C++ (Cpp) autofs_catatonic_mode Examples

Example #1

File: root.c Project: flwh/Alcatel_OT_985_kernel

static int autofs_root_ioctl(struct inode *inode, struct file *filp,
			     unsigned int cmd, unsigned long arg)
{
	struct autofs_sb_info *sbi = autofs_sbi(inode->i_sb);
	void __user *argp = (void __user *)arg;

	DPRINTK(("autofs_ioctl: cmd = 0x%08x, arg = 0x%08lx, sbi = %p, pgrp = %u\n",cmd,arg,sbi,task_pgrp_nr(current)));

	if (_IOC_TYPE(cmd) != _IOC_TYPE(AUTOFS_IOC_FIRST) ||
	     _IOC_NR(cmd) - _IOC_NR(AUTOFS_IOC_FIRST) >= AUTOFS_IOC_COUNT)
		return -ENOTTY;
	
	if (!autofs_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
		return -EPERM;
	
	switch(cmd) {
	case AUTOFS_IOC_READY:	/* Wait queue: go ahead and retry */
		return autofs_wait_release(sbi,(autofs_wqt_t)arg,0);
	case AUTOFS_IOC_FAIL:	/* Wait queue: fail with ENOENT */
		return autofs_wait_release(sbi,(autofs_wqt_t)arg,-ENOENT);
	case AUTOFS_IOC_CATATONIC: /* Enter catatonic mode (daemon shutdown) */
		autofs_catatonic_mode(sbi);
		return 0;
	case AUTOFS_IOC_PROTOVER: /* Get protocol version */
		return autofs_get_protover(argp);
	case AUTOFS_IOC_SETTIMEOUT:
		return autofs_get_set_timeout(sbi, argp);
	case AUTOFS_IOC_EXPIRE:
		return autofs_expire_run(inode->i_sb, sbi, filp->f_path.mnt,
					 argp);
	default:
		return -ENOSYS;
	}
}

Example #2

File: inode.c Project: 3sOx/asuswrt-merlin

void autofs_kill_sb(struct super_block *sb)
{
	struct autofs_sb_info *sbi = autofs_sbi(sb);
	unsigned int n;

	/*
	 * In the event of a failure in get_sb_nodev the superblock
	 * info is not present so nothing else has been setup, so
	 * just call kill_anon_super when we are called from
	 * deactivate_super.
	 */
	if (!sbi)
		goto out_kill_sb;

	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))
			kfree(sbi->symlink[n].data);
	}

	kfree(sb->s_fs_info);

out_kill_sb:
	DPRINTK(("autofs: shutting down\n"));
	kill_anon_super(sb);
}

Example #3

File: dev-ioctl.c Project: avagin/linux

/*
 * Make the autofs mount point catatonic, no longer responsive to
 * mount requests. Also closes the kernel pipe file descriptor.
 */
static int autofs_dev_ioctl_catatonic(struct file *fp,
				      struct autofs_sb_info *sbi,
				      struct autofs_dev_ioctl *param)
{
	autofs_catatonic_mode(sbi);
	return 0;
}

Example #4

File: inode.c Project: rohsaini/mkunity

static void autofs_put_super(struct super_block *sb)
{
	struct autofs_sb_info *sbi =
		(struct autofs_sb_info *) sb->u.generic_sbp;
	unsigned int n;

	if ( !sbi->catatonic )
		autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */

        lock_super(sb);
	autofs_hash_nuke(&sbi->dirhash);
	for ( n = 0 ; n < AUTOFS_MAX_SYMLINKS ; n++ ) {
		if ( test_bit(n, sbi->symlink_bitmap) )
			kfree(sbi->symlink[n].data);
	}

        sb->s_dev = 0;
	kfree(sb->u.generic_sbp);
        unlock_super(sb);

	DPRINTK(("autofs: shutting down\n"));
	
#ifdef MODULE
	MOD_DEC_USE_COUNT;
#endif
}

Example #5

File: inode.c Project: GodFox/magx_kernel_xpixl

static void autofs_put_super(struct super_block *sb)
{
	struct autofs_sb_info *sbi = autofs_sbi(sb);
	unsigned int n;

	if ( !sbi->catatonic )
		autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */

	autofs_hash_nuke(&sbi->dirhash);
	for ( n = 0 ; n < AUTOFS_MAX_SYMLINKS ; n++ ) {
		if ( test_bit(n, sbi->symlink_bitmap) )
			kfree(sbi->symlink[n].data);
	}

	kfree(sb->s_fs_info);

	DPRINTK(("autofs: shutting down\n"));
}

Example #6

File: waitq.c Project: 3sOx/asuswrt-merlin

static void autofs_notify_daemon(struct autofs_sb_info *sbi, struct autofs_wait_queue *wq)
{
	struct autofs_packet_missing pkt;

	DPRINTK(("autofs_wait: wait id = 0x%08lx, name = ", wq->wait_queue_token));
	autofs_say(wq->name,wq->len);

	memset(&pkt,0,sizeof pkt); /* For security reasons */

	pkt.hdr.proto_version = AUTOFS_PROTO_VERSION;
	pkt.hdr.type = autofs_ptype_missing;
	pkt.wait_queue_token = wq->wait_queue_token;
	pkt.len = wq->len;
        memcpy(pkt.name, wq->name, pkt.len);
	pkt.name[pkt.len] = '\0';

	if ( autofs_write(sbi->pipe,&pkt,sizeof(struct autofs_packet_missing)) )
		autofs_catatonic_mode(sbi);
}

Example #7

File: inode.c Project: multipath-tcp/mptcp_net-next

void autofs_kill_sb(struct super_block *sb)
{
	struct autofs_sb_info *sbi = autofs_sbi(sb);

	/*
	 * In the event of a failure in get_sb_nodev the superblock
	 * info is not present so nothing else has been setup, so
	 * just call kill_anon_super when we are called from
	 * deactivate_super.
	 */
	if (sbi) {
		/* Free wait queues, close pipe */
		autofs_catatonic_mode(sbi);
		put_pid(sbi->oz_pgrp);
	}

	pr_debug("shutting down\n");
	kill_litter_super(sb);
	if (sbi)
		kfree_rcu(sbi, rcu);
}