76 static struct mtx sf_buf_lock;  variable
104 	mtx_init(&sf_buf_lock, "sf_buf", NULL, MTX_DEF);  in sf_buf_init()
123 	mtx_lock(&sf_buf_lock);  in sf_buf_alloc()
143 		error = msleep(&sf_buf_freelist, &sf_buf_lock,  in sf_buf_alloc()
163 	mtx_unlock(&sf_buf_lock);  in sf_buf_alloc()
180 	mtx_lock(&sf_buf_lock);  in sf_buf_free()
192 	mtx_unlock(&sf_buf_lock);  in sf_buf_free()
202 	mtx_lock(&sf_buf_lock);  in sf_buf_ref()
205 	mtx_unlock(&sf_buf_lock);  in sf_buf_ref()
219 	mtx_lock(&sf_buf_lock);  in sf_buf_process_page()
223 			mtx_unlock(&sf_buf_lock);  in sf_buf_process_page()
227 	mtx_unlock(&sf_buf_lock);  in sf_buf_process_page()