Lines Matching full:blk

61 MODULE_PARM_DESC(shared_backend, "Enable the shared backend between virtio-blk devices");
67 static void vdpasim_blk_buffer_lock(struct vdpasim_blk *blk)
69 	if (blk->shared_backend)
73 static void vdpasim_blk_buffer_unlock(struct vdpasim_blk *blk)
75 	if (blk->shared_backend)
112 	struct vdpasim_blk *blk = sim_to_blk(vdpasim);
178 		vdpasim_blk_buffer_lock(blk);
180 					      blk->buffer + offset, to_push);
181 		vdpasim_blk_buffer_unlock(blk);
201 		vdpasim_blk_buffer_lock(blk);
203 					      blk->buffer + offset, to_pull);
204 		vdpasim_blk_buffer_unlock(blk);
284 			vdpasim_blk_buffer_lock(blk);
285 			memset(blk->buffer + offset, 0,
287 			vdpasim_blk_buffer_unlock(blk);
394 	struct vdpasim_blk *blk = sim_to_blk(vdpasim);
396 	if (!blk->shared_backend)
397 		kvfree(blk->buffer);
413 	struct vdpasim_blk *blk;
434 	blk = sim_to_blk(simdev);
435 	blk->shared_backend = shared_backend;
437 	if (blk->shared_backend) {
438 		blk->buffer = shared_buffer;
440 		blk->buffer = kvzalloc(VDPASIM_BLK_CAPACITY << SECTOR_SHIFT,
442 		if (!blk->buffer) {