tree 108010ba7adaa83aba6db5444b34223bd20926f6
parent 35c474e8c0c6dcbdb10e6065184ed4516228d9dd
author Doug Zongker <dougz@android.com> 1373391286 -0700
committer The Android Automerger <android-build@android.com> 1373412667 -0700

recovery: write partitions more conservatively

Write and verify partitions using write(2) and read(2) rather than the
stdio functions.  Read and write in 4kb blocks.  When writing, fsync()
every 1MB.

Bug: 9602014
Change-Id: Ie98ce38e857786fc0f4ebf36bb5ffc93b41bc96f