Since we can't get patches included upstream, I think we should include this one in Gentoo. Please add to the glibc ebuilds.
Created attachment 200878 [details, diff] patch to let glibc know that we have fdatasync syscall Please apply to 2.9_p20081201-r2 and 2.10.x.
This bug report is going to be rolled up into bug 289642. Closing. *** This bug has been marked as a duplicate of bug 289642 ***