Orangefs: clean up orangefs_kernel_op_s comments.

	__u64 tag;

	__u64 tag;

	/*

	/*

	 * Set uses_shared_memory to 1 if this operation uses shared memory.

	 * Set uses_shared_memory to non zero if this operation uses

	 * If true, then a retry on the op must also get a new shared memory

	 * shared memory. If true, then a retry on the op must also

	 * buffer and re-populate it.  Cancels don't care - it only matters

	 * get a new shared memory buffer and re-populate it.

	 * for service_operation() retry logics and cancels don't go through

	 * Cancels don't care - it only matters for service_operation()

	 * it anymore.

	 * retry logics and cancels don't go through it anymore. It

	 * safely stays non-zero when we use it as slot_to_free.

	 */

	 */

	union {

	union {

		int uses_shared_memory;

		int uses_shared_memory;

	struct completion waitq;

	struct completion waitq;

	spinlock_t lock;

	spinlock_t lock;

	/* VFS aio fields */

	int attempts;

	int attempts;

	struct list_head list;

	struct list_head list;