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![Dana Robinson](/users/derobins/avatar.png?s=96&v=1478594316000)
Merge pull request #1515 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:pread_vfd_squash to develop * commit '055208b71c573be3d4b1047b840d4d8b255bc25e': Minor tweak to CMake preadwrite entry. Updated sec2, log, and core VFDs to use pread/pwrite when available (can be controlled via a configure/CMake option)