test/bdevperf: fix arithmetic exception if io_size < block_size
Don't divide by 0. Change-Id: Ib7978df1b9361f76c2d720744923e6e7d6c97718 Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com> Reviewed-on: https://review.gerrithub.io/398584 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
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@ -219,6 +219,16 @@ bdevperf_construct_targets(void)
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target->current_queue_depth = 0;
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target->offset_in_ios = 0;
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target->io_size_blocks = g_io_size / spdk_bdev_get_block_size(bdev);
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if (target->io_size_blocks == 0) {
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SPDK_ERRLOG("IO size (%d) is bigger than blocksize of bdev %s (%"PRIu32")\n",
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g_io_size, spdk_bdev_get_name(bdev), spdk_bdev_get_block_size(bdev));
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spdk_bdev_close(target->bdev_desc);
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free(target->name);
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free(target);
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bdev = spdk_bdev_next_leaf(bdev);
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continue;
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}
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target->size_in_ios = spdk_bdev_get_num_blocks(bdev) / target->io_size_blocks;
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align = spdk_bdev_get_buf_align(bdev);
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/*
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