int);
230 typedef void (*xfs_vop_vnode_change_t)(bhv_desc_t *, vchange_t, __psint_t);
231 typedef void (*xfs_vop_ptossvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
232 typedef void (*xfs_vop_pflushinvalvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t, int);
233 typedef int (*xfs_vop_pflushvp_t)(bhv_desc_t *, xfs_off_t, xfs_off_t,
235 typedef int (*xfs_vop_iflush_t)(bhv_desc_t *, int);
238 typedef struct xfs_vnodeops {
239 bhv_position_t vn_position; /* position within behavior chain */
240 xfs_vop_open_t vop_open;
241 xfs_vop_read_t vop_read;
242 xfs_vop_write_t vop_write;
243 xfs_vop_ioctl_t vop_ioctl;
244 xfs_vop_getattr_t vop_getattr;
245 xfs_vop_setattr_t vop_setattr;
246 xfs_vop_access_t vop_access;
247 xfs_vop_lookup_t vop_lookup;
248 xfs_vop_create_t vop_create;
249 xfs_vop_remove_t vop_remove;
250 xfs_vop_link_t vop_link;
251 xfs_vop_rename_t vop_rename;
252 xfs_vop_mkdir_t vop_mkdir;
253 xfs_vop_rmdir_t vop_rmdir;
254 xfs_vop_readdir_t vop_readdir;
255 xfs_vop_symlink_t vop_symlink;
256 xfs_vop_readlink_t vop_readlink;
257 xfs_vop_fsync_t vop_fsync;
258 xfs_vop_inactive_t vop_inactive;
259 xfs_vop_fid2_t vop_fid2;
260 xfs_vop_rwlock_t vop_rwlock;
261 xfs_vop_rwunlock_t vop_rwunlock;
262 xfs_vop_frlock_t vop_frlock;
263 xfs_vop_bmap_t vop_bmap;
264 xfs_vop_reclaim_t vop_reclaim;
265 xfs_vop_attr_get_t vop_attr_get;
266 xfs_vop_attr_set_t vop_attr_set;
267 xfs_vop_attr_remove_t vop_attr_remove;
268 xfs_vop_attr_list_t vop_attr_list;
269 xfs_vop_link_removed_t vop_link_removed;
270 xfs_vop_vnode_change_t vop_vnode_change;
271 xfs_vop_ptossvp_t vop_tosspages;
272 xfs_vop_pflushinvalvp_t vop_flushinval_pages;
273 xfs_vop_pflushvp_t vop_flush_pages;
274 xfs_vop_release_t vop_release;
275 xfs_vop_iflush_t vop_iflush;
281 #define _VOP_(op, vp) (*((xfs_vnodeops_t *)(vp)->v_fops)->op)
283 #define XVOP_READ(vp,uio,ioflags,cr,rv) \
284 rv = _VOP_(vop_read, vp)((vp)->v_fbhv,uio,ioflags,cr)
285 #define XVOP_WRITE(vp,file,uio,ioflags,cr,rv) \
286 rv = _VOP_(vop_write, vp)((vp)->v_fbhv,uio,ioflags,cr)
287 #define XVOP_BMAP(vp,of,sz,rw,b,n,rv) \
288 rv = _VOP_(vop_bmap, vp)((vp)->v_fbhv,of,sz,rw,b,n)
289 #define XVOP_OPEN(vp, cr, rv) \
290 rv = _VOP_(vop_open, vp)((vp)->v_fbhv, cr)
291 #define XVOP_GETATTR(vp, vap, f, cr, rv) \
292 rv = _VOP_(vop_getattr, vp)((vp)->v_fbhv, vap, f, cr)
293 #define XVOP_SETATTR(vp, vap, f, cr, rv) \
294 rv = _VOP_(vop_setattr, vp)((vp)->v_fbhv, vap, f, cr)
295 #define XVOP_ACCESS(vp, mode, cr, rv) \
296 rv = _VOP_(vop_access, vp)((vp)->v_fbhv, mode, cr)
297 #define XVOP_LOOKUP(vp,d,vpp,f,rdir,cr,rv) \
298 rv = _VOP_(vop_lookup, vp)((vp)->v_fbhv,d,vpp,f,rdir,cr)
299 #define XVOP_CREATE(dvp,d,vap,vpp,cr,rv) \
300 rv = _VOP_(vop_create, dvp)((dvp)->v_fbhv,d,vap,vpp,cr)
301 #define XVOP_REMOVE(dvp,d,cr,rv) \
302 rv = _VOP_(vop_remove, dvp)((dvp)->v_fbhv,d,cr)
303 #define XVOP_LINK(tdvp,fvp,d,cr,rv) \
304 rv = _VOP_(vop_link, tdvp)((tdvp)->v_fbhv,fvp,d,cr)
305 #define XVOP_RENAME(fvp,fnm,tdvp,tnm,cr,rv) \
306 rv = _VOP_(vop_rename, fvp)((fvp)->v_fbhv,fnm,tdvp,tnm,cr)
307 #define XVOP_MKDIR(dp,d,vap,vpp,cr,rv) \
308 rv = _VOP_(vop_mkdir, dp)((dp)->v_fbhv,d,vap,vpp,cr)
309 #define XVOP_RMDIR(dp,d,cr,rv) \
310 rv = _VOP_(vop_rmdir, dp)((dp)->v_fbhv,d,cr)
311 #define XVOP_READDIR(vp,uiop,cr,eofp,rv) \
312 rv = _VOP_(vop_readdir, vp)((vp)->v_fbhv,uiop,cr,eofp)
313 #define XVOP_SYMLINK(dvp,d,vap,tnm,vpp,cr,rv) \
314 rv = _VOP_(vop_symlink, dvp) ((dvp)->v_fbhv,d,vap,tnm,vpp,cr)
315 #define XVOP_READLINK(vp,uiop,fl,cr,rv) \
316 rv = _VOP_(vop_readlink, vp)((vp)->v_fbhv,uiop,fl,cr)
318 #define XVOP_FSYNC(vp,f,cr,b,e,rv) \
319 rv = _VOP_(vop_fsync, vp)((vp)->v_fbhv,f,cr,b,e)
320 #define XVOP_INACTIVE(vp, cr, rv) \
321 rv = _VOP_(vop_inactive, vp)((vp)->v_fbhv, cr)
322 #define XVOP_RELEASE(vp, rv) \
323 rv = _VOP_(vop_release, vp)((vp)->v_fbhv)
324 #define XVOP_FID2(vp, fidp, rv) \
325 rv = _VOP_(vop_fid2, vp)((vp)->v_fbhv, fidp)
326 #define XVOP_RWLOCK(vp,i) \
327 (void)_VOP_(vop_rwlock, vp)((vp)->v_fbhv, i)
328 #define XVOP_RWLOCK_TRY(vp,i) \
329 _VOP_(vop_rwlock, vp)((vp)->v_fbhv, i)
330 #define XVOP_RWUNLOCK(vp,i) \
331 (void)_VOP_(vop_rwunlock, vp)((vp)->v_fbhv, i)
332 #define XVOP_FRLOCK(vp,c,fl,flags,offset,fr,rv) \
333 rv = _VOP_(vop_frlock, vp)((vp)->v_fbhv,c,fl,flags,offset,fr)
334 #define XVOP_RECLAIM(vp, rv) \
335 rv = _VOP_(vop_reclaim, vp)((vp)->v_fbhv)
336 #define XVOP_ATTR_GET(vp, name, val, vallenp, fl, cred, rv) \
337 rv = _VOP_(vop_attr_get, vp)((vp)->v_fbhv,name,val,vallenp,fl,cred)
338 #define XVOP_ATTR_SET(vp, name, val, vallen, fl, cred, rv) \
339 rv = _VOP_(vop_attr_set, vp)((vp)->v_fbhv,name,val,vallen,fl,cred)
340 #define XVOP_ATTR_REMOVE(vp, name, flags, cred, rv) \
341 rv = _VOP_(vop_attr_remove, vp)((vp)->v_fbhv,name,flags,cred)
342 #define XVOP_ATTR_LIST(vp, buf, buflen, fl, cursor, cred, rv) \
343 rv = _VOP_(vop_attr_list, vp)((vp)->v_fbhv,buf,buflen,fl,cursor,cred)
344 #define XVOP_LINK_REMOVED(vp, dvp, linkzero) \
345 (void)_VOP_(vop_link_removed, vp)((vp)->v_fbhv, dvp, linkzero)
346 #define XVOP_VNODE_CHANGE(vp, cmd, val) \
347 (void)_VOP_(vop_vnode_change, vp)((vp)->v_fbhv,cmd,val)
349 * These are page cache functions that now go thru VOPs.
350 * 'last' parameter is unused and left in for IRIX compatibility
352 #define XVOP_TOSS_PAGES(vp, first, last, fiopt) \
353 _VOP_(vop_tosspages, vp)((vp)->v_fbhv,first, last, fiopt)
355 * 'last' parameter is unused and left in for IRIX compatibility
357 #define XVOP_FLUSHINVAL_PAGES(vp, first, last, fiopt) \
358 _VOP_(vop_flushinval_pages, vp)((vp)->v_fbhv,first,last,fiopt)
360 * 'last' parameter is unused and left in for IRIX compatibility
362 #define XVOP_FLUSH_PAGES(vp, first, last, flags, fiopt, rv) \
363 rv = _VOP_(vop_flush_pages, vp)((vp)->v_fbhv,first,last,flags,fiopt)
364 #define XVOP_IOCTL(vp, inode, filp, fl, cmd, arg, rv) \
365 rv = _VOP_(vop_ioctl, vp)((vp)->v_fbhv,inode,filp,fl,cmd,arg)
366 #define XVOP_IFLUSH(vp, flags, rv) \
367 rv = _VOP_(vop_iflush, vp)((vp)->v_fbhv, flags)
370 * Flags for read/write calls - select values from FreeBSD IO_ flags
371 * or non-conflicting bits.
373 #define IO_ISDIRECT IO_DIRECT /* bypass page cache */
374 #define IO_INVIS 0x02000 /* don't update inode timestamps */
375 /* #define IO_ISLOCKED 0x04000 don't do inode locking, strictly a CXFS thing */
378 * Flags for VOP_IFLUSH call
380 #define FLUSH_SYNC 1 /* wait for flush to complete */
381 #define FLUSH_INODE 2 /* flush the inode itself */
382 #define FLUSH_LOG 4 /* force the last log entry for
383 * this inode out to disk */
386 * Flush/Invalidate options for VOP_TOSS_PAGES, VOP_FLUSHINVAL_PAGES and
389 #define FI_NONE 0 /* none */
390 #define FI_REMAPF 1 /* Do a remapf prior to the operation */
391 #define FI_REMAPF_LOCKED 2 /* Do a remapf prior to the operation.
392 Prevent VM access to the pages until
393 the operation completes. */
396 * Vnode attributes. va_mask indicates those attributes the caller
397 * wants to set or extract.
399 typedef struct xfs_vattr {
400 int va_mask; /* bit-mask of attributes present */
401 mode_t va_mode; /* file access mode and type */
402 nlink_t va_nlink; /* number of references to file */
403 uid_t va_uid; /* owner user id */
404 gid_t va_gid; /* owner group id */
405 xfs_ino_t va_nodeid; /* file id */
406 xfs_off_t va_size; /* file size in bytes */
407 u_long va_blocksize; /* blocksize preferred for i/o */
408 struct timespec va_atime; /* time of last access */
409 struct timespec va_mtime; /* time of last modification */
410 struct timespec va_ctime; /* time file changed */
411 u_int va_gen; /* generation number of file */
412 xfs_dev_t va_rdev; /* device the special file represents */
413 __int64_t va_nblocks; /* number of blocks allocated */
414 u_long va_xflags; /* random extended file flags */
415 u_long va_extsize; /* file extent size */
416 u_long va_nextents; /* number of extents in file */
417 u_long va_anextents; /* number of attr extents in file */
418 int va_projid; /* project id */
422 * setattr or getattr attributes
424 #define XFS_AT_TYPE 0x00000001
425 #define XFS_AT_MODE 0x00000002
426 #define XFS_AT_UID 0x00000004
427 #define XFS_AT_GID 0x00000008
428 #define XFS_AT_FSID 0x00000010
429 #define XFS_AT_NODEID 0x00000020
430 #define XFS_AT_NLINK 0x00000040
431 #define XFS_AT_SIZE 0x00000080
432 #define XFS_AT_ATIME 0x00000100
433 #define XFS_AT_MTIME 0x00000200
434 #define XFS_AT_CTIME 0x00000400
435 #define XFS_AT_RDEV 0x00000800
436 #define XFS_AT_BLKSIZE 0x00001000
437 #define XFS_AT_NBLOCKS 0x00002000
438 #define XFS_AT_VCODE 0x00004000
439 #define XFS_AT_MAC 0x00008000
440 #define XFS_AT_UPDATIME 0x00010000
441 #define XFS_AT_UPDMTIME 0x00020000
442 #define XFS_AT_UPDCTIME 0x00040000
443 #define XFS_AT_ACL 0x00080000
444 #define XFS_AT_CAP 0x00100000
445 #define XFS_AT_INF 0x00200000
446 #define XFS_AT_XFLAGS 0x00400000
447 #define XFS_AT_EXTSIZE 0x00800000
448 #define XFS_AT_NEXTENTS 0x01000000
449 #define XFS_AT_ANEXTENTS 0x02000000
450 #define XFS_AT_PROJID 0x04000000
451 #define XFS_AT_SIZE_NOPERM 0x08000000
452 #define XFS_AT_GENCOUNT 0x10000000
454 #define XFS_AT_ALL (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\
455 XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\
456 XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME|XFS_AT_RDEV|\
457 XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|XFS_AT_MAC|\
458 XFS_AT_ACL|XFS_AT_CAP|XFS_AT_INF|XFS_AT_XFLAGS|XFS_AT_EXTSIZE|\
459 XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_PROJID|XFS_AT_GENCOUNT)
461 #define XFS_AT_STAT (XFS_AT_TYPE|XFS_AT_MODE|XFS_AT_UID|XFS_AT_GID|\
462 XFS_AT_FSID|XFS_AT_NODEID|XFS_AT_NLINK|XFS_AT_SIZE|\
463 XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME|XFS_AT_RDEV|\
464 XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_PROJID)
466 #define XFS_AT_TIMES (XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME)
468 #define XFS_AT_UPDTIMES (XFS_AT_UPDATIME|XFS_AT_UPDMTIME|XFS_AT_UPDCTIME)
470 #define XFS_AT_NOSET (XFS_AT_NLINK|XFS_AT_RDEV|XFS_AT_FSID|XFS_AT_NODEID|\
471 XFS_AT_TYPE|XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|\
472 XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_GENCOUNT)
478 #define VSUID S_ISUID /* set user id on execution */
479 #define VSGID S_ISGID /* set group id on execution */
480 #define VSVTX S_ISVTX /* save swapped text even after use */
481 #define VREAD S_IRUSR /* read, write, execute permissions */
482 #define VWRITE S_IWUSR
483 #define VEXEC S_IXUSR
484 #endif /* __FreeBSD__ */
486 #define MODEMASK ALLPERMS /* mode bits plus permission bits */
489 * Check whether mandatory file locking is enabled.
491 #define MANDLOCK(vp, mode) \
492 ((vp)->v_vnode->v_type == VREG && ((mode) & (VSGID|(VEXEC>>3))) == VSGID)
494 extern void vn_init(void);
495 extern int vn_wait(struct xfs_vnode *);
496 extern void vn_iowait(struct xfs_vnode *);
497 extern xfs_vnode_t *vn_initialize(struct xfs_vnode *);
500 * Acquiring and invalidating vnodes:
502 * if (vn_get(vp, version, 0))
504 * vn_purge(vp, version);
506 * vn_get and vn_purge must be called with vmap_t arguments, sampled
507 * while a lock that the vnode's VOP_RECLAIM function acquires is
508 * held, to ensure that the vnode sampled with the lock held isn't
509 * recycled (VOP_RECLAIMed) or deallocated between the release of the lock
510 * and the subsequent vn_get or vn_purge.
514 * vnode_map structures _must_ match vn_epoch and vnode structure sizes.
516 typedef struct vnode_map {
523 #define VMAP(vp, vmap) {(vmap).v_vfsp = (vp)->v_vfsp; \
524 (vmap).v_vp = (vp)->v_vnode; \
525 (vmap).v_ino = (vp)->v_inode->i_ino;\
526 vhold((vp)->v_vnode); \
530 extern void vn_purge(struct xfs_vnode *);
531 extern xfs_vnode_t *vn_get(struct xfs_vnode *, vmap_t *);
532 extern int vn_revalidate(struct xfs_vnode *);
534 static inline int vn_count(struct xfs_vnode *vp)
536 return vp->v_vnode->v_usecount;
540 * Vnode reference counting functions (and macros for compatibility).
542 extern xfs_vnode_t *vn_hold(struct xfs_vnode *);
543 extern void vn_rele(struct xfs_vnode *);
545 #if defined(XFS_VNODE_TRACE)
546 #define VN_HOLD(vp) \
547 ((void)vref((vp)->v_vnode), \
548 vn_trace_hold(vp, __FILE__, __LINE__, (inst_t *)__return_address))
549 #define VN_RELE(vp) \
550 (vn_trace_rele(vp, __FILE__, __LINE__, (inst_t *)__return_address), \
551 vrele((vp)->v_vnode))
553 #define VN_HOLD(vp) vref((vp)->v_vnode)
554 #define VN_RELE(vp) vrele((vp)->v_vnode)
558 * Vname handling macros.
560 #define VNAME(cnp) ((cnp)->cn_nameptr)
561 #define VNAMELEN(cnp) ((cnp)->cn_namelen)
562 #define VNAME_TO_VNODE(dentry) (printf("VNAME_TO_VNODE NI"), (xfs_vnode_t *)0)
565 * Vnode spinlock manipulation.
567 #define VN_LOCK(vp) VI_LOCK(vp->v_vnode)
568 #define VN_UNLOCK(vp, s) VI_UNLOCK(vp->v_vnode)
569 #define VN_FLAGSET(vp,b) vn_flagset(vp,b)
570 #define VN_FLAGCLR(vp,b) vn_flagclr(vp,b)
572 static __inline__ void vn_flagset(struct xfs_vnode *vp, __u32 flag)
579 static __inline__ void vn_flagclr(struct xfs_vnode *vp, __u32 flag)
587 * Update modify/access/change times on the vnode
589 #define VN_MTIMESET(vp, tvp)
590 #define VN_ATIMESET(vp, tvp)
591 #define VN_CTIMESET(vp, tvp)
594 * Some useful predicates.
596 #define VN_MAPPED(vp) 0
597 #define VN_CACHED(vp) 0
598 #define VN_DIRTY(vp) 0
599 #define VMODIFY(vp) VN_FLAGSET(vp, VMODIFIED)
600 #define VUNMODIFY(vp) VN_FLAGCLR(vp, VMODIFIED)
604 * Flags to VOP_SETATTR/VOP_GETATTR.
606 #define ATTR_UTIME 0x01 /* non-default utime(2) request */
607 #define ATTR_DMI 0x08 /* invocation from a DMI function */
608 #define ATTR_LAZY 0x80 /* set/get attributes lazily */
609 #define ATTR_NONBLOCK 0x100 /* return EAGAIN if operation would block */
610 #define ATTR_NOLOCK 0x200 /* Don't grab any conflicting locks */
611 #define ATTR_NOSIZETOK 0x400 /* Don't get the SIZE token */
614 * Flags to VOP_FSYNC and VOP_RECLAIM.
616 #define FSYNC_NOWAIT 0 /* asynchronous flush */
617 #define FSYNC_WAIT 0x1 /* synchronous fsync or forced reclaim */
618 #define FSYNC_INVAL 0x2 /* flush and invalidate cached data */
619 #define FSYNC_DATA 0x4 /* synchronous fsync of data only */
622 static inline struct xfs_vnode *vn_grab(struct xfs_vnode *vp)
624 printf("vn_grab NI\n");
625 // struct inode *inode = igrab(vn_to_inode(vp));
626 // return inode ? vn_from_inode(inode) : NULL;
630 static inline void vn_atime_to_bstime(struct xfs_vnode *vp, xfs_bstime_t *bs_atime)
632 printf("%s NI\n", __func__);
633 // bs_atime->tv_sec = vp->v_inode.i_atime.tv_sec;
634 // bs_atime->tv_nsec = vp->v_inode.i_atime.tv_nsec;
637 static inline void vn_atime_to_timespec(struct xfs_vnode *vp, struct timespec *ts)
639 // *ts = vp->v_vnode->va_atime;
643 * Tracking vnode activity.
645 #if defined(XFS_VNODE_TRACE)
647 #define VNODE_TRACE_SIZE 16 /* number of trace entries */
648 #define VNODE_KTRACE_ENTRY 1
649 #define VNODE_KTRACE_EXIT 2
650 #define VNODE_KTRACE_HOLD 3
651 #define VNODE_KTRACE_REF 4
652 #define VNODE_KTRACE_RELE 5
654 extern void vn_trace_entry(struct xfs_vnode *, char *, inst_t *);
655 extern void vn_trace_exit(struct xfs_vnode *, char *, inst_t *);
656 extern void vn_trace_hold(struct xfs_vnode *, char *, int, inst_t *);
657 extern void vn_trace_ref(struct xfs_vnode *, char *, int, inst_t *);
658 extern void vn_trace_rele(struct xfs_vnode *, char *, int, inst_t *);
662 #define VN_TRACE(vp) \
663 vn_trace_ref(vp, __FILE__, __LINE__, (inst_t *)__return_address)
665 #define vn_trace_entry(a,b,c)
666 #define vn_trace_exit(a,b,c)
667 #define vn_trace_hold(a,b,c,d)
668 #define vn_trace_ref(a,b,c,d)
669 #define vn_trace_rele(a,b,c,d)
673 #endif /* __XFS_VNODE_H__ */