tree 5490f2deff1900d558ace95a929dd3116671e111
parent 3edbf1facdf0d5a9fcc1928a6fba0caaf1024d50
author Andrew Jeffery <andrew@aj.id.au> 1580186293 +1030
committer Andrew Jeffery <andrew@aj.id.au> 1580272111 +1030

vpnor: Avoid mmap() due to lack of support on some filesystems

JFFS2 does not support writable mappings. Switch to read()/write() and
add all the failure handling to ensure we get the required semantics.

Change-Id: I5ec547bf7a01a389cf8f1403f748026fe6bb21fa
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>