About: http://webisa.webdatacommons.org/24792336

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	To get direct IO on darwin, one can use fcntl(fd, F_NOCACHE, 1); Below is a patch to e2fsprogs to use fcntl() on system that do not define O_DIRECT and have F_NOCACHE defined.
http://www.w3.org/ns/prov#wasQuotedFrom	openwrt.org