*
*/
#include <afsconfig.h>
-#include "../afs/param.h"
+#include "afs/param.h"
-RCSID("$Header$");
+RCSID
+ ("$Header$");
-#include "../afs/sysincludes.h" /* Standard vendor system headers */
-#include "../afs/afsincludes.h" /* Afs-based standard headers */
-#include "../afs/osi_inode.h"
-#include "../afs/afs_stats.h" /* statistics stuff */
+#include "afs/sysincludes.h" /* Standard vendor system headers */
+#include "afsincludes.h" /* Afs-based standard headers */
+#include "afs/osi_inode.h"
+#include "afs/afs_stats.h" /* statistics stuff */
#include <sys/mount.h>
static struct inode *
getinode(struct vfs *vfsp, dev_t dev, ino_t inode, int *perror)
{
- struct mount *mp = (vfsp ? VFSTOM(vfsp) : 0);
- struct inode *pip;
- *perror = 0;
-
- if (!mp && !(mp = getmp(dev))) {
- u.u_error = ENXIO;
- return(NULL);
- }
- pip=iget(dev,mp,inode);
- if(!pip)
+ struct mount *mp = (vfsp ? VFSTOM(vfsp) : 0);
+ struct inode *pip;
+ *perror = 0;
+
+ if (!mp && !(mp = getmp(dev))) {
+ u.u_error = ENXIO;
+ return (NULL);
+ }
+ pip = iget(dev, mp, inode);
+ if (!pip)
*perror = BAD_IGET;
- return(pip);
+ return (pip);
}
struct inode *
igetinode(struct vfs *vfsp, dev_t dev, ino_t inode, int *perror)
{
- struct inode *pip, *ip;
- extern struct osi_dev cacheDev;
- register int code = 0;
-
- *perror = 0;
- AFS_STATCNT(igetinode);
- ip = getinode(vfsp, dev, inode,perror);
- if (ip == NULL) {
- *perror = BAD_IGET;
- u.u_error = ENOENT; /* Well... */
- return;
- }
- if (ip->i_mode == 0) {
- /* Not an allocated inode */
- iforget(ip);
- u.u_error = ENOENT;
- return;
- }
- if (ip->i_nlink == 0 || (ip->i_mode&IFMT) != IFREG) {
- iput(ip);
- u.u_error = ENOENT;
- return;
- }
- return ip;
+ struct inode *pip, *ip;
+ extern struct osi_dev cacheDev;
+ register int code = 0;
+
+ *perror = 0;
+ AFS_STATCNT(igetinode);
+ ip = getinode(vfsp, dev, inode, perror);
+ if (ip == NULL) {
+ *perror = BAD_IGET;
+ u.u_error = ENOENT; /* Well... */
+ return;
+ }
+ if (ip->i_mode == 0) {
+ /* Not an allocated inode */
+ iforget(ip);
+ u.u_error = ENOENT;
+ return;
+ }
+ if (ip->i_nlink == 0 || (ip->i_mode & IFMT) != IFREG) {
+ iput(ip);
+ u.u_error = ENOENT;
+ return;
+ }
+ return ip;
}
iforget(ip)
struct inode *ip;
{
- idrop(ip);
+ idrop(ip);
}
afs_syscall_icreate(dev, near_inode, param1, param2, param3, param4)
-long dev, near_inode, param1, param2, param3, param4;
+ long dev, near_inode, param1, param2, param3, param4;
{
- int dummy, err=0;
- struct inode *ip, *newip;
-
- AFS_STATCNT(afs_syscall_icreate);
-
- if (!afs_suser()) {
- u.u_error = EPERM;
- goto out;
- }
-
- ip = getinode(0, (dev_t)dev, 2,&dummy);
- if (ip == NULL) {
- u.u_error = ENOENT; /* Well... */
- goto out;
- }
-
- newip = (struct inode *)ialloc(ip, near_inode, 0);
- iput(ip);
- if (newip == NULL)
- goto out;
-
- newip->i_flag |= IACC|IUPD|ICHG;
- newip->i_nlink = 1;
- newip->i_mode = IFREG;
- newip->i_vnode.v_type = VREG;
- newip->i_vicemagic = VICEMAGIC;
- newip->i_vicep1 = param1;
- newip->i_vicep2 = param2;
- I_VICE3(newip) = param3;
- newip->i_vicep4 = param4;
- u.u_r.r_val1 = newip->i_number;
-
- iput(newip);
-
-out:
- return err;
+ int dummy, err = 0;
+ struct inode *ip, *newip;
+
+ AFS_STATCNT(afs_syscall_icreate);
+
+ if (!afs_suser(NULL)) {
+ u.u_error = EPERM;
+ goto out;
+ }
+
+ ip = getinode(0, (dev_t) dev, 2, &dummy);
+ if (ip == NULL) {
+ u.u_error = ENOENT; /* Well... */
+ goto out;
+ }
+
+ newip = (struct inode *)ialloc(ip, near_inode, 0);
+ iput(ip);
+ if (newip == NULL)
+ goto out;
+
+ newip->i_flag |= IACC | IUPD | ICHG;
+ newip->i_nlink = 1;
+ newip->i_mode = IFREG;
+ newip->i_vnode.v_type = VREG;
+ newip->i_vicemagic = VICEMAGIC;
+ newip->i_vicep1 = param1;
+ newip->i_vicep2 = param2;
+ I_VICE3(newip) = param3;
+ newip->i_vicep4 = param4;
+ u.u_r.r_val1 = newip->i_number;
+
+ iput(newip);
+
+ out:
+ return err;
}
afs_syscall_iopen(dev, inode, usrmod)
-int dev, inode, usrmod;
+ int dev, inode, usrmod;
{
- struct file *fp;
- struct inode *ip;
- struct vnode *vp = NULL;
- int dummy;
- extern struct fileops vnodefops;
- register int code;
-
- AFS_STATCNT(afs_syscall_iopen);
-
- if (!afs_suser()) {
- u.u_error = EPERM;
- goto out;
- }
-
- ip = igetinode(0, (dev_t)dev, (ino_t)inode,&dummy);
- if (u.u_error)
- goto out;
- fp = falloc();
- if (!fp) {
- iput(ip);
- goto out;
- }
- iunlock(ip);
-
- fp->f_ops = &vnodefops;
- vp = ITOV(ip);
- fp->f_data = (char *)vp;
- fp->f_type = DTYPE_VNODE;
- fp->f_flag = (usrmod+1) & (FMASK);
-
- /* Obtained from hp kernel sys/vfs_scalls.c: copen().
- * Otherwise we panic because the v_writecount
- * goes less than 0 during close.
- */
- if ((vp->v_type == VREG) && (fp->f_flag & FWRITE)) {
- VN_INC_WRITECOUNT(vp);
- }
-
- /* fp->f_count, f_msgcount are set by falloc */
- /* fp->f_offset zeroed by falloc */
- /* f_cred set by falloc */
-
- /*
- * Obtained from hp kernel sys/vfs_scalls.c: copen() does
- * a PUTF() (defined earlier in the file) before returning,
- * so we parrot what it does. If this is not done, then
- * threaded processes will get EBADF errors when they try
- * to use the resulting file descriptor (e.g. with lseek()).
- *
- * Note: u.u_r.r_val1 is set by ufalloc(), which is
- * called by falloc(), which is called above.
- */
- if (is_multithreaded(u.u_procp)) {
- int fd = (int)u.u_r.r_val1;
- putf(fd);
- }
-
-out:
- return;
+ struct file *fp;
+ struct inode *ip;
+ struct vnode *vp = NULL;
+ int dummy;
+ extern struct fileops vnodefops;
+ register int code;
+
+ AFS_STATCNT(afs_syscall_iopen);
+
+ if (!afs_suser(NULL)) {
+ u.u_error = EPERM;
+ goto out;
+ }
+
+ ip = igetinode(0, (dev_t) dev, (ino_t) inode, &dummy);
+ if (u.u_error)
+ goto out;
+ fp = falloc();
+ if (!fp) {
+ iput(ip);
+ goto out;
+ }
+ iunlock(ip);
+
+ fp->f_ops = &vnodefops;
+ vp = ITOV(ip);
+ fp->f_data = (char *)vp;
+ fp->f_type = DTYPE_VNODE;
+ fp->f_flag = (usrmod + 1) & (FMASK);
+
+ /* Obtained from hp kernel sys/vfs_scalls.c: copen().
+ * Otherwise we panic because the v_writecount
+ * goes less than 0 during close.
+ */
+ if ((vp->v_type == VREG) && (fp->f_flag & FWRITE)) {
+ VN_INC_WRITECOUNT(vp);
+ }
+
+ /* fp->f_count, f_msgcount are set by falloc */
+ /* fp->f_offset zeroed by falloc */
+ /* f_cred set by falloc */
+
+ /*
+ * Obtained from hp kernel sys/vfs_scalls.c: copen() does
+ * a PUTF() (defined earlier in the file) before returning,
+ * so we parrot what it does. If this is not done, then
+ * threaded processes will get EBADF errors when they try
+ * to use the resulting file descriptor (e.g. with lseek()).
+ *
+ * Note: u.u_r.r_val1 is set by ufalloc(), which is
+ * called by falloc(), which is called above.
+ */
+ if (is_multithreaded(u.u_procp)) {
+ int fd = (int)u.u_r.r_val1;
+ putf(fd);
+ }
+
+ out:
+ return;
}
afs_syscall_iincdec(dev, inode, inode_p1, amount)
-int dev, inode, inode_p1, amount;
+ int dev, inode, inode_p1, amount;
{
- int dummy;
- struct inode *ip;
- register afs_int32 code;
-
- if (!afs_suser()) {
- u.u_error = EPERM;
- goto out;
- }
-
- ip = igetinode(0, (dev_t)dev, (ino_t)inode,&dummy);
- if (u.u_error) {
- goto out;
+ int dummy;
+ struct inode *ip;
+ register afs_int32 code;
+
+ if (!afs_suser(NULL)) {
+ u.u_error = EPERM;
+ goto out;
+ }
+
+ ip = igetinode(0, (dev_t) dev, (ino_t) inode, &dummy);
+ if (u.u_error) {
+ goto out;
+ }
+
+ if (!IS_VICEMAGIC(ip))
+ u.u_error = EPERM;
+ else if (ip->i_vicep1 != inode_p1)
+ u.u_error = ENXIO;
+ else {
+ ip->i_nlink += amount;
+ if (ip->i_nlink == 0) {
+ CLEAR_VICEMAGIC(ip);
}
+ ip->i_flag |= ICHG;
+ }
- if (!IS_VICEMAGIC(ip))
- u.u_error = EPERM;
- else if (ip->i_vicep1 != inode_p1)
- u.u_error = ENXIO;
- else {
- ip->i_nlink += amount;
- if (ip->i_nlink == 0) {
- CLEAR_VICEMAGIC(ip);
- }
- ip->i_flag |= ICHG;
- }
-
- iput(ip);
+ iput(ip);
-out:
+ out:
return;
}
git://git.openafs.org / openafs.git / blobdiff