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infra: introduce aspect_context stage 2

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This commit is contained in:
Thomas Schoebel-Theuer 2014-04-03 12:33:12 +02:00 committed by Thomas Schoebel-Theuer
parent 6431cc9a7f
commit 87eb7d30bb
1 changed files with 16 additions and 14 deletions
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30
kernel/brick.c
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@ -578,23 +578,13 @@ done: ;
}
EXPORT_SYMBOL_GPL(generic_free);
static
struct generic_aspect *_new_aspect(struct generic_brick *brick, struct generic_object *obj)
static inline
struct generic_aspect *_new_aspect(const struct generic_aspect_type *aspect_type, struct generic_object *obj)
{
struct generic_aspect *res = NULL;
const struct generic_brick_type *brick_type = brick->type;
const struct generic_object_type *object_type;
const struct generic_aspect_type *aspect_type;
int object_type_nr;
int size;
int rest;
object_type = obj->object_type;
CHECK_PTR_NULL(object_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);
size = aspect_type->aspect_size;
rest = obj->max_offset - obj->free_offset;
if (likely(size <= rest)) {
@ -633,7 +623,7 @@ struct generic_aspect *_new_aspect(struct generic_brick *brick, struct generic_o
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", brick, obj, res, status);
BRICK_ERR("aspect init %p %p %p status = %d\n", aspect_type, obj, res, status);
goto done;
}
}
@ -658,7 +648,19 @@ struct generic_aspect *generic_get_aspect(struct generic_brick *brick, struct ge
res = obj->aspects[nr];
if (!res) {
res = _new_aspect(brick, obj);
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);