From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35597) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cjrvz-0004Wj-BT for qemu-devel@nongnu.org; Fri, 03 Mar 2017 13:28:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cjrvw-0005HV-8S for qemu-devel@nongnu.org; Fri, 03 Mar 2017 13:28:07 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45804) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cjrvw-0005H3-0h for qemu-devel@nongnu.org; Fri, 03 Mar 2017 13:28:04 -0500 References: <8FB6923C-8F97-497C-95DC-6F2D937725BC@gmail.com> <20170303164426.42472535@bahia.lan> <20170303162128.GD13631@redhat.com> <20170303174353.676c1a7b@bahia.lan> <20170303191524.048b2d1f@bahia.lan> From: Eric Blake Message-ID: <10a63c3b-26d7-998c-4dcc-c162f144e8b7@redhat.com> Date: Fri, 3 Mar 2017 12:28:01 -0600 MIME-Version: 1.0 In-Reply-To: <20170303191524.048b2d1f@bahia.lan> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ffhBejd3QB6RSAf7dxklAHe328qWRFNLf" Subject: Re: [Qemu-devel] git master build failure in 9pfs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Greg Kurz Cc: "Daniel P. Berrange" , G 3 , Mark Cave-Ayland , qemu-devel qemu-devel This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --ffhBejd3QB6RSAf7dxklAHe328qWRFNLf From: Eric Blake To: Greg Kurz Cc: "Daniel P. Berrange" , G 3 , Mark Cave-Ayland , qemu-devel qemu-devel Message-ID: <10a63c3b-26d7-998c-4dcc-c162f144e8b7@redhat.com> Subject: Re: [Qemu-devel] git master build failure in 9pfs References: <8FB6923C-8F97-497C-95DC-6F2D937725BC@gmail.com> <20170303164426.42472535@bahia.lan> <20170303162128.GD13631@redhat.com> <20170303174353.676c1a7b@bahia.lan> <20170303191524.048b2d1f@bahia.lan> In-Reply-To: <20170303191524.048b2d1f@bahia.lan> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 03/03/2017 12:15 PM, Greg Kurz wrote: >=20 > O_PATH | O_NOFOLLOW is a special case as described in the last paragrap= h > of O_PATH in the man page: >=20 > If pathname is a symbolic link and the O_NOFOLLOW flag = is also > specified, then the call returns a file descriptor referr= ing to > the symbolic link. This file descriptor can be used= as the > dirfd argument in calls to fchownat(2), fstatat(2), lin= kat(2), > and readlinkat(2) with an empty pathname to have the call= s oper=E2=80=90 > ate on the symbolic link. Only when coupled with AT_EMPTY_PATHNAME. Without that additional flag, then it must be a directory. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --ffhBejd3QB6RSAf7dxklAHe328qWRFNLf Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJYubWxAAoJEKeha0olJ0NqLNIH/1i9YTV0rLxC/KKjujKYra+4 cAJXTjChBN71Wb1ZFgOar1uYpH+s+LigwoQDvtRPaSTEeSlJESGCFyRZSj8yx+vg CF6kD6iV/VOH+pvvKbFBbCNXGFT/FGC3nud8J3UTR82LtZVG9jiLhMeTgz/TOuQ0 HAM3QKur0BVW81Wi4o+pawcl02j/UL+4fwLpMN1BxDMxqHecdOhsb9VS+yJDe6A/ 0qpi0/wu/QQySvsyQVYvHfZ26PrdjIr6LCrSyVqyA14etY7d/XTV0lpfOyKQiRXl pyNrdVWKLOnIx+IO5jksxjukkyt+Yji7kaQuCqSSr9XqqCtHY61aEP51/9L4H3k= =4fAC -----END PGP SIGNATURE----- --ffhBejd3QB6RSAf7dxklAHe328qWRFNLf--