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 "../afs/param.h" /* Should be always first */
17 #include <afsconfig.h>
21 #include "../afs/sysincludes.h" /* Standard vendor system headers */
22 #include "../afs/afsincludes.h" /* Afs-based standard headers */
23 #include "../afs/osi_inode.h"
24 #include "../afs/afs_stats.h" /* statistics stuff */
25 #include <sys/mount.h>
29 getinode(struct vfs *vfsp, dev_t dev, ino_t inode, int *perror)
31 struct mount *mp = (vfsp ? VFSTOM(vfsp) : 0);
35 if (!mp && !(mp = getmp(dev))) {
37 return((struct inode *)0);
39 pip=iget(dev,mp,inode);
46 igetinode(struct vfs *vfsp, dev_t dev, ino_t inode, int *perror)
48 struct inode *pip, *ip;
49 extern struct osi_dev cacheDev;
50 register int code = 0;
53 AFS_STATCNT(igetinode);
54 ip = getinode(vfsp, dev, inode,perror);
57 u.u_error = ENOENT; /* Well... */
60 if (ip->i_mode == 0) {
61 /* Not an allocated inode */
66 if (ip->i_nlink == 0 || (ip->i_mode&IFMT) != IFREG) {
80 afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4)
81 long dev, near_inode, param1, param2, param3, param4;
84 struct inode *ip, *newip;
86 AFS_STATCNT(afs_syscall_icreate);
93 ip = getinode(0, (dev_t)dev, 2,&dummy);
95 u.u_error = ENOENT; /* Well... */
99 newip = (struct inode *)ialloc(ip, near_inode, 0);
104 newip->i_flag |= IACC|IUPD|ICHG;
106 newip->i_mode = IFREG;
107 newip->i_vnode.v_type = VREG;
108 newip->i_vicemagic = VICEMAGIC;
109 newip->i_vicep1 = param1;
110 newip->i_vicep2 = param2;
111 I_VICE3(newip) = param3;
112 newip->i_vicep4 = param4;
113 u.u_r.r_val1 = newip->i_number;
121 afs_syscall_iopen(dev, inode, usrmod)
122 int dev, inode, usrmod;
126 struct vnode *vp = (struct vnode *)0;
128 extern struct fileops vnodefops;
131 AFS_STATCNT(afs_syscall_iopen);
138 ip = igetinode(0, (dev_t)dev, (ino_t)inode,&dummy);
148 fp->f_ops = &vnodefops;
150 fp->f_data = (char *)vp;
151 fp->f_type = DTYPE_VNODE;
152 fp->f_flag = (usrmod+1) & (FMASK);
154 /* Obtained from hp kernel sys/vfs_scalls.c: copen().
155 * Otherwise we panic because the v_writecount
156 * goes less than 0 during close.
158 if ((vp->v_type == VREG) && (fp->f_flag & FWRITE)) {
159 VN_INC_WRITECOUNT(vp);
162 /* fp->f_count, f_msgcount are set by falloc */
163 /* fp->f_offset zeroed by falloc */
164 /* f_cred set by falloc */
167 * Obtained from hp kernel sys/vfs_scalls.c: copen() does
168 * a PUTF() (defined earlier in the file) before returning,
169 * so we parrot what it does. If this is not done, then
170 * threaded processes will get EBADF errors when they try
171 * to use the resulting file descriptor (e.g. with lseek()).
173 * Note: u.u_r.r_val1 is set by ufalloc(), which is
174 * called by falloc(), which is called above.
176 if (is_multithreaded(u.u_procp)) {
177 int fd = (int)u.u_r.r_val1;
185 afs_syscall_iincdec(dev, inode, inode_p1, amount)
186 int dev, inode, inode_p1, amount;
190 register afs_int32 code;
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) {