Commit acc88da2 authored Jan 22, 2020 by Konrad Sztyber Committed by Tomasz Zawadzki Feb 20, 2020

lib/ftl: use scatter/gather write commands



This will allow the requests to be built from non-consecutive write
buffer entries.

Change-Id: Ifbb26c47ea1f3175e6529dba4b89350de92efe8e
Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/899


Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Wojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Maciej Szczepaniak <maciej.szczepaniak@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

parent f4e42560

lib/ftl/ftl_core.c

+7 −8

Original line number	Diff line number	Diff line
		@@ -1592,14 +1592,13 @@ ftl_submit_child_write(struct ftl_wptr wptr, struct ftl_io io)
		wptr->num_outstanding++;

		if (ftl_is_append_supported(dev)) {
		rc = spdk_bdev_zone_append(dev->base_bdev_desc, ioch->base_ioch,
		ftl_io_iovec_addr(child),
		rc = spdk_bdev_zone_appendv(dev->base_bdev_desc, ioch->base_ioch,
		child->iov, child->iov_cnt,
		ftl_addr_get_zone_slba(dev, addr),
		dev->xfer_size, ftl_io_cmpl_cb, child);
		} else {
		rc = spdk_bdev_write_blocks(dev->base_bdev_desc, ioch->base_ioch,
		ftl_io_iovec_addr(child),
		addr.offset,
		rc = spdk_bdev_writev_blocks(dev->base_bdev_desc, ioch->base_ioch,
		child->iov, child->iov_cnt, addr.offset,
		dev->xfer_size, ftl_io_cmpl_cb, child);
		}