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"
22 #include "afs/sysincludes.h" /* Standard vendor system headers */
23 #include "afsincludes.h" /* Afs-based standard headers */
24 #include "afs/osi_inode.h"
25 #include "afs/afs_stats.h" /* statistics stuff */
26 #include <sys/queue.h>
28 #include <ufs/ufs/dinode.h>
29 #if defined(AFS_FBSD50_ENV)
30 #include <ufs/ufs/extattr.h>
32 #include <ufs/ufsmount.h>
35 getinode(fs, dev, inode, ipp, perror)
48 register struct ufsmount *ump;
49 register struct mount *mp;
51 #if defined(AFS_FBSD50_ENV)
52 mtx_lock(&mountlist_mtx);
54 simple_lock(&mountlist_slock);
56 if ((mp = TAILQ_FIRST(&mountlist)) != NULL)
59 * XXX Also do the test for MFS
63 if (!strcmp(mp->mnt_stat.f_fstypename, MOUNT_UFS)) {
65 if (ump->um_fs == NULL)
67 if (ump->um_dev == dev) {
71 mp = TAILQ_NEXT(mp, mnt_list);
72 } while (mp != TAILQ_FIRST(&mountlist));
73 #if defined(AFS_FBSD50_ENV)
74 mtx_unlock(&mountlist_mtx);
76 simple_unlock(&mountlist_slock);
81 #if defined(AFS_FBSD50_ENV)
82 code = VFS_VGET(fs, inode, 0, &vp);
84 code = VFS_VGET(fs, inode, &vp);
96 igetinode(vfsp, dev, inode, ipp, perror)
104 register int code = 0;
108 AFS_STATCNT(igetinode);
110 if ((code = getinode(vfsp, dev, inode, &ip, perror)) != 0) {
114 if (ip->i_mode == 0) {
115 /* Not an allocated inode */
120 if (ip->i_nlink == 0 || (ip->i_mode & IFMT) != IFREG) {
131 * icreate system call -- create an inode
133 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4, retval)
135 long dev, near_inode, param1, param2, param3, param4;
138 struct inode *ip, *newip;
142 AFS_STATCNT(afs_syscall_icreate);
144 if (!afs_suser(NULL))
147 code = getinode(0, (dev_t) dev, 2, &ip, &dummy);
151 code = ialloc(ip, (ino_t) near_inode, 0, &newip);
157 newip->i_flag |= IACC | IUPD | ICHG;
161 newip->i_mode = IFREG;
170 * if ( !vp->v_object)
172 * extern struct vfs_ubcops ufs_ubcops;
173 * extern struct vm_ubc_object* ubc_object_allocate();
174 * struct vm_ubc_object* vop;
175 * vop = ubc_object_allocate(&vp, &ufs_ubcops,
176 * vp->v_mount->m_funnel);
178 * vp->v_object = vop;
184 /* newip->i_flags |= IC_XUID|IC_XGID; */
185 /* newip->i_flags &= ~IC_PROPLIST; */
186 newip->i_vicep1 = param1;
187 if (param2 == 0x1fffffff /*INODESPECIAL*/) {
188 newip->i_vicep2 = ((0x1fffffff << 3) + (param4 & 0x3));
189 newip->i_vicep3a = (u_short) (param3 >> 16);
190 newip->i_vicep3b = (u_short) param3;
193 (((param2 >> 16) & 0x1f) << 27) +
194 (((param4 >> 16) & 0x1f) << 22) + (param3 & 0x3fffff);
195 newip->i_vicep3a = (u_short) param4;
196 newip->i_vicep3b = (u_short) param2;
198 newip->i_vicemagic = VICEMAGIC;
200 *retval = newip->i_number;
208 afs_syscall_iopen(dev, inode, usrmod, retval)
210 int dev, inode, usrmod;
214 struct vnode *vp = NULL;
217 extern struct fileops vnops;
220 AFS_STATCNT(afs_syscall_iopen);
222 if (!afs_suser(NULL))
225 code = igetinode(0, (dev_t) dev, (ino_t) inode, &ip, &dummy);
229 if ((code = falloc(curproc, &fp, &fd)) != 0) {
235 /* FreeBSD doesn't do much mp stuff yet :( */
237 fp->f_flag = (usrmod) & FMASK;
238 fp->f_type = DTYPE_VNODE;
240 fp->f_data = (caddr_t) ITOV(ip);
248 * Support for iinc() and idec() system calls--increment or decrement
250 * Restricted to super user.
251 * Only VICEMAGIC type inodes.
254 afs_syscall_iincdec(dev, inode, inode_p1, amount)
255 int dev, inode, inode_p1, amount;
261 if (!afs_suser(NULL))
264 code = igetinode(0, (dev_t) dev, (ino_t) inode, &ip, &dummy);
268 if (!IS_VICEMAGIC(ip)) {
270 } else if (ip->i_vicep1 != inode_p1) {
273 ip->i_nlink += amount;
274 if (ip->i_nlink == 0) {
283 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4, retval)
285 long dev, near_inode, param1, param2, param3, param4;
291 afs_syscall_iopen(dev, inode, usrmod, retval)
293 int dev, inode, usrmod;
299 afs_syscall_iincdec(dev, inode, inode_p1, amount)
300 int dev, inode, inode_p1, amount;