[PATCH 10/50] mars: add new file drivers/block/mars/brick.c

Thomas Schoebel-Theuer
2014-07-01T21:47:56Z

drivers/block/mars/brick.c | 801 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 801 insertions(+)
create mode 100644 drivers/block/mars/brick.c

diff --git a/drivers/block/mars/brick.c b/drivers/block/mars/brick.c
new file mode 100644
index 0000000..8826a0d
--- /dev/null
+++ b/drivers/block/mars/brick.c
@@ -0,0 +1,801 @@
+/* (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+
+#define _STRATEGY
+
+#include <linux/brick/brick.h>
+#include <linux/brick/brick_mem.h>
+
+/************************************************************/
+
+/* init / exit functions */
+
+void _generic_output_init(struct generic_brick *brick,
+ const struct generic_output_type *type,
+ struct generic_output *output)
+{
+ output->brick = brick;
+ output->type = type;
+ output->ops = type->master_ops;
+ output->nr_connected = 0;
+ INIT_LIST_HEAD(&output->output_head);
+}
+EXPORT_SYMBOL_GPL(_generic_output_init);
+
+void _generic_output_exit(struct generic_output *output)
+{
+ list_del_init(&output->output_head);
+ output->brick = NULL;
+ output->type = NULL;
+ output->ops = NULL;
+ output->nr_connected = 0;
+}
+EXPORT_SYMBOL_GPL(_generic_output_exit);
+
+int generic_brick_init(const struct generic_brick_type *type, struct generic_brick *brick)
+{
+ brick->aspect_context.brick_index = get_brick_nr();
+ brick->type = type;
+ brick->ops = type->master_ops;
+ brick->nr_inputs = 0;
+ brick->nr_outputs = 0;
+ brick->power.off_led = true;
+ init_waitqueue_head(&brick->power.event);
+ INIT_LIST_HEAD(&brick->tmp_head);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_brick_init);
+
+void generic_brick_exit(struct generic_brick *brick)
+{
+ list_del_init(&brick->tmp_head);
+ brick->type = NULL;
+ brick->ops = NULL;
+ brick->nr_inputs = 0;
+ brick->nr_outputs = 0;
+ put_brick_nr(brick->aspect_context.brick_index);
+}
+EXPORT_SYMBOL_GPL(generic_brick_exit);
+
+int generic_input_init(struct generic_brick *brick,
+ int index,
+ const struct generic_input_type *type,
+ struct generic_input *input)
+{
+ if (index < 0 || index >= brick->type->max_inputs)
+ return -EINVAL;
+ if (brick->inputs[index])
+ return -EEXIST;
+ input->brick = brick;
+ input->type = type;
+ input->connect = NULL;
+ INIT_LIST_HEAD(&input->input_head);
+ brick->inputs[index] = input;
+ brick->nr_inputs++;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_input_init);
+
+void generic_input_exit(struct generic_input *input)
+{
+ list_del_init(&input->input_head);
+ input->brick = NULL;
+ input->type = NULL;
+ input->connect = NULL;
+}
+EXPORT_SYMBOL_GPL(generic_input_exit);
+
+int generic_output_init(struct generic_brick *brick,
+ int index,
+ const struct generic_output_type *type,
+ struct generic_output *output)
+{
+ if (index < 0 || index >= brick->type->max_outputs)
+ return -ENOMEM;
+ if (brick->outputs[index])
+ return -EEXIST;
+ _generic_output_init(brick, type, output);
+ brick->outputs[index] = output;
+ brick->nr_outputs++;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_output_init);
+
+int generic_size(const struct generic_brick_type *brick_type)
+{
+ int size = brick_type->brick_size;
+ int i;
+
+ size += brick_type->max_inputs * sizeof(void *);
+ for (i = 0; i < brick_type->max_inputs; i++)
+ size += brick_type->default_input_types[i]->input_size;
+ size += brick_type->max_outputs * sizeof(void *);
+ for (i = 0; i < brick_type->max_outputs; i++)
+ size += brick_type->default_output_types[i]->output_size;
+ return size;
+}
+EXPORT_SYMBOL_GPL(generic_size);
+
+int generic_connect(struct generic_input *input, struct generic_output *output)
+{
+ BRICK_DBG("generic_connect(input=%p, output=%p)\n", input, output);
+ if (unlikely(!input || !output))
+ return -EINVAL;
+ if (unlikely(input->connect))
+ return -EEXIST;
+ if (unlikely(!list_empty(&input->input_head)))
+ return -EINVAL;
+ /* helps only against the most common errors */
+ if (unlikely(input->brick == output->brick))
+ return -EDEADLK;
+
+ input->connect = output;
+ output->nr_connected++;
+ list_add(&input->input_head, &output->output_head);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_connect);
+
+int generic_disconnect(struct generic_input *input)
+{
+ struct generic_output *connect;
+
+ BRICK_DBG("generic_disconnect(input=%p)\n", input);
+ if (!input)
+ return -EINVAL;
+ connect = input->connect;
+ if (connect) {
+ connect->nr_connected--;
+ input->connect = NULL;
+ list_del_init(&input->input_head);
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_disconnect);
+
+/************************************************************/
+
+/* general */
+
+int _brick_msleep(int msecs, bool shorten)
+{
+ unsigned long timeout;
+
+ flush_signals(current);
+ if (msecs <= 0) {
+ schedule();
+ return 0;
+ }
+ timeout = msecs_to_jiffies(msecs) + 1;
+
+ timeout = schedule_timeout_interruptible(timeout);
+
+ if (!shorten) {
+ while ((long)timeout > 0)
+ timeout = schedule_timeout_uninterruptible(timeout);
+ }
+
+ return jiffies_to_msecs(timeout);
+}
+EXPORT_SYMBOL_GPL(_brick_msleep);
+
+struct kthread {
+ unsigned long flags;
+ unsigned int cpu;
+ void *data;
+ struct completion parked;
+ struct completion exited;
+};
+
+enum KTHREAD_BITS {
+ KTHREAD_IS_PER_CPU = 0,
+ KTHREAD_SHOULD_STOP,
+ KTHREAD_SHOULD_PARK,
+ KTHREAD_IS_PARKED,
+};
+
+#define to_kthread(tsk) \
+ container_of((tsk)->vfork_done, struct kthread, exited)
+
+/**
+ * kthread_stop_nowait - like kthread_stop(), but don't wait for termination.
+ * @k: thread created by kthread_create().
+ *
+ * If threadfn() may call do_exit() itself, the caller must ensure
+ * task_struct can't go away.
+ *
+ * Therefore, you must not call this twice (or after kthread_stop()), at least
+ * if you don't get_task_struct() yourself.
+ */
+static struct kthread *task_get_live_kthread(struct task_struct *k)
+{
+ struct kthread *kthread;
+
+ get_task_struct(k);
+ kthread = to_kthread(k);
+ /* It might have exited */
+ barrier();
+ if (k->vfork_done != NULL)
+ return kthread;
+ return NULL;
+}
+
+void kthread_stop_nowait(struct task_struct *k)
+{
+ struct kthread *kthread = task_get_live_kthread(k);
+
+ if (kthread) {
+ set_bit(KTHREAD_SHOULD_STOP, &kthread->flags);
+ clear_bit(KTHREAD_SHOULD_PARK, &kthread->flags);
+ wake_up_process(k);
+ wait_for_completion(&kthread->exited);
+ }
+
+ put_task_struct(k);
+}
+EXPORT_SYMBOL_GPL(kthread_stop_nowait);
+
+void brick_thread_stop_nowait(struct task_struct *k)
+{
+ kthread_stop_nowait(k);
+}
+EXPORT_SYMBOL_GPL(brick_thread_stop_nowait);
+
+/************************************************************/
+
+/* number management */
+
+static char *nr_table;
+int nr_max = 256;
+EXPORT_SYMBOL_GPL(nr_max);
+
+int get_brick_nr(void)
+{
+ char *new;
+ int nr;
+
+ if (unlikely(!nr_table))
+ nr_table = brick_zmem_alloc(nr_max);
+
+ for (;;) {
+ for (nr = 1; nr < nr_max; nr++) {
+ if (!nr_table[nr]) {
+ nr_table[nr] = 1;
+ return nr;
+ }
+ }
+ new = brick_zmem_alloc(nr_max << 1);
+ memcpy(new, nr_table, nr_max);
+ brick_mem_free(nr_table);
+ nr_table = new;
+ nr_max <<= 1;
+ }
+}
+EXPORT_SYMBOL_GPL(get_brick_nr);
+
+void put_brick_nr(int nr)
+{
+ if (likely(nr_table && nr > 0 && nr < nr_max))
+ nr_table[nr] = 0;
+}
+EXPORT_SYMBOL_GPL(put_brick_nr);
+
+/************************************************************/
+
+/* object stuff */
+
+/************************************************************/
+
+/* brick stuff */
+
+static int nr_brick_types;
+static const struct generic_brick_type *brick_types[MAX_BRICK_TYPES];
+
+int generic_register_brick_type(const struct generic_brick_type *new_type)
+{
+ int i;
+ int found = -1;
+
+ BRICK_DBG("generic_register_brick_type() name=%s\n", new_type->type_name);
+ for (i = 0; i < nr_brick_types; i++) {
+ if (!brick_types[i]) {
+ found = i;
+ continue;
+ }
+ if (!strcmp(brick_types[i]->type_name, new_type->type_name))
+ return 0;
+ }
+ if (found < 0) {
+ if (nr_brick_types >= MAX_BRICK_TYPES) {
+ BRICK_ERR("sorry, cannot register bricktype %s.\n", new_type->type_name);
+ return -ENOMEM;
+ }
+ found = nr_brick_types++;
+ }
+ brick_types[found] = new_type;
+ BRICK_DBG("generic_register_brick_type() done.\n");
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_register_brick_type);
+
+int generic_unregister_brick_type(const struct generic_brick_type *old_type)
+{
+ BRICK_DBG("generic_unregister_brick_type()\n");
+ return -1; /* NYI */
+}
+EXPORT_SYMBOL_GPL(generic_unregister_brick_type);
+
+int generic_brick_init_full(
+ void *data,
+ int size,
+ const struct generic_brick_type *brick_type,
+ const struct generic_input_type **input_types,
+ const struct generic_output_type **output_types)
+{
+ struct generic_brick *brick = data;
+ int status;
+ int i;
+
+ if (unlikely(!data)) {
+ BRICK_ERR("invalid memory\n");
+ return -EINVAL;
+ }
+
+ /* call the generic constructors */
+
+ status = generic_brick_init(brick_type, brick);
+ if (status)
+ return status;
+ data += brick_type->brick_size;
+ size -= brick_type->brick_size;
+ if (size < 0) {
+ BRICK_ERR("Not enough MEMORY\n");
+ return -ENOMEM;
+ }
+ if (!input_types) {
+ input_types = brick_type->default_input_types;
+ if (unlikely(!input_types)) {
+ BRICK_ERR("no input types specified\n");
+ return -EINVAL;
+ }
+ }
+ brick->inputs = data;
+ data += sizeof(void *) * brick_type->max_inputs;
+ size -= sizeof(void *) * brick_type->max_inputs;
+ if (size < 0)
+ return -ENOMEM;
+ for (i = 0; i < brick_type->max_inputs; i++) {
+ struct generic_input *input = data;
+ const struct generic_input_type *type = *input_types++;
+
+ if (!type || type->input_size <= 0)
+ return -EINVAL;
+ BRICK_DBG("generic_brick_init_full: calling generic_input_init()\n");
+ status = generic_input_init(brick, i, type, input);
+ if (status < 0)
+ return status;
+ data += type->input_size;
+ size -= type->input_size;
+ if (size < 0)
+ return -ENOMEM;
+ }
+ if (!output_types) {
+ output_types = brick_type->default_output_types;
+ if (unlikely(!output_types)) {
+ BRICK_ERR("no output types specified\n");
+ return -EINVAL;
+ }
+ }
+ brick->outputs = data;
+ data += sizeof(void *) * brick_type->max_outputs;
+ size -= sizeof(void *) * brick_type->max_outputs;
+ if (size < 0)
+ return -ENOMEM;
+ for (i = 0; i < brick_type->max_outputs; i++) {
+ struct generic_output *output = data;
+ const struct generic_output_type *type = *output_types++;
+
+ if (!type || type->output_size <= 0)
+ return -EINVAL;
+ BRICK_DBG("generic_brick_init_full: calling generic_output_init()\n");
+ generic_output_init(brick, i, type, output);
+ if (status < 0)
+ return status;
+ data += type->output_size;
+ size -= type->output_size;
+ if (size < 0)
+ return -ENOMEM;
+ }
+
+ /* call the specific constructors */
+ if (brick_type->brick_construct) {
+ BRICK_DBG("generic_brick_init_full: calling brick_construct()\n");
+ status = brick_type->brick_construct(brick);
+ if (status < 0)
+ return status;
+ }
+ for (i = 0; i < brick_type->max_inputs; i++) {
+ struct generic_input *input = brick->inputs[i];
+
+ if (!input)
+ continue;
+ if (!input->type) {
+ BRICK_ERR("input has no associated type!\n");
+ continue;
+ }
+ if (input->type->input_construct) {
+ BRICK_DBG("generic_brick_init_full: calling input_construct()\n");
+ status = input->type->input_construct(input);
+ if (status < 0)
+ return status;
+ }
+ }
+ for (i = 0; i < brick_type->max_outputs; i++) {
+ struct generic_output *output = brick->outputs[i];
+
+ if (!output)
+ continue;
+ if (!output->type) {
+ BRICK_ERR("output has no associated type!\n");
+ continue;
+ }
+ if (output->type->output_construct) {
+ BRICK_DBG("generic_brick_init_full: calling output_construct()\n");
+ status = output->type->output_construct(output);
+ if (status < 0)
+ return status;
+ }
+ }
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_brick_init_full);
+
+int generic_brick_exit_full(struct generic_brick *brick)
+{
+ int i;
+ int status;
+
+ /* first, check all outputs */
+ for (i = 0; i < brick->type->max_outputs; i++) {
+ struct generic_output *output = brick->outputs[i];
+
+ if (!output)
+ continue;
+ if (!output->type) {
+ BRICK_ERR("output has no associated type!\n");
+ continue;
+ }
+ if (output->nr_connected) {
+ BRICK_ERR("output is connected!\n");
+ return -EPERM;
+ }
+ }
+ /* ok, test succeeded. start destruction... */
+ for (i = 0; i < brick->type->max_outputs; i++) {
+ struct generic_output *output = brick->outputs[i];
+
+ if (!output)
+ continue;
+ if (!output->type) {
+ BRICK_ERR("output has no associated type!\n");
+ continue;
+ }
+ if (output->type->output_destruct) {
+ BRICK_DBG("generic_brick_exit_full: calling output_destruct()\n");
+ status = output->type->output_destruct(output);
+ if (status < 0)
+ return status;
+ _generic_output_exit(output);
+ brick->outputs[i] = NULL; /* others may remain leftover */
+ }
+ }
+ for (i = 0; i < brick->type->max_inputs; i++) {
+ struct generic_input *input = brick->inputs[i];
+
+ if (!input)
+ continue;
+ if (!input->type) {
+ BRICK_ERR("input has no associated type!\n");
+ continue;
+ }
+ if (input->type->input_destruct) {
+ status = generic_disconnect(input);
+ if (status < 0)
+ return status;
+ BRICK_DBG("generic_brick_exit_full: calling input_destruct()\n");
+ status = input->type->input_destruct(input);
+ if (status < 0)
+ return status;
+ brick->inputs[i] = NULL; /* others may remain leftover */
+ generic_input_exit(input);
+ }
+ }
+ if (brick->type->brick_destruct) {
+ BRICK_DBG("generic_brick_exit_full: calling brick_destruct()\n");
+ status = brick->type->brick_destruct(brick);
+ if (status < 0)
+ return status;
+ }
+ generic_brick_exit(brick);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(generic_brick_exit_full);
+
+/**********************************************************************/
+
+/* default implementations */
+
+struct generic_object *generic_alloc(struct generic_object_layout *object_layout,
+ const struct generic_object_type *object_type)
+{
+ struct generic_object *object;
+ void *data;
+ int object_size;
+ int aspect_nr_max;
+ int total_size;
+ int hint_size;
+
+ CHECK_PTR_NULL(object_type, err);
+ CHECK_PTR(object_layout, err);
+
+ object_size = object_type->default_size;
+ aspect_nr_max = nr_max;
+ total_size = object_size + aspect_nr_max * sizeof(void *);
+ hint_size = object_layout->size_hint;
+ if (likely(total_size <= hint_size)) {
+ total_size = hint_size;
+ } else { /* usually happens only at the first time */
+ object_layout->size_hint = total_size;
+ }
+
+ data = brick_zmem_alloc(total_size);
+
+ atomic_inc(&object_layout->alloc_count);
+ atomic_inc(&object_layout->total_alloc_count);
+
+ object = data;
+ object->object_type = object_type;
+ object->object_layout = object_layout;
+ object->aspects = data + object_size;
+ object->aspect_nr_max = aspect_nr_max;
+ object->free_offset = object_size + aspect_nr_max * sizeof(void *);
+ object->max_offset = total_size;
+
+ if (object_type->init_fn) {
+ int status = object_type->init_fn(object);
+
+ if (status < 0)
+ goto err_free;
+ }
+
+ return object;
+
+err_free:
+ brick_mem_free(data);
+err:
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(generic_alloc);
+
+void generic_free(struct generic_object *object)
+{
+ const struct generic_object_type *object_type;
+ struct generic_object_layout *object_layout;
+ int i;
+
+ CHECK_PTR(object, done);
+ object_type = object->object_type;
+ CHECK_PTR_NULL(object_type, done);
+ object_layout = object->object_layout;
+ CHECK_PTR(object_layout, done);
+ _CHECK_ATOMIC(&object->obj_count, !=, 0);
+
+ atomic_dec(&object_layout->alloc_count);
+ for (i = 0; i < object->aspect_nr_max; i++) {
+ const struct generic_aspect_type *aspect_type;
+ struct generic_aspect *aspect = object->aspects[i];
+
+ if (!aspect)
+ continue;
+ object->aspects[i] = NULL;
+ aspect_type = aspect->aspect_type;
+ CHECK_PTR_NULL(aspect_type, done);
+ if (aspect_type->exit_fn)
+ aspect_type->exit_fn(aspect);
+ if (aspect->shortcut)
+ continue;
+ brick_mem_free(aspect);
+ atomic_dec(&object_layout->aspect_count);
+ }
+ if (object_type->exit_fn)
+ object_type->exit_fn(object);
+ brick_mem_free(object);
+done:;
+}
+EXPORT_SYMBOL_GPL(generic_free);
+
+static inline
+struct generic_aspect *_new_aspect(const struct generic_aspect_type *aspect_type, struct generic_object *obj)
+{
+ struct generic_aspect *res = NULL;
+ int size;
+ int rest;
+
+ size = aspect_type->aspect_size;
+ rest = obj->max_offset - obj->free_offset;
+ if (likely(size <= rest)) {
+ /* Optimisation: re-use single memory allocation for both
+ * the object and the new aspect.
+ */
+ res = ((void *)obj) + obj->free_offset;
+ obj->free_offset += size;
+ res->shortcut = true;
+ } else {
+ struct generic_object_layout *object_layout = obj->object_layout;
+
+ CHECK_PTR(object_layout, done);
+ /* Maintain the size hint.
+ * In future, only small aspects should be integrated into
+ * the same memory block, and the hint should not grow larger
+ * than PAGE_SIZE if it was smaller before.
+ */
+ if (size < PAGE_SIZE / 2) {
+ int max;
+
+ max = obj->free_offset + size;
+ /* This is racy, but races won't do any harm because
+ * it is just a hint, not essential.
+ */
+ if ((max < PAGE_SIZE || object_layout->size_hint > PAGE_SIZE) &&
+ object_layout->size_hint < max)
+ object_layout->size_hint = max;
+ }
+
+ res = brick_zmem_alloc(size);
+ atomic_inc(&object_layout->aspect_count);
+ atomic_inc(&object_layout->total_aspect_count);
+ }
+ res->object = obj;
+ res->aspect_type = aspect_type;
+
+ if (aspect_type->init_fn) {
+ int status = aspect_type->init_fn(res);
+
+ if (unlikely(status < 0)) {
+ BRICK_ERR("aspect init %p %p %p status = %d\n", aspect_type, obj, res, status);
+ goto done;
+ }
+ }
+
+done:
+ return res;
+}
+
+struct generic_aspect *generic_get_aspect(struct generic_brick *brick, struct generic_object *obj)
+{
+ struct generic_aspect *res = NULL;
+ int nr;
+
+ CHECK_PTR(brick, done);
+ CHECK_PTR(obj, done);
+
+ nr = brick->aspect_context.brick_index;
+ if (unlikely(nr <= 0 || nr >= obj->aspect_nr_max)) {
+ BRICK_ERR("bad nr = %d\n", nr);
+ goto done;
+ }
+
+ res = obj->aspects[nr];
+ if (!res) {
+ const struct generic_object_type *object_type = obj->object_type;
+ const struct generic_brick_type *brick_type = brick->type;
+ const struct generic_aspect_type *aspect_type;
+ int object_type_nr;
+
+ CHECK_PTR_NULL(object_type, done);
+ CHECK_PTR_NULL(brick_type, done);
+ object_type_nr = object_type->object_type_nr;
+ aspect_type = brick_type->aspect_types[object_type_nr];
+ CHECK_PTR_NULL(aspect_type, done);
+
+ res = _new_aspect(aspect_type, obj);
+
+ obj->aspects[nr] = res;
+ }
+ CHECK_PTR(res, done);
+ CHECK_PTR(res->object, done);
+ _CHECK(res->object == obj, done);
+
+done:
+ return res;
+}
+EXPORT_SYMBOL_GPL(generic_get_aspect);
+
+/***************************************************************/
+
+/* helper stuff */
+
+void set_button(struct generic_switch *sw, bool val, bool force)
+{
+ bool oldval = sw->button;
+
+ sw->force_off |= force;
+ if (sw->force_off)
+ val = false;
+ if (val != oldval) {
+ sw->button = val;
+ wake_up_interruptible(&sw->event);
+ }
+}
+EXPORT_SYMBOL_GPL(set_button);
+
+void set_on_led(struct generic_switch *sw, bool val)
+{
+ bool oldval = sw->on_led;
+
+ if (val != oldval) {
+ sw->on_led = val;
+ wake_up_interruptible(&sw->event);
+ }
+}
+EXPORT_SYMBOL_GPL(set_on_led);
+
+void set_off_led(struct generic_switch *sw, bool val)
+{
+ bool oldval = sw->off_led;
+
+ if (val != oldval) {
+ sw->off_led = val;
+ wake_up_interruptible(&sw->event);
+ }
+}
+EXPORT_SYMBOL_GPL(set_off_led);
+
+void set_button_wait(struct generic_brick *brick, bool val, bool force, int timeout)
+{
+ set_button(&brick->power, val, force);
+ if (brick->ops)
+ (void)brick->ops->brick_switch(brick);
+ if (val)
+ wait_event_interruptible_timeout(brick->power.event, brick->power.on_led, timeout);
+ else
+ wait_event_interruptible_timeout(brick->power.event, brick->power.off_led, timeout);
+}
+EXPORT_SYMBOL_GPL(set_button_wait);
+
+/***************************************************************/
+
+/* meta stuff */
+
+const struct meta *find_meta(const struct meta *meta, const char *field_name)
+{
+ const struct meta *tmp;
+
+ for (tmp = meta; tmp->field_name; tmp++) {
+ if (!strcmp(field_name, tmp->field_name))
+ return tmp;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(find_meta);
+
+/***********************************************************************/
+
+/* module init stuff */
+
+int __init init_brick(void)
+{
+ nr_table = brick_zmem_alloc(nr_max);
+ return 0;
+}
+
+void exit_brick(void)
+{
+ if (nr_table) {
+ brick_mem_free(nr_table);
+ nr_table = NULL;
+ }
+}
--
2.0.0