Re: [RFC PATCH -v4 05/14] fsnotify: unified filesystem notification backend

From: Evgeniy Polyakov
Date: Fri Dec 12 2008 - 21:54:33 EST


Hi.

On Fri, Dec 12, 2008 at 04:51:40PM -0500, Eric Paris (eparis@xxxxxxxxxx) wrote:
> +DEFINE_MUTEX(fsnotify_grp_mutex);
> +struct srcu_struct fsnotify_grp_srcu_struct;
> +LIST_HEAD(fsnotify_groups);
> +__u64 fsnotify_mask;

Those can be static.

> +struct fsnotify_event *fsnotify_create_event(struct inode *to_tell, __u64 mask, void *data, int data_is)
> +{
> + struct fsnotify_event *event;
> +
> + event = kmem_cache_alloc(event_kmem_cache, GFP_KERNEL);
> + if (!event)
> + return NULL;
> +
> + atomic_set(&event->refcnt, 1);
> +
> + spin_lock_init(&event->lock);
> +
> + event->path.dentry = NULL;
> + event->path.mnt = NULL;
> + event->inode = NULL;
> +
> + INIT_LIST_HEAD(&event->private_data_list);
> +
> + event->to_tell = to_tell;

What prevents this inode to be released?

--
Evgeniy Polyakov
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