The following commit should be backported to 2.15 branch: commit fb59b3a4f54777652dc877a1df0fcc009b741d87 Author: David S. Miller <davem@davemloft.net> Date: Thu Feb 16 14:56:54 2012 -0800 Add O_FSYNC define to sparc just like other platforms.
Backported to 2.15.