On 09/19/2011 10:57 AM, Eric Blake wrote:

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

quoted

+
+.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.

Why do you say that? If I am reading generic_file_llseek_unlocked()
correctly, the default behavior is treat offset < i_size as data.
--
To unsubscribe from this list: send the line "unsubscribe linux-man" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html