io: add copy_bidirectional_with_sizes
#6500
Merged
+54
−8
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Motivation
copy_bidirectional
uses 8Kb buffers under the hood, which isn't configurable.Solution
New method
copy_bidirectional_with_sizes
were added which but accepts thea
->b
andb
->a
buffers sizes. This way, a user can pass the desire buffers sizes.I extracted common
copy_bidirectional
logic intocopy_bidirectional_impl
whichcopy_bidirectional
andcopy_bidirectional_with_sizes
uses.Fixes: #6454.
Refs: #3572.