Lines Matching defs:region

21 	if (md->region) {
22 		if (md->region->mirror_type != FTL_LAYOUT_REGION_TYPE_INVALID) {
34 		return md->dev->layout.md[md->region->mirror_type];
279 			     const struct ftl_layout_region *region)
308 	if (region) {
309 		size_t entry_vss_buf_size = vss_blksz * region->entry_size;
320 		ftl_md_set_region(md, region);
325 	ftl_md_destroy(md, ftl_md_destroy_region_flags(dev, region->type));
400 union ftl_md_vss *ftl_md_vss_buf_alloc(struct ftl_layout_region *region, uint32_t count)
411 	vss_buf.version.md_version = region->current.version;
535 	const struct ftl_layout_region *region = md->region;
543 		rc = read_blocks(md->dev, region->bdev_desc, region->ioch,
550 		rc = write_blocks(md->dev, region->bdev_desc, region->ioch,
561 			struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(region->bdev_desc);
565 			spdk_bdev_queue_io_wait(bdev, region->ioch, &md->io.bdev_io_wait);
605 	if (!md->region) {
606 		/* No device region to process data */
610 	if (md->region->current.blocks > md->data_blocks) {
611 		/* No device region to process data */
613 			   "device region\n");
623 	const struct ftl_layout_region *region = md->region;
634 	if (md->vss_data || md->region->vss_blksz) {
645 	md->io.address = region->current.offset;
646 	md->io.remaining = region->current.blocks;
671 	return md->region->current.offset + start_entry * md->region->entry_size;
702 	rc = write_blocks(md->dev, md->region->bdev_desc, md->region->ioch,
704 			  persist_entry_lba(md, ctx->start_entry), md->region->entry_size * ctx->num_entries,
708 			struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(md->region->bdev_desc);
712 			spdk_bdev_queue_io_wait(bdev, md->region->ioch, &ctx->bdev_io_wait);
740 		assert(md->region->entry_size == (ftl_md_get_mirror(md))->region->entry_size);
754 	/* First execute an IO to the primary region */
763 	if (spdk_unlikely(0 == md->region->entry_size)) {
767 	if (spdk_unlikely(start_entry + num_entries > md->region->num_entries)) {
820 	rc = read_blocks(md->dev, md->region->bdev_desc, md->region->ioch,
822 			 persist_entry_lba(md, ctx->start_entry), md->region->entry_size,
827 			struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(md->region->bdev_desc);
831 			spdk_bdev_queue_io_wait(bdev, md->region->ioch, &ctx->bdev_io_wait);
851 	if (spdk_unlikely(0 == md->region->entry_size)) {
957 		/* Failed to read MD from primary region, try it from mirror.
959 		 * feature we can restore from primary and mirror region
1008 		/* The MD instance may be destroyed in ctx of md->cb(), e.g. upon region upgrade. */
1042 			vss.version.md_version = md->region->current.version;
1078 		/* Configure the IO for the primary region now */
1098 	return md->region;
1103 		  const struct ftl_layout_region *region)
1105 	assert(region->current.blocks <= md->data_blocks);
1106 	md->region = region;
1110 		vss.version.md_version = region->current.version;
1112 		if (region->entry_size) {
1114 			ftl_md_vss_buf_init(md->entry_vss_dma_buf, region->entry_size, &vss);