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Merge pull request #39303 from dillaman/wip-49173

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librbd/io: conditionally disable move optimization

Reviewed-by: Mykola Golub <mgolub@suse.com>
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Mykola Golub 2021-02-06 11:23:45 +02:00 committed by GitHub
commit 7bafcfbb01
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1 changed files with 2 additions and 1 deletions
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src/librbd/io/ImageRequest.cc
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@ -527,7 +527,8 @@ ObjectDispatchSpec *ImageWriteRequest<I>::create_object_request(
I &image_ctx = this->m_image_ctx;
bufferlist bl;
if (single_extent && object_extent.buffer_extents.size() == 1) {
if (single_extent && object_extent.buffer_extents.size() == 1 &&
m_bl.length() == object_extent.length) {
// optimization for single object/buffer extent writes
bl = std::move(m_bl);
} else {