tree 7d936487a21df9107a8a5c7ade999fb25ad4c4ab
parent 602c4ebd393845f3388aea6ecb0c620580a7f332
author Doug Zongker <dougz@android.com> 1373402095 -0700
committer Doug Zongker <dougz@android.com> 1373402095 -0700

recovery: preserve recovery logs across cache wipes

When doing a cache wipe or a factory reset (which includes a cache
wipe), save any last* log files in the /cache/recovery directory and
write them back after reformatting the partition, so that wiping data
doesn't lose useful log information.

Change-Id: I1f52ae9131760b5e752e136645c19f71b7b166ee