From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from extserver1.prnet.org ([195.46.254.69]:52112 "EHLO extserver1.prnet.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753370Ab2KYUPT (ORCPT ); Sun, 25 Nov 2012 15:15:19 -0500 Message-ID: <50B27C4A.7040702@prnet.org> Date: Sun, 25 Nov 2012 21:15:06 +0100 From: David Arendt MIME-Version: 1.0 To: bo.li.liu@oracle.com CC: linux-btrfs@vger.kernel.org Subject: Re: extended attributes wiredness References: <50AFB620.6040707@prnet.org> <2925363.jTFvA7mLni@vfr> <50AFE5FC.7040304@prnet.org> <20121124033910.GA5680@gmail.com> In-Reply-To: <20121124033910.GA5680@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi, I have made some more tests: ./testxattr /u00/root.20121121.210102.full/var/lib/nfs/sm processing file /u00/root.20121121.210102.full/var/lib/nfs/sm processing attribute system.posix_acl_default lgetxattr failed: No data available getfattr /u00/root.20121121.210102.full/var/lib/nfs/sm (no result) setfattr -x system.posix_acl_default /u00/root.20121121.210102.full/var/lib/nfs/sm testxattr /u00/root.20121121.210102.full/var/lib/nfs/sm processing file /u00/root.20121121.210102.full/var/lib/nfs/sm processing attribute system.posix_acl_access setfattr -x system.posix_acl_access /u00/root.20121121.210102.full/var/lib/nfs/sm ./testxattr /u00/root.20121121.210102.full/var/lib/nfs/sm processing file /u00/root.20121121.210102.full/var/lib/nfs/sm Now a test with a manually set attribute: setfattr -n user.testattribute -v testvalue /u00/root.20121121.210102.full/var/lib/nfs/sm getfattr /u00/root.20121121.210102.full/var/lib/nfs/sm getfattr: Removing leading '/' from absolute path names # file: u00/root.20121121.210102.full/var/lib/nfs/sm user.testattribute ./testxattr /u00/root.20121121.210102.full/var/lib/nfs/smprocessing file /u00/root.20121121.210102.full/var/lib/nfs/sm processing attribute user.testattribute value testvalue Thanks in advance, David Arendt On 11/24/12 04:39, Liu Bo wrote: > On Fri, Nov 23, 2012 at 10:09:16PM +0100, David Arendt wrote: >> Well, this is only code to demonstrate the problem, the ; is normally a >> silly mistake, but for my test case valuelen is < 0 so, the ; doesn't >> change anything. With this corrected, the problem stays the same. >> >> On 11/23/12 21:43, Garry T. Williams wrote: >>> On Friday, November 23, 2012 18:45:04 David Arendt wrote: >>>> for (i = 0; i < attrslen; i+= strlen(&attrs[i]) + 1) >>>> { >>>> printf("processing attribute %s\n", &attrs[i]); >>>> >>>> valuelen = lgetxattr(argv[1], &attrs[i], value, 1024); >>>> >>>> if (valuelen < 0); >>> Hmmm ----------------^ > Hi David, > > Any dmesg output for this? > > thanks, > liubo > >>> >>> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html