24 static int dma_buf_cache_destructor(struct dma_buf *dmabuf, void *dtor_data)  in dma_buf_cache_destructor()  argument
29 	mutex_lock(&dmabuf->cache_lock);  in dma_buf_cache_destructor()
31 	data = dmabuf->dtor_data;  in dma_buf_cache_destructor()
39 		dma_buf_detach(dmabuf, cache->attach);  in dma_buf_cache_destructor()
44 	mutex_unlock(&dmabuf->cache_lock);  in dma_buf_cache_destructor()
55 	struct dma_buf *dmabuf = attach->dmabuf;  in dma_buf_cache_get_cache()  local
57 	if (dmabuf->dtor != dma_buf_cache_destructor)  in dma_buf_cache_get_cache()
60 	data = dmabuf->dtor_data;  in dma_buf_cache_get_cache()
70 void dma_buf_cache_detach(struct dma_buf *dmabuf,  in dma_buf_cache_detach()  argument
75 	mutex_lock(&dmabuf->cache_lock);  in dma_buf_cache_detach()
79 		dma_buf_detach(dmabuf, attach);  in dma_buf_cache_detach()
81 	mutex_unlock(&dmabuf->cache_lock);  in dma_buf_cache_detach()
85 struct dma_buf_attachment *dma_buf_cache_attach(struct dma_buf *dmabuf,  in dma_buf_cache_attach()  argument
92 	mutex_lock(&dmabuf->cache_lock);  in dma_buf_cache_attach()
94 	if (!dmabuf->dtor) {  in dma_buf_cache_attach()
101 		dma_buf_set_destructor(dmabuf, dma_buf_cache_destructor, data);  in dma_buf_cache_attach()
104 	if (dmabuf->dtor && dmabuf->dtor != dma_buf_cache_destructor) {  in dma_buf_cache_attach()
105 		attach = dma_buf_attach(dmabuf, dev);  in dma_buf_cache_attach()
109 	data = dmabuf->dtor_data;  in dma_buf_cache_attach()
125 	attach = dma_buf_attach(dmabuf, dev);  in dma_buf_cache_attach()
133 	mutex_unlock(&dmabuf->cache_lock);  in dma_buf_cache_attach()
140 	dma_buf_set_destructor(dmabuf, NULL, NULL);  in dma_buf_cache_attach()
142 	mutex_unlock(&dmabuf->cache_lock);  in dma_buf_cache_attach()
151 	struct dma_buf *dmabuf = attach->dmabuf;  in dma_buf_cache_unmap_attachment()  local
154 	mutex_lock(&dmabuf->cache_lock);  in dma_buf_cache_unmap_attachment()
160 	mutex_unlock(&dmabuf->cache_lock);  in dma_buf_cache_unmap_attachment()
167 	struct dma_buf *dmabuf = attach->dmabuf;  in dma_buf_cache_map_attachment()  local
171 	mutex_lock(&dmabuf->cache_lock);  in dma_buf_cache_map_attachment()
195 	mutex_unlock(&dmabuf->cache_lock);  in dma_buf_cache_map_attachment()