Commit 25191ba7 authored by Dariusz Stojaczyk's avatar Dariusz Stojaczyk Committed by Jim Harris
Browse files

test/bdevperf: fix arithmetic exception if io_size < block_size 



Don't divide by 0.

Change-Id: Ib7978df1b9361f76c2d720744923e6e7d6c97718
Signed-off-by: default avatarDariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/398584


Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent a54e7e58

test/lib/bdev/bdevperf/bdevperf.c

+10 −0
Original line number Diff line number Diff line
@@ -219,6 +219,16 @@ bdevperf_construct_targets(void) 
		target->current_queue_depth = 0;

		target->offset_in_ios = 0;

		target->io_size_blocks = g_io_size / spdk_bdev_get_block_size(bdev);

		if (target->io_size_blocks == 0) {

			SPDK_ERRLOG("IO size (%d) is bigger than blocksize of bdev %s (%"PRIu32")\n",

				    g_io_size, spdk_bdev_get_name(bdev), spdk_bdev_get_block_size(bdev));

			spdk_bdev_close(target->bdev_desc);

			free(target->name);

			free(target);

			bdev = spdk_bdev_next_leaf(bdev);

			continue;

		}



		target->size_in_ios = spdk_bdev_get_num_blocks(bdev) / target->io_size_blocks;

		align = spdk_bdev_get_buf_align(bdev);

		/*