From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp2120.oracle.com ([141.146.126.78]:44556 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726748AbeJCWHC (ORCPT ); Wed, 3 Oct 2018 18:07:02 -0400 Date: Wed, 3 Oct 2018 08:18:08 -0700 From: "Darrick J. Wong" Subject: Re: [PATCH 1/2] xfs: Fix xqmstats offsets in /proc/fs/xfs/xqmstat Message-ID: <20181003151808.GG19324@magnolia> References: <20181003123537.30965-1-cmaiolino@redhat.com> <20181003123537.30965-2-cmaiolino@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181003123537.30965-2-cmaiolino@redhat.com> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: Carlos Maiolino Cc: linux-xfs@vger.kernel.org On Wed, Oct 03, 2018 at 02:35:36PM +0200, Carlos Maiolino wrote: > The addition of FIBT, RMAP and REFCOUNT changed the offsets into > __xfssats structure. > > Although this didn't cause any direct issue, xqmstat_proc_show() relied > on the old offsets to display the xqm statistics. > > Fix it. > > Signed-off-by: Carlos Maiolino > --- > fs/xfs/xfs_stats.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c > index 4e4423153071..740ac9674848 100644 > --- a/fs/xfs/xfs_stats.c > +++ b/fs/xfs/xfs_stats.c > @@ -119,7 +119,7 @@ static int xqmstat_proc_show(struct seq_file *m, void *v) > int j; > > seq_printf(m, "qm"); > - for (j = XFSSTAT_END_IBT_V2; j < XFSSTAT_END_XQMSTAT; j++) > + for (j = XFSSTAT_END_REFCOUNT; j < XFSSTAT_END_XQMSTAT; j++) /me totally missed that when I was writing reflink, sorry. :( Can we have a: #define XFSSTAT_START_XQMSTAT (XFSSTAT_END_REFCOUNT) in xfs_stats.h right above the XFSSTAT_END_XQMSTAT definition so that future authors don't have to remember that some code use _END_REFCOUNT to mean "start of next thing"? --D > seq_printf(m, " %u", counter_val(xfsstats.xs_stats, j)); > seq_putc(m, '\n'); > return 0; > -- > 2.17.1 >