On 09/18/2011 01:07 AM, Michael Kerrisk wrote:

+
+.BR SEEK_DATA
+and
+.BR SEEK_HOLE
+are nonstandard extensions also present in Solaris.

Looks good to me, but you may also want to link to the proposed wording 
for mandating SEEK_HOLE/SEEK_DATA in the eventual POSIX Issue 8 (POSIX 
2008 is Issue 7):
http://austingroupbugs.net/view.php?id=415

Also, it seems a shame that the kernel can fail with EINVAL instead of 
properly emulating SEEK_HOLE and SEEK_DATA even on file systems with no 
underlying support for reporting holes.

-- 
Eric Blake   eblake-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org    +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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