5 #include <afs/sysincludes.h> /* Standard vendor system headers */
6 #include <afsincludes.h> /* Afs-based standard headers */
7 #include <afs/afs_stats.h> /* statistics */
8 #include <sys/malloc.h>
11 #include <sys/module.h>
12 #include <sys/sysproto.h>
13 #include <sys/syscall.h>
14 #include <sys/sysent.h>
16 struct vcache *afs_globalVp = NULL;
17 struct mount *afs_globalVFS = NULL;
18 int afs_pbuf_freecnt = -1;
20 extern int Afs_xsetgroups();
21 extern int afs_xioctl();
23 static struct sysent old_sysent;
25 static struct sysent afs_sysent = {
27 afs3_syscall, /* sy_call_t *sy_call */
29 AUE_NULL, /* au_event_t sy_auevent */
31 NULL, /* systrace_args_funt_t sy_systrace_args_func */
32 0, /* u_int32_t sy_entry */
33 0, /* u_int32_t sy_return */
35 0, /* u_int32_t sy_flags */
36 0 /* u_int32_t sy_thrcnt */
43 afs_init(struct vfsconf *vfc)
46 int offset = AFS_SYSCALL;
48 code = syscall_register(&offset, &afs_sysent, &old_sysent);
50 printf("AFS_SYSCALL in use, error %i. aborting\n", code);
54 afs_pbuf_freecnt = nswbuf / 2 + 1;
60 afs_uninit(struct vfsconf *vfc)
62 int offset = AFS_SYSCALL;
66 syscall_deregister(&offset, &old_sysent);
71 afs_start(struct mount *mp, int flags, struct thread *p)
73 return (0); /* nothing to do. ? */
77 #if defined(AFS_FBSD80_ENV)
78 afs_omount(struct mount *mp, char *path, caddr_t data)
79 #elif defined(AFS_FBSD53_ENV)
80 afs_omount(struct mount *mp, char *path, caddr_t data, struct thread *p)
82 afs_omount(struct mount *mp, char *path, caddr_t data, struct nameidata *ndp,
86 /* ndp contains the mounted-from device. Just ignore it.
87 * we also don't care about our thread struct. */
90 if (mp->mnt_flag & MNT_UPDATE)
94 AFS_STATCNT(afs_mount);
96 if (afs_globalVFS) { /* Don't allow remounts. */
102 mp->vfs_bsize = 8192;
104 #ifdef AFS_FBSD70_ENV /* XXX 70? */
106 mp->mnt_flag &= ~MNT_LOCAL;
107 mp->mnt_kern_flag |= MNTK_MPSAFE; /* solid steel */
109 mp->mnt_stat.f_iosize = 8192;
112 copyinstr(path, mp->mnt_stat.f_mntonname, MNAMELEN - 1, &size);
114 bcopy("/afs", mp->mnt_stat.f_mntonname, size = 4);
115 memset(mp->mnt_stat.f_mntonname + size, 0, MNAMELEN - size);
116 memset(mp->mnt_stat.f_mntfromname, 0, MNAMELEN);
117 strcpy(mp->mnt_stat.f_mntfromname, "AFS");
118 /* null terminated string "AFS" will fit, just leave it be. */
119 strcpy(mp->mnt_stat.f_fstypename, "afs");
120 #ifdef AFS_FBSD70_ENV
124 #ifdef AFS_FBSD80_ENV
125 afs_statfs(mp, &mp->mnt_stat);
127 afs_statfs(mp, &mp->mnt_stat, p);
133 #ifdef AFS_FBSD53_ENV
135 #ifdef AFS_FBSD80_ENV
136 afs_mount(struct mount *mp)
138 afs_mount(struct mount *mp, struct thread *td)
141 #ifdef AFS_FBSD80_ENV
142 return afs_omount(mp, NULL, NULL);
144 return afs_omount(mp, NULL, NULL, td);
149 #ifdef AFS_FBSD60_ENV
151 #ifdef AFS_FBSD80_ENV
152 afs_cmount(struct mntarg *ma, void *data, int flags)
154 afs_cmount(struct mntarg *ma, void *data, int flags, struct thread *td)
157 return kernel_mount(ma, flags);
162 #ifdef AFS_FBSD80_ENV
163 afs_unmount(struct mount *mp, int flags)
165 afs_unmount(struct mount *mp, int flags, struct thread *p)
171 * Release any remaining vnodes on this mount point.
172 * The `1' means that we hold one extra reference on
173 * the root vnode (this is just a guess right now).
174 * This has to be done outside the global lock.
176 #if defined(AFS_FBSD80_ENV)
177 error = vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0, curthread);
178 #elif defined(AFS_FBSD53_ENV)
179 error = vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0, p);
181 error = vflush(mp, 1, (flags & MNT_FORCE) ? FORCECLOSE : 0);
186 AFS_STATCNT(afs_unmount);
196 #if defined(AFS_FBSD80_ENV)
197 afs_root(struct mount *mp, int flags, struct vnode **vpp)
198 #elif defined(AFS_FBSD60_ENV)
199 afs_root(struct mount *mp, int flags, struct vnode **vpp, struct thread *td)
200 #elif defined(AFS_FBSD53_ENV)
201 afs_root(struct mount *mp, struct vnode **vpp, struct thread *td)
203 afs_root(struct mount *mp, struct vnode **vpp)
207 struct vrequest treq;
208 struct vcache *tvp = 0;
209 #if !defined(AFS_FBSD53_ENV) || defined(AFS_FBSD80_ENV)
210 struct thread *td = curthread;
212 struct ucred *cr = osi_curcred();
215 AFS_STATCNT(afs_root);
217 if (afs_globalVp && (afs_globalVp->f.states & CStatd)) {
223 afs_PutVCache(afs_globalVp);
224 /* vrele() needed here or not? */
227 if (!(error = afs_InitReq(&treq, cr)) && !(error = afs_CheckInit())) {
228 tvp = afs_GetVCache(&afs_rootFid, &treq, NULL, NULL);
229 /* we really want this to stay around */
237 struct vnode *vp = AFSTOV(tvp);
239 ASSERT_VI_UNLOCKED(vp, "afs_root");
242 * I'm uncomfortable about this. Shouldn't this happen at a
243 * higher level, and shouldn't we busy the top-level directory
244 * to prevent recycling?
246 error = vget(vp, LK_EXCLUSIVE | LK_RETRY, td);
247 vp->v_vflag |= VV_ROOT;
256 afs_Trace2(afs_iclSetp, CM_TRACE_VFSROOT, ICL_TYPE_POINTER, tvp ? AFSTOV(tvp) : NULL,
257 ICL_TYPE_INT32, error);
264 #ifdef AFS_FBSD80_ENV
265 afs_statfs(struct mount *mp, struct statfs *abp)
267 afs_statfs(struct mount *mp, struct statfs *abp, struct thread *p)
271 AFS_STATCNT(afs_statfs);
273 abp->f_bsize = mp->vfs_bsize;
274 abp->f_iosize = mp->vfs_bsize;
276 /* Fake a high number below to satisfy programs that use the statfs call
277 * to make sure that there's enough space in the device partition before
278 * storing something there.
280 abp->f_blocks = abp->f_bfree = abp->f_bavail = abp->f_files =
281 abp->f_ffree = 2000000;
283 abp->f_fsid.val[0] = mp->mnt_stat.f_fsid.val[0];
284 abp->f_fsid.val[1] = mp->mnt_stat.f_fsid.val[1];
285 if (abp != &mp->mnt_stat) {
286 abp->f_type = mp->mnt_vfc->vfc_typenum;
287 memcpy((caddr_t) & abp->f_mntonname[0],
288 (caddr_t) mp->mnt_stat.f_mntonname, MNAMELEN);
289 memcpy((caddr_t) & abp->f_mntfromname[0],
290 (caddr_t) mp->mnt_stat.f_mntfromname, MNAMELEN);
298 #if defined(AFS_FBSD80_ENV)
299 afs_sync(struct mount *mp, int waitfor)
300 #elif defined(AFS_FBSD60_ENV)
301 afs_sync(struct mount *mp, int waitfor, struct thread *td)
303 afs_sync(struct mount *mp, int waitfor, struct ucred *cred, struct thread *p)
309 #ifdef AFS_FBSD60_ENV
310 struct vfsops afs_vfsops = {
311 .vfs_init = afs_init,
312 .vfs_mount = afs_mount,
313 .vfs_cmount = afs_cmount,
314 .vfs_root = afs_root,
315 .vfs_statfs = afs_statfs,
316 .vfs_sync = afs_sync,
317 .vfs_uninit = afs_uninit,
318 .vfs_unmount = afs_unmount,
319 .vfs_sysctl = vfs_stdsysctl,
322 struct vfsops afs_vfsops = {
323 #ifdef AFS_FBSD53_ENV