if (!sbi->catatonic)
autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */
+ put_pid(sbi->oz_pgrp);
+
autofs_hash_nuke(sbi);
for (n = 0; n < AUTOFS_MAX_SYMLINKS; n++) {
if (test_bit(n, sbi->symlink_bitmap))
kill_anon_super(sb);
}
-static void autofs_read_inode(struct inode *inode);
-
static const struct super_operations autofs_sops = {
- .read_inode = autofs_read_inode,
.statfs = simple_statfs,
+ .show_options = generic_show_options,
};
enum {Opt_err, Opt_fd, Opt_uid, Opt_gid, Opt_pgrp, Opt_minproto, Opt_maxproto};
*uid = current->uid;
*gid = current->gid;
- *pgrp = process_group(current);
+ *pgrp = task_pgrp_nr(current);
*minproto = *maxproto = AUTOFS_PROTO_VERSION;
int pipefd;
struct autofs_sb_info *sbi;
int minproto, maxproto;
+ pid_t pgid;
+
+ save_mount_options(s, data);
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
sbi->pipe = NULL;
sbi->catatonic = 1;
sbi->exp_timeout = 0;
- sbi->oz_pgrp = process_group(current);
autofs_initialize_hash(&sbi->dirhash);
sbi->queues = NULL;
memset(sbi->symlink_bitmap, 0, sizeof(long)*AUTOFS_SYMLINK_BITMAP_LEN);
s->s_time_gran = 1;
sbi->sb = s;
- root_inode = iget(s, AUTOFS_ROOT_INO);
+ root_inode = autofs_iget(s, AUTOFS_ROOT_INO);
+ if (IS_ERR(root_inode))
+ goto fail_free;
root = d_alloc_root(root_inode);
pipe = NULL;
/* Can this call block? - WTF cares? s is locked. */
if (parse_options(data, &pipefd, &root_inode->i_uid,
- &root_inode->i_gid, &sbi->oz_pgrp, &minproto,
+ &root_inode->i_gid, &pgid, &minproto,
&maxproto)) {
printk("autofs: called with bogus options\n");
goto fail_dput;
goto fail_dput;
}
- DPRINTK(("autofs: pipe fd = %d, pgrp = %u\n", pipefd, sbi->oz_pgrp));
+ DPRINTK(("autofs: pipe fd = %d, pgrp = %u\n", pipefd, pgid));
+ sbi->oz_pgrp = find_get_pid(pgid);
+
+ if (!sbi->oz_pgrp) {
+ printk("autofs: could not find process group %d\n", pgid);
+ goto fail_dput;
+ }
+
pipe = fget(pipefd);
if (!pipe) {
printk("autofs: could not open pipe file descriptor\n");
- goto fail_dput;
+ goto fail_put_pid;
}
+
if (!pipe->f_op || !pipe->f_op->write)
goto fail_fput;
sbi->pipe = pipe;
fail_fput:
printk("autofs: pipe file descriptor does not contain proper ops\n");
fput(pipe);
+fail_put_pid:
+ put_pid(sbi->oz_pgrp);
fail_dput:
dput(root);
goto fail_free;
return -EINVAL;
}
-static void autofs_read_inode(struct inode *inode)
+struct inode *autofs_iget(struct super_block *sb, unsigned long ino)
{
- ino_t ino = inode->i_ino;
unsigned int n;
- struct autofs_sb_info *sbi = autofs_sbi(inode->i_sb);
+ struct autofs_sb_info *sbi = autofs_sbi(sb);
+ struct inode *inode;
+
+ inode = iget_locked(sb, ino);
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
+ if (!(inode->i_state & I_NEW))
+ return inode;
/* Initialize to the default case (stub directory) */
inode->i_op = &autofs_root_inode_operations;
inode->i_fop = &autofs_root_operations;
inode->i_uid = inode->i_gid = 0; /* Changed in read_super */
- return;
+ goto done;
}
inode->i_uid = inode->i_sb->s_root->d_inode->i_uid;
n = ino - AUTOFS_FIRST_SYMLINK;
if (n >= AUTOFS_MAX_SYMLINKS || !test_bit(n,sbi->symlink_bitmap)) {
printk("autofs: Looking for bad symlink inode %u\n", (unsigned int) ino);
- return;
+ goto done;
}
inode->i_op = &autofs_symlink_inode_operations;
inode->i_size = sl->len;
inode->i_nlink = 1;
}
+
+done:
+ unlock_new_inode(inode);
+ return inode;
}