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Merge pull request #5025 from majianpeng/librbd-remove-iohint

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librbd: If objectmap tell object exist, don't send alloc_hint w/ write command

Reviewed-by: Josh Durgin <jdurgin@redhat.com>
This commit is contained in:
Josh Durgin 2015-06-19 00:03:26 -07:00
commit a2ef5e431a
1 changed files with 1 additions and 1 deletions
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2
src/librbd/AioRequest.cc
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@ -506,7 +506,7 @@ namespace librbd {
}
void AioWrite::add_write_ops(librados::ObjectWriteOperation *wr) {
if (m_ictx->enable_alloc_hint)
if (m_ictx->enable_alloc_hint && !m_ictx->object_map.object_may_exist(m_object_no))
wr->set_alloc_hint(m_ictx->get_object_size(), m_ictx->get_object_size());
wr->write(m_object_off, m_write_data);
wr->set_op_flags2(m_op_flags);