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 * MACOS inode operations
15 #include "../afs/param.h" /* Should be always first */
16 #include "../afs/sysincludes.h" /* Standard vendor system headers */
17 #include "../afs/afsincludes.h" /* Afs-based standard headers */
18 #include "../afs/osi_inode.h"
19 #include "../afs/afs_stats.h" /* statistics stuff */
20 #include <ufs/ufs/ufsmount.h>
21 extern struct ucred afs_osi_cred;
23 getinode(fs, dev, inode, vpp, perror)
36 register struct ufsmount *ump;
38 register struct hfsmount *hmp;
40 register struct vnode *vp;
41 register struct mount *mp;
42 extern struct mount *rootfs;
45 * XXX Also do the test for MFS
47 if (!strcmp(mp->mnt_vfc->vfc_name, "ufs")) {
49 if (ump->um_fs == NULL)
51 if (ump->um_dev == dev) {
56 if (!strcmp(mp->mnt_vfc->vfc_name, "hfs")) {
59 if (hmp->hfs_mp == NULL)
62 if (hmp->hfs_raw_dev == dev) {
68 mp = CIRCLEQ_NEXT(mp, mnt_list);
69 } while (mp != rootfs);
73 code=VFS_VGET(fs, (void *)inode, &vp);
82 extern int afs_CacheFSType;
83 igetinode(vfsp, dev, inode, vpp, va, perror)
91 struct vnode *pvp, *vp;
92 extern struct osi_dev cacheDev;
93 register int code = 0;
97 AFS_STATCNT(igetinode);
98 if ((code = getinode(vfsp, dev, inode, &vp, perror)) != 0) {
101 if (vp->v_type != VREG && vp->v_type != VDIR && vp->v_type != VLNK) {
102 printf("igetinode: bad type %d\n", vp->v_type);
106 VOP_GETATTR(vp, va, &afs_osi_cred, current_proc());
107 if (va->va_mode == 0) {
108 /* Not an allocated inode */
112 if (vfsp && afs_CacheFSType == AFS_APPL_HFS_CACHE && va->va_nlink == 0) {
113 printf("igetinode: hfs nlink 0\n");
115 if (va->va_nlink == 0) {
120 VOP_UNLOCK(vp, 0, current_proc());
129 AFS_STATCNT(iforget);
130 /* XXX could sleep */
131 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, current_proc());
132 /* this whole thing is too wierd. Why??? XXX */
133 if (vp->v_usecount == 1) {
135 VOP_UNLOCK(vp,0, current_proc());
137 simple_lock(&vnode_free_list_slock);
138 TAILQ_INSERT_TAIL(&vnode_free_list, vp, v_freelist);
140 simple_unlock(&vnode_free_list_slock);
142 printf("iforget: leaking vnode\n");
151 * icreate system call -- create an inode
153 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4, retval)
155 long dev, near_inode, param1, param2, param3, param4;
158 struct inode *ip, *newip;
162 AFS_STATCNT(afs_syscall_icreate);
167 code = getinode(0, (dev_t)dev, 2, &ip, &dummy);
171 code = ialloc(ip, (ino_t)near_inode, 0, &newip);
177 newip->i_flag |= IACC|IUPD|ICHG;
181 newip->i_mode = IFREG;
191 extern struct vfs_ubcops ufs_ubcops;
192 extern struct vm_ubc_object* ubc_object_allocate();
193 struct vm_ubc_object* vop;
194 vop = ubc_object_allocate(&vp, &ufs_ubcops,
195 vp->v_mount->m_funnel);
203 newip->i_flags |= IC_XUID|IC_XGID;
204 newip->i_flags &= ~IC_PROPLIST;
205 newip->i_vicep1 = param1;
206 if (param2 == 0x1fffffff/*INODESPECIAL*/) {
207 newip->i_vicep2 = ((0x1fffffff << 3) + (param4 & 0x3));
208 newip->i_vicep3a = (u_short)(param3 >> 16);
209 newip->i_vicep3b = (u_short)param3;
211 newip->i_vicep2 = (((param2 >> 16) & 0x1f) << 27) +
212 (((param4 >> 16) & 0x1f) << 22) +
214 newip->i_vicep3a = (u_short)param4;
215 newip->i_vicep3b = (u_short)param2;
217 newip->i_vicemagic = VICEMAGIC;
219 *retval = newip->i_number;
226 afs_syscall_iopen(dev, inode, usrmod, retval)
228 int dev, inode, usrmod;
232 struct vnode *vp = (struct vnode *)0;
235 extern struct fileops vnops;
238 AFS_STATCNT(afs_syscall_iopen);
243 code = igetinode(0, (dev_t)dev, (ino_t)inode, &ip, &dummy);
247 if ((code = falloc(&fp, &fd)) != 0) {
254 fp->f_flag = (usrmod-FOPEN) & FMASK;
255 fp->f_type = DTYPE_VNODE;
257 fp->f_data = (caddr_t)ITOV(ip);
260 U_FD_SET(fd, fp, &u.u_file_state);
267 * Support for iinc() and idec() system calls--increment or decrement
269 * Restricted to super user.
270 * Only VICEMAGIC type inodes.
272 afs_syscall_iincdec(dev, inode, inode_p1, amount)
273 int dev, inode, inode_p1, amount;
282 code = igetinode(0, (dev_t)dev, (ino_t)inode, &ip, &dummy);
286 if (!IS_VICEMAGIC(ip)) {
288 } else if (ip->i_vicep1 != inode_p1) {
291 ip->i_nlink += amount;
292 if (ip->i_nlink == 0) {
300 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4, retval)
302 long dev, near_inode, param1, param2, param3, param4;
306 afs_syscall_iopen(dev, inode, usrmod, retval)
308 int dev, inode, usrmod;
312 afs_syscall_iincdec(dev, inode, inode_p1, amount)
313 int dev, inode, inode_p1, amount;