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
11 * FreeBSD inode operations
16 #include <afsconfig.h>
17 #include "afs/param.h"
20 #include "afs/sysincludes.h" /* Standard vendor system headers */
21 #include "afsincludes.h" /* Afs-based standard headers */
22 #include "afs/osi_inode.h"
23 #include "afs/afs_stats.h" /* statistics stuff */
24 #include <sys/queue.h>
26 #include <ufs/ufs/dinode.h>
27 #include <ufs/ufs/extattr.h>
28 #include <ufs/ufs/ufsmount.h>
31 getinode(fs, dev, inode, ipp, perror)
51 mtx_lock(&mountlist_mtx);
52 if ((mp = TAILQ_FIRST(&mountlist)) != NULL)
55 * XXX Also do the test for MFS
59 if (!strcmp(mp->mnt_stat.f_fstypename, MOUNT_UFS)) {
61 if (ump->um_fs == NULL)
63 if (ump->um_dev == dev) {
67 mp = TAILQ_NEXT(mp, mnt_list);
68 } while (mp != TAILQ_FIRST(&mountlist));
69 mtx_unlock(&mountlist_mtx);
73 code = VFS_VGET(fs, inode, 0, &vp);
84 igetinode(vfsp, dev, inode, ipp, perror)
100 AFS_STATCNT(igetinode);
102 if ((code = getinode(vfsp, dev, inode, &ip, perror)) != 0) {
106 if (ip->i_mode == 0) {
107 /* Not an allocated inode */
112 if (ip->i_nlink == 0 || (ip->i_mode & IFMT) != IFREG) {
123 * icreate system call -- create an inode
125 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4, retval)
127 long dev, near_inode, param1, param2, param3, param4;
130 struct inode *ip, *newip;
134 AFS_STATCNT(afs_syscall_icreate);
136 if (!afs_suser(NULL))
139 code = getinode(0, (dev_t) dev, 2, &ip, &dummy);
143 code = ialloc(ip, (ino_t) near_inode, 0, &newip);
149 newip->i_flag |= IACC | IUPD | ICHG;
153 newip->i_mode = IFREG;
162 * if ( !vp->v_object)
164 * extern struct vfs_ubcops ufs_ubcops;
165 * extern struct vm_ubc_object* ubc_object_allocate();
166 * struct vm_ubc_object* vop;
167 * vop = ubc_object_allocate(&vp, &ufs_ubcops,
168 * vp->v_mount->m_funnel);
170 * vp->v_object = vop;
176 /* newip->i_flags |= IC_XUID|IC_XGID; */
177 /* newip->i_flags &= ~IC_PROPLIST; */
178 newip->i_vicep1 = param1;
179 if (param2 == 0x1fffffff /*INODESPECIAL*/) {
180 newip->i_vicep2 = ((0x1fffffff << 3) + (param4 & 0x3));
181 newip->i_vicep3a = (u_short) (param3 >> 16);
182 newip->i_vicep3b = (u_short) param3;
185 (((param2 >> 16) & 0x1f) << 27) +
186 (((param4 >> 16) & 0x1f) << 22) + (param3 & 0x3fffff);
187 newip->i_vicep3a = (u_short) param4;
188 newip->i_vicep3b = (u_short) param2;
190 newip->i_vicemagic = VICEMAGIC;
192 *retval = newip->i_number;
200 afs_syscall_iopen(dev, inode, usrmod, retval)
202 int dev, inode, usrmod;
206 struct vnode *vp = NULL;
209 extern struct fileops vnops;
212 AFS_STATCNT(afs_syscall_iopen);
214 if (!afs_suser(NULL))
217 code = igetinode(0, (dev_t) dev, (ino_t) inode, &ip, &dummy);
221 if ((code = falloc(curproc, &fp, &fd)) != 0) {
227 /* FreeBSD doesn't do much mp stuff yet :( */
229 fp->f_flag = (usrmod) & FMASK;
230 fp->f_type = DTYPE_VNODE;
232 fp->f_data = (caddr_t) ITOV(ip);
240 * Support for iinc() and idec() system calls--increment or decrement
242 * Restricted to super user.
243 * Only VICEMAGIC type inodes.
246 afs_syscall_iincdec(dev, inode, inode_p1, amount)
247 int dev, inode, inode_p1, amount;
253 if (!afs_suser(NULL))
256 code = igetinode(0, (dev_t) dev, (ino_t) inode, &ip, &dummy);
260 if (!IS_VICEMAGIC(ip)) {
262 } else if (ip->i_vicep1 != inode_p1) {
265 ip->i_nlink += amount;
266 if (ip->i_nlink == 0) {
275 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4, retval)
277 long dev, near_inode, param1, param2, param3, param4;
283 afs_syscall_iopen(dev, inode, usrmod, retval)
285 int dev, inode, usrmod;
291 afs_syscall_iincdec(dev, inode, inode_p1, amount)
292 int dev, inode, inode_p1, amount;