size_t subbufs_consumed; /* count of sub-buffers consumed */
struct rchan *chan; /* associated channel */
wait_queue_head_t read_wait; /* reader wait queue */
- struct work_struct wake_readers; /* reader wake-up work struct */
+ struct delayed_work wake_readers; /* reader wake-up work struct */
struct dentry *dentry; /* channel file dentry */
struct kref kref; /* channel buffer refcount */
struct page **page_array; /* array of current buffer pages */