2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #include <afsconfig.h>
11 #include "afs/param.h"
14 #include "afs/sysincludes.h" /* Standard vendor system headers */
15 #include "afsincludes.h" /* Afs-based standard headers */
16 #include "afs/afs_stats.h" /* afs statistics */
17 #include "afs/osi_inode.h"
20 int afs_osicred_initialized = 0;
21 afs_ucred_t afs_osi_cred;
22 extern struct osi_dev cacheDev;
23 extern struct mount *afs_cacheVfsp;
24 int afs_CacheFSType = -1;
26 /* Initialize the cache operations. Called while initializing cache files. */
28 afs_InitDualFSCacheOps(struct vnode *vp)
31 static int inited = 0;
32 #ifdef AFS_DARWIN80_ENV
33 char *buffer = (char*)_MALLOC(MFSNAMELEN, M_TEMP, M_WAITOK);
42 #ifdef AFS_DARWIN80_ENV
43 vfs_name(vnode_mount(vp), buffer);
44 if (strncmp("hfs", buffer, 3) == 0)
46 if (strncmp("hfs", vp->v_mount->mnt_vfc->vfc_name, 3) == 0)
48 afs_CacheFSType = AFS_APPL_HFS_CACHE;
49 #ifdef AFS_DARWIN80_ENV
50 else if (strncmp("ufs", buffer, 3) == 0)
52 else if (strncmp("ufs", vp->v_mount->mnt_vfc->vfc_name, 3) == 0)
54 afs_CacheFSType = AFS_APPL_UFS_CACHE;
55 #ifdef AFS_DARWIN80_ENV
56 else if (strncmp("apfs", buffer, 4) == 0)
57 afs_CacheFSType = AFS_APPL_APFS_CACHE;
60 osi_Panic("Unknown cache vnode type\n");
61 #ifdef AFS_DARWIN80_ENV
62 _FREE(buffer, M_TEMP);
67 VnodeToIno(vnode_t avp)
71 #ifndef AFS_DARWIN80_ENV
72 if (afs_CacheFSType == AFS_APPL_UFS_CACHE) {
73 struct inode *ip = VTOI(avp);
75 } else if (afs_CacheFSType == AFS_APPL_HFS_CACHE) {
77 #if defined(AFS_DARWIN80_ENV)
80 VATTR_WANTED(&va, va_fileid);
81 if (vnode_getattr(avp, &va, afs_osi_ctxtp))
82 osi_Panic("VOP_GETATTR failed in VnodeToIno\n");
83 if (!VATTR_ALL_SUPPORTED(&va))
84 osi_Panic("VOP_GETATTR unsupported fileid in VnodeToIno\n");
88 if (VOP_GETATTR(avp, &va, &afs_osi_cred, current_proc()))
89 osi_Panic("VOP_GETATTR failed in VnodeToIno\n");
92 struct hfsnode *hp = VTOH(avp);
95 #ifndef AFS_DARWIN80_ENV
97 osi_Panic("VnodeToIno called before cacheops initialized\n");
104 VnodeToDev(vnode_t avp)
106 #ifndef AFS_DARWIN80_ENV
107 if (afs_CacheFSType == AFS_APPL_UFS_CACHE) {
108 struct inode *ip = VTOI(avp);
110 } else if (afs_CacheFSType == AFS_APPL_HFS_CACHE) {
112 #if defined(AFS_DARWIN80_ENV)
115 VATTR_WANTED(&va, va_fsid);
116 if (vnode_getattr(avp, &va, afs_osi_ctxtp))
117 osi_Panic("VOP_GETATTR failed in VnodeToDev\n");
118 if (!VATTR_ALL_SUPPORTED(&va))
119 osi_Panic("VOP_GETATTR unsupported fsid in VnodeToIno\n");
120 return va.va_fsid; /* XXX they say it's the dev.... */
123 if (VOP_GETATTR(avp, &va, &afs_osi_cred, current_proc()))
124 osi_Panic("VOP_GETATTR failed in VnodeToDev\n");
125 return va.va_fsid; /* XXX they say it's the dev.... */
127 struct hfsnode *hp = VTOH(avp);
130 #ifndef AFS_DARWIN80_ENV
132 osi_Panic("VnodeToDev called before cacheops initialized\n");
137 osi_UFSOpen(afs_dcache_id_t *ainode)
141 struct osi_file *afile = NULL;
142 extern int cacheDiskType;
146 struct osi_stat tstat;
148 AFS_STATCNT(osi_UFSOpen);
149 if (cacheDiskType != AFS_FCACHE_TYPE_UFS) {
150 osi_Panic("UFSOpen called for non-UFS cache\n");
152 if (!afs_osicred_initialized) {
153 /* valid for SunOS, Ultrix */
154 memset(&afs_osi_cred, 0, sizeof(afs_ucred_t));
155 afs_osi_cred.cr_ref++;
156 #ifndef AFS_DARWIN110_ENV
157 afs_osi_cred.cr_ngroups = 1;
159 afs_osicred_initialized = 1;
161 afile = osi_AllocSmallSpace(sizeof(struct osi_file));
163 #ifdef AFS_CACHE_VNODE_PATH
165 osi_Panic("No cache inode\n");
168 code = vnode_open(ainode->ufs, O_RDWR, 0, 0, &vp, afs_osi_ctxtp);
170 #ifndef AFS_DARWIN80_ENV
171 if (afs_CacheFSType == AFS_APPL_HFS_CACHE)
172 code = igetinode(afs_cacheVfsp, (dev_t) cacheDev.dev, &ainode->ufs, &vp, &va, &dummy); /* XXX hfs is broken */
173 else if (afs_CacheFSType == AFS_APPL_UFS_CACHE)
176 igetinode(afs_cacheVfsp, (dev_t) cacheDev.dev, (ino_t) ainode->ufs,
178 #ifndef AFS_DARWIN80_ENV
180 panic("osi_UFSOpen called before cacheops initialized\n");
185 osi_FreeSmallSpace(afile);
186 osi_Panic("UFSOpen: igetinode failed");
190 afile->proc = (int (*)())0;
191 #ifndef AFS_CACHE_VNODE_PATH
192 afile->size = va.va_size;
194 code = afs_osi_Stat(afile, &tstat);
195 afile->size = tstat.size;
197 return (void *)afile;
201 afs_osi_Stat(struct osi_file *afile, struct osi_stat *astat)
205 AFS_STATCNT(osi_Stat);
207 #ifdef AFS_DARWIN80_ENV
209 VATTR_WANTED(&tvattr, va_size);
210 VATTR_WANTED(&tvattr, va_blocksize);
211 VATTR_WANTED(&tvattr, va_mtime);
212 VATTR_WANTED(&tvattr, va_atime);
213 code = vnode_getattr(afile->vnode, &tvattr, afs_osi_ctxtp);
214 if (code == 0 && !VATTR_ALL_SUPPORTED(&tvattr))
217 code = VOP_GETATTR(afile->vnode, &tvattr, &afs_osi_cred, current_proc());
221 astat->size = tvattr.va_size;
222 astat->mtime = tvattr.va_mtime.tv_sec;
223 astat->atime = tvattr.va_atime.tv_sec;
229 osi_UFSClose(struct osi_file *afile)
231 AFS_STATCNT(osi_Close);
233 #ifdef AFS_DARWIN80_ENV
234 vnode_close(afile->vnode, O_RDWR, afs_osi_ctxtp);
236 AFS_RELE(afile->vnode);
240 osi_FreeSmallSpace(afile);
245 osi_UFSTruncate(struct osi_file *afile, afs_int32 asize)
247 afs_ucred_t *oldCred;
250 struct osi_stat tstat;
251 AFS_STATCNT(osi_Truncate);
253 /* This routine only shrinks files, and most systems
254 * have very slow truncates, even when the file is already
255 * small enough. Check now and save some time.
257 code = afs_osi_Stat(afile, &tstat);
258 if (code || tstat.size <= asize)
261 #ifdef AFS_DARWIN80_ENV
263 VATTR_SET(&tvattr, va_size, asize);
264 code = vnode_setattr(afile->vnode, &tvattr, afs_osi_ctxtp);
267 tvattr.va_size = asize;
268 code = VOP_SETATTR(afile->vnode, &tvattr, &afs_osi_cred, current_proc());
275 #ifdef AFS_DARWIN80_ENV
276 osi_DisableAtimes(vnode_t avp)
278 osi_DisableAtimes(struct vnode *avp)
281 #ifdef AFS_DARWIN80_ENV
282 struct vnode_attr vap;
285 VATTR_CLEAR_SUPPORTED(&vap, va_access_time);
286 vnode_setattr(avp, &vap, afs_osi_ctxtp);
288 if (afs_CacheFSType == AFS_APPL_UFS_CACHE) {
289 struct inode *ip = VTOI(avp);
290 ip->i_flag &= ~IN_ACCESS;
292 #ifdef VTOH /* can't do this without internals */
293 else if (afs_CacheFSType == AFS_APPL_HFS_CACHE) {
294 struct hfsnode *hp = VTOH(avp);
295 hp->h_nodeflags &= ~IN_ACCESS;
302 /* Generic read interface */
304 afs_osi_Read(struct osi_file *afile, int offset, void *aptr,
307 afs_ucred_t *oldCred;
310 #ifdef AFS_DARWIN80_ENV
313 AFS_STATCNT(osi_Read);
316 * If the osi_file passed in is NULL, panic only if AFS is not shutting
317 * down. No point in crashing when we are already shutting down
320 if (afs_shuttingdown == AFS_RUNNING)
321 osi_Panic("osi_Read called with null param");
327 afile->offset = offset;
329 #ifdef AFS_DARWIN80_ENV
330 uio=uio_create(1, afile->offset, AFS_UIOSYS, UIO_READ);
331 uio_addiov(uio, CAST_USER_ADDR_T(aptr), asize);
332 code = VNOP_READ(afile->vnode, uio, IO_UNIT, afs_osi_ctxtp);
333 resid = AFS_UIO_RESID(uio);
337 gop_rdwr(UIO_READ, afile->vnode, (caddr_t) aptr, asize, afile->offset,
338 AFS_UIOSYS, IO_UNIT, &afs_osi_cred, &resid);
342 code = asize - resid;
343 afile->offset += code;
344 osi_DisableAtimes(afile->vnode);
346 afs_Trace2(afs_iclSetp, CM_TRACE_READFAILED, ICL_TYPE_INT32, resid,
347 ICL_TYPE_INT32, code);
355 /* Generic write interface */
357 afs_osi_Write(struct osi_file *afile, afs_int32 offset, void *aptr,
360 afs_ucred_t *oldCred;
363 #ifdef AFS_DARWIN80_ENV
366 AFS_STATCNT(osi_Write);
368 osi_Panic("afs_osi_Write called with null param");
370 afile->offset = offset;
373 #ifdef AFS_DARWIN80_ENV
374 uio=uio_create(1, afile->offset, AFS_UIOSYS, UIO_WRITE);
375 uio_addiov(uio, CAST_USER_ADDR_T(aptr), asize);
376 code = VNOP_WRITE(afile->vnode, uio, IO_UNIT, afs_osi_ctxtp);
377 resid = AFS_UIO_RESID(uio);
381 gop_rdwr(UIO_WRITE, afile->vnode, (caddr_t) aptr, asize,
382 afile->offset, AFS_UIOSYS, IO_UNIT, &afs_osi_cred,
388 code = asize - resid;
389 afile->offset += code;
396 (*afile->proc) (afile, code);
406 shutdown_osifile(void)
408 AFS_STATCNT(shutdown_osifile);
409 if (afs_cold_shutdown) {
410 afs_osicred_initialized = 0;