patch-2.1.28 linux/fs/proc/inode.c
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- Lines: 118
- Date:
Fri Feb 28 15:00:55 1997
- Orig file:
v2.1.27/linux/fs/proc/inode.c
- Orig date:
Thu Dec 19 01:03:36 1996
diff -u --recursive --new-file v2.1.27/linux/fs/proc/inode.c linux/fs/proc/inode.c
@@ -81,6 +81,7 @@
struct inode * proc_get_inode(struct super_block * s, int ino, struct proc_dir_entry * de)
{
struct inode * inode = iget(s, ino);
+ struct task_struct *p;
#ifdef CONFIG_SUN_OPENPROMFS_MODULE
if ((inode->i_ino >= PROC_OPENPROM_FIRST)
@@ -106,6 +107,14 @@
de->fill_inode(inode);
}
}
+ /*
+ * Fixup the root inode's nlink value
+ */
+ if (inode->i_ino == PROC_ROOT_INO) {
+ for_each_task(p)
+ if (p && p->pid)
+ inode->i_nlink++;
+ }
return inode;
}
@@ -162,92 +171,19 @@
inode->i_nlink = 1;
inode->i_size = 0;
pid = ino >> 16;
+ if (!pid)
+ return;
p = task[0];
for (i = 0; i < NR_TASKS ; i++)
if ((p = task[i]) && (p->pid == pid))
break;
if (!p || i >= NR_TASKS)
return;
- if (ino == PROC_ROOT_INO) {
- inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
- inode->i_nlink = 2;
- for (i = 1 ; i < NR_TASKS ; i++)
- if (task[i])
- inode->i_nlink++;
- return;
- }
- if (!pid) {
- switch (ino) {
- case PROC_KMSG:
- inode->i_mode = S_IFREG | S_IRUSR;
- inode->i_op = &proc_kmsg_inode_operations;
- break;
- case PROC_NET:
- inode->i_nlink = 2;
- break;
- case PROC_SCSI:
- inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
- inode->i_nlink = 2;
- inode->i_op = &proc_scsi_inode_operations;
- break;
- case PROC_KCORE:
- inode->i_mode = S_IFREG | S_IRUSR;
- inode->i_op = &proc_kcore_inode_operations;
- inode->i_size = (MAP_NR(high_memory) << PAGE_SHIFT) + PAGE_SIZE;
- break;
- case PROC_PROFILE:
- inode->i_mode = S_IFREG | S_IRUGO | S_IWUSR;
- inode->i_op = &proc_profile_inode_operations;
- inode->i_size = (1+prof_len) * sizeof(unsigned long);
- break;
- default:
- inode->i_mode = S_IFREG | S_IRUGO;
- inode->i_op = &proc_array_inode_operations;
- break;
- }
- return;
- }
ino &= 0x0000ffff;
if (ino == PROC_PID_INO || p->dumpable) {
inode->i_uid = p->euid;
inode->i_gid = p->egid;
- }
- switch (ino) {
- case PROC_PID_INO:
- inode->i_nlink = 4;
- return;
- case PROC_PID_MEM:
- inode->i_op = &proc_mem_inode_operations;
- inode->i_mode = S_IFREG | S_IRUSR | S_IWUSR;
- return;
- case PROC_PID_CWD:
- case PROC_PID_ROOT:
- case PROC_PID_EXE:
- inode->i_op = &proc_link_inode_operations;
- inode->i_size = 64;
- inode->i_mode = S_IFLNK | S_IRWXU;
- return;
- case PROC_PID_FD:
- inode->i_mode = S_IFDIR | S_IRUSR | S_IXUSR;
- inode->i_op = &proc_fd_inode_operations;
- inode->i_nlink = 2;
- return;
- case PROC_PID_ENVIRON:
- inode->i_mode = S_IFREG | S_IRUSR;
- inode->i_op = &proc_array_inode_operations;
- return;
- case PROC_PID_CMDLINE:
- case PROC_PID_STATUS:
- case PROC_PID_STAT:
- case PROC_PID_STATM:
- inode->i_mode = S_IFREG | S_IRUGO;
- inode->i_op = &proc_array_inode_operations;
- return;
- case PROC_PID_MAPS:
- inode->i_mode = S_IFIFO | S_IRUGO;
- inode->i_op = &proc_arraylong_inode_operations;
- return;
}
switch (ino >> 8) {
case PROC_PID_FD_DIR:
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