예제 #1
0
파일: vnode.c 프로젝트: xricson/knoppix
/*
 * finish off updating the recorded status of a file
 * - starts callback expiry timer
 * - adds to server's callback list
 */
void afs_vnode_finalise_status_update(afs_vnode_t *vnode, afs_server_t *server, int ret)
{
	afs_server_t *oldserver = NULL;

	_enter("%p,%p,%d",vnode,server,ret);

	spin_lock(&vnode->lock);

	vnode->flags &= ~AFS_VNODE_CHANGED;

	if (ret==0) {
		/* adjust the callback timeout appropriately */
		afs_kafstimod_add_timer(&vnode->cb_timeout,vnode->cb_expiry*HZ);

		spin_lock(&afs_cb_hash_lock);
		list_del(&vnode->cb_hash_link);
		list_add_tail(&vnode->cb_hash_link,&afs_cb_hash(server,&vnode->fid));
		spin_unlock(&afs_cb_hash_lock);

		/* swap ref to old callback server with that for new callback server */
		oldserver = xchg(&vnode->cb_server,server);
		if (oldserver!=server) {
			if (oldserver) {
				spin_lock(&oldserver->cb_lock);
				list_del_init(&vnode->cb_link);
				spin_unlock(&oldserver->cb_lock);
			}

			afs_get_server(server);
			spin_lock(&server->cb_lock);
			list_add_tail(&vnode->cb_link,&server->cb_promises);
			spin_unlock(&server->cb_lock);
		}
		else {
			/* same server */
			oldserver = NULL;
		}
	}
	else if (ret==-ENOENT) {
		/* the file was deleted - clear the callback timeout */
		oldserver = xchg(&vnode->cb_server,NULL);
		afs_kafstimod_del_timer(&vnode->cb_timeout);

		_debug("got NOENT from server - marking file deleted");
		vnode->flags |= AFS_VNODE_DELETED;
	}

	vnode->update_cnt--;

	spin_unlock(&vnode->lock);

	wake_up_all(&vnode->update_waitq);

	afs_put_server(oldserver);

	_leave("");

} /* end afs_vnode_finalise_status_update() */
예제 #2
0
/*
 * handle mountpoint expiry timer going off
 */
static void afs_mntpt_expiry_timed_out(struct afs_timer *timer)
{
	kenter("");

	mark_mounts_for_expiry(&afs_vfsmounts);

	afs_kafstimod_add_timer(&afs_mntpt_expiry_timer,
				afs_mntpt_expiry_timeout * HZ);

	kleave("");
} /* end afs_mntpt_expiry_timed_out() */