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Gu Zheng authored
Previously, we only offer a single iovec to handle all the read/write cases, so the PREADV/PWRITEV request always need to alloc more iovec buffer when copying user vectors. If we use a tmp iovec array rather than the single one, some small PREADV/PWRITEV workloads(vector size small than the tmp buffer) will not need to alloc more iovec buffer when copying user vectors. Reviewed-by:
Jeff Moyer <jmoyer@redhat.com> Signed-off-by:
Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by:
Benjamin LaHaise <bcrl@kvack.org>
Gu Zheng authoredPreviously, we only offer a single iovec to handle all the read/write cases, so the PREADV/PWRITEV request always need to alloc more iovec buffer when copying user vectors. If we use a tmp iovec array rather than the single one, some small PREADV/PWRITEV workloads(vector size small than the tmp buffer) will not need to alloc more iovec buffer when copying user vectors. Reviewed-by:
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