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 * HPUX 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/mount.h>
28 getinode(struct vfs *vfsp, dev_t dev, ino_t inode, int *perror)
30 struct mount *mp = (vfsp ? VFSTOM(vfsp) : 0);
34 if (!mp && !(mp = getmp(dev))) {
38 pip = iget(dev, mp, inode);
45 igetinode(struct vfs *vfsp, dev_t dev, ino_t inode, int *perror)
47 struct inode *pip, *ip;
48 extern struct osi_dev cacheDev;
52 AFS_STATCNT(igetinode);
53 ip = getinode(vfsp, dev, inode, perror);
56 u.u_error = ENOENT; /* Well... */
59 if (ip->i_mode == 0) {
60 /* Not an allocated inode */
65 if (ip->i_nlink == 0 || (ip->i_mode & IFMT) != IFREG) {
79 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4)
80 long dev, near_inode, param1, param2, param3, param4;
83 struct inode *ip, *newip;
85 AFS_STATCNT(afs_syscall_icreate);
87 if (!afs_suser(NULL)) {
92 ip = getinode(0, (dev_t) dev, 2, &dummy);
94 u.u_error = ENOENT; /* Well... */
98 newip = (struct inode *)ialloc(ip, near_inode, 0);
103 newip->i_flag |= IACC | IUPD | ICHG;
105 newip->i_mode = IFREG;
106 newip->i_vnode.v_type = VREG;
107 newip->i_vicemagic = VICEMAGIC;
108 newip->i_vicep1 = param1;
109 newip->i_vicep2 = param2;
110 I_VICE3(newip) = param3;
111 newip->i_vicep4 = param4;
112 u.u_r.r_val1 = newip->i_number;
120 afs_syscall_iopen(dev, inode, usrmod)
121 int dev, inode, usrmod;
125 struct vnode *vp = NULL;
127 extern struct fileops vnodefops;
131 AFS_STATCNT(afs_syscall_iopen);
133 if (!afs_suser(NULL)) {
138 ip = igetinode(0, (dev_t) dev, (ino_t) inode, &dummy);
149 fp->f_ops = &vnodefops;
151 fp->f_data = (char *)vp;
152 fp->f_type = DTYPE_VNODE;
153 fp->f_flag = (usrmod + 1) & (FMASK);
155 /* Obtained from hp kernel sys/vfs_scalls.c: copen().
156 * Otherwise we panic because the v_writecount
157 * goes less than 0 during close.
159 if ((vp->v_type == VREG) && (fp->f_flag & FWRITE)) {
160 VN_INC_WRITECOUNT(vp);
163 /* fp->f_count, f_msgcount are set by falloc */
164 /* fp->f_offset zeroed by falloc */
165 /* f_cred set by falloc */
168 * Obtained from hp kernel sys/vfs_scalls.c: copen() does
169 * a PUTF() (defined earlier in the file) before returning,
170 * so we parrot what it does. If this is not done, then
171 * threaded processes will get EBADF errors when they try
172 * to use the resulting file descriptor (e.g. with lseek()).
174 * Note: u.u_r.r_val1 is set by ufalloc(), which is
175 * called by falloc(), which is called above.
177 if (is_multithreaded(u.u_procp)) {
185 afs_syscall_iincdec(dev, inode, inode_p1, amount)
186 int dev, inode, inode_p1, amount;
192 if (!afs_suser(NULL)) {
197 ip = igetinode(0, (dev_t) dev, (ino_t) inode, &dummy);
202 if (!IS_VICEMAGIC(ip))
204 else if (ip->i_vicep1 != inode_p1)
207 ip->i_nlink += amount;
208 if (ip->i_nlink == 0) {