From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH 4/5] xfs: use fs netlink interface for ENOSPC conditions Date: Thu, 25 Aug 2011 01:16:31 -0400 Message-ID: <20110825051631.GB1869@infradead.org> References: <1313669906-14931-1-git-send-email-lczerner@redhat.com> <1313669906-14931-5-git-send-email-lczerner@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Christoph Hellwig , xfs@oss.sgi.com To: Lukas Czerner Return-path: Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:53897 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750865Ab1HYFQc (ORCPT ); Thu, 25 Aug 2011 01:16:32 -0400 Content-Disposition: inline In-Reply-To: <1313669906-14931-5-git-send-email-lczerner@redhat.com> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: > xfs_rw_iunlock(ip, iolock); > + if (unlikely(-ENOSPC == ret)) > + fs_nl_send_warning(inode->i_sb->s_dev, FS_NL_ENOSPC_WARN); I'd remove the nl from both the name and the constants. In the end what matters is the warning, and netlink just is an implementation detail. > index 9a72dda..dd167a0 100644 > --- a/fs/xfs/linux-2.6/xfs_super.c > +++ b/fs/xfs/linux-2.6/xfs_super.c > @@ -1731,6 +1731,7 @@ init_xfs_fs(void) > error = register_filesystem(&xfs_fs_type); > if (error) > goto out_sysctl_unregister; > + init_fs_nl_family(); Why do we have to call this from the filesystem? Shouldn't we initialize it once from the VFS? Also any chance you could include the quota netlink warnings into the framework? Any callers is also going to be interestested in quota warnings, not just enospc. Also the xfs project quota code returns ENOSPC if over the project quota and needs to be handled either way. Adding another new category inbetween user/group quotas and plain ENOSPC for it would be nice.