From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o09M25Sa204916 for ; Sat, 9 Jan 2010 16:02:05 -0600 Received: from mail.SerNet.de (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 8577E1C3EA0E for ; Sat, 9 Jan 2010 14:02:57 -0800 (PST) Received: from mail.SerNet.de (mail.SerNet.de [193.175.80.2]) by cuda.sgi.com with ESMTP id JOYbyyVb4pIHtjlh for ; Sat, 09 Jan 2010 14:02:57 -0800 (PST) Received: from intern.SerNet.DE by mail.SerNet.DE with esmtp (Exim 4.63 #1) for xfs@oss.sgi.com id 1NTjOZ-00045W-Sm; Sat, 09 Jan 2010 23:02:55 +0100 Received: from bjacke by pell.sernet.de with local (Exim 4.69) (envelope-from ) id 1NTjOV-0004oI-H9 for xfs@oss.sgi.com; Sat, 09 Jan 2010 23:02:51 +0100 Date: Sat, 9 Jan 2010 23:02:51 +0100 From: =?iso-8859-1?Q?Bj=F6rn?= JACKE Subject: library to speed up posix_fallocate for XFS MIME-Version: 1.0 Message-Id: List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2085746635492730077==" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com --===============2085746635492730077== Content-Type: multipart/signed; micalg=pgp-ripemd160; protocol="application/pgp-signature"; boundary="82I3+IH0IqGh5yIs" Content-Disposition: inline --82I3+IH0IqGh5yIs Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, some of you might be interested in this little LD_PRELOAD'able library, whi= ch makes posix_fallocate() use XFS' unwritten extents via xfsctl: http://repo.or.cz/w/libposix_fallocate_xfs.git You won't need this if you have Kernel 2.6.25 and glibc 2.10 - in that case kernel, glibc and filesystem work well together. If you don't have such an up-to-date system libposix_fallocate_xfs can help you to improve this call.= It works exactly like posix_fallocate() should do but it maps that funktion to much more efficient code adapted for XFS. Cheers Bj=F6rn --82I3+IH0IqGh5yIs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (GNU/Linux) iEYEAREDAAYFAktI/QsACgkQdoo0s+hIejls/QCg21flioD5LfJWNneF5KkXoHRh m2gAnizx3zHhxstyIknBOhyGJx2aeVGX =pheo -----END PGP SIGNATURE----- --82I3+IH0IqGh5yIs-- --===============2085746635492730077== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs --===============2085746635492730077==--