Git port of the fastwriter bzr repo from https://ufo.kit.edu/ufo

Suren A. Chilingaryan e99ffb4b0b Properly detect /dev/null as raw device and do not set DIRECT flag on raw devices 12 lat temu
.bzrignore a77e7147c1 Initial release 12 lat temu
CMakeLists.txt a77e7147c1 Initial release 12 lat temu
config.h.in a77e7147c1 Initial release 12 lat temu
default.c e99ffb4b0b Properly detect /dev/null as raw device and do not set DIRECT flag on raw devices 12 lat temu
default.h 65a7473f12 Compile-in default api descriptor 12 lat temu
fastwriter.c e99ffb4b0b Properly detect /dev/null as raw device and do not set DIRECT flag on raw devices 12 lat temu
fastwriter.h 2474315881 Just push instead push_chunk 12 lat temu
fastwriter.pc.in a77e7147c1 Initial release 12 lat temu
private.h 9c14774f2b Few synchronization and alignment related fixes 12 lat temu
sysinfo.c e99ffb4b0b Properly detect /dev/null as raw device and do not set DIRECT flag on raw devices 12 lat temu
sysinfo.h e99ffb4b0b Properly detect /dev/null as raw device and do not set DIRECT flag on raw devices 12 lat temu