Message ID | 159078977780.679399.6918426082550606601.stgit@warthog.procyon.org.uk (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=JhQS=7L=vger.kernel.org=linux-fsdevel-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 58F6790 for <patchwork-linux-fsdevel@patchwork.kernel.org>; Fri, 29 May 2020 22:03:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 269FF20810 for <patchwork-linux-fsdevel@patchwork.kernel.org>; Fri, 29 May 2020 22:03:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OgVPoba3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728451AbgE2WDK (ORCPT <rfc822;patchwork-linux-fsdevel@patchwork.kernel.org>); Fri, 29 May 2020 18:03:10 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:24871 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728739AbgE2WDD (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>); Fri, 29 May 2020 18:03:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590789782; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=g/aI4LSwmo2x3NIsjNt6okyTDEvgfAxH61DZvBADxec=; b=OgVPoba3I7VcgtYFOGtrjHLyudx/OaBMLWfU/C2iRiItjHYUKfdXABZJesEawfRdDp22HR /W2tiEP747OuNIbd/OmUODunq+J2I0UYNCJgLKDZI03YvS2tH0f+lokSubSaKG6cvCVANR gLdecrLTpyHgW/eCS2QA1dHis7xZxfg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-318-hYDmwy78OhascDW9fQZv0Q-1; Fri, 29 May 2020 18:03:00 -0400 X-MC-Unique: hYDmwy78OhascDW9fQZv0Q-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 504A580183C; Fri, 29 May 2020 22:02:59 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-112-138.rdu2.redhat.com [10.10.112.138]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8F24775294; Fri, 29 May 2020 22:02:58 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH 24/27] afs: Fix afs_statfs() to not let the values go below zero From: David Howells <dhowells@redhat.com> To: linux-afs@lists.infradead.org Cc: dhowells@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Fri, 29 May 2020 23:02:57 +0100 Message-ID: <159078977780.679399.6918426082550606601.stgit@warthog.procyon.org.uk> In-Reply-To: <159078959973.679399.15496997680826127470.stgit@warthog.procyon.org.uk> References: <159078959973.679399.15496997680826127470.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.22 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: <linux-fsdevel.vger.kernel.org> X-Mailing-List: linux-fsdevel@vger.kernel.org |
Series |
afs: Improvements
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expand
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diff --git a/fs/afs/super.c b/fs/afs/super.c index c77b11b31233..b552357b1d13 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -729,7 +729,10 @@ static void afs_get_volume_status_success(struct afs_operation *op) buf->f_blocks = vs->part_max_blocks; else buf->f_blocks = vs->max_quota; - buf->f_bavail = buf->f_bfree = buf->f_blocks - vs->blocks_in_use; + + if (buf->f_blocks > vs->blocks_in_use) + buf->f_bavail = buf->f_bfree = + buf->f_blocks - vs->blocks_in_use; } static const struct afs_operation_ops afs_get_volume_status_operation = {
Fix afs_statfs() so that the value for f_bavail and f_bfree don't go "negative" if the number of blocks in use by a volume exceeds the max quota for that volume. Signed-off-by: David Howells <dhowells@redhat.com> --- fs/afs/super.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)