From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0172C43331 for ; Thu, 26 Mar 2020 14:55:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9D7A5206F6 for ; Thu, 26 Mar 2020 14:55:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727547AbgCZOzh (ORCPT ); Thu, 26 Mar 2020 10:55:37 -0400 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:59660 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726267AbgCZOzh (ORCPT ); Thu, 26 Mar 2020 10:55:37 -0400 Received: from callcc.thunk.org (pool-72-93-95-157.bstnma.fios.verizon.net [72.93.95.157]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 02QEtWsU001774 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 26 Mar 2020 10:55:33 -0400 Received: by callcc.thunk.org (Postfix, from userid 15806) id 4F1D5420EBA; Thu, 26 Mar 2020 10:55:32 -0400 (EDT) Date: Thu, 26 Mar 2020 10:55:32 -0400 From: "Theodore Y. Ts'o" To: Jan Kara Cc: linux-ext4@vger.kernel.org Subject: Re: [PATCH] ext4: avoid ENOSPC when avoiding to reuse recently deleted inodes Message-ID: <20200326145532.GA296708@mit.edu> References: <20200318121317.31941-1-jack@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200318121317.31941-1-jack@suse.cz> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Wed, Mar 18, 2020 at 01:13:17PM +0100, Jan Kara wrote: > When ext4 is running on a filesystem without a journal, it tries not to > reuse recently deleted inodes to provide better chances for filesystem > recovery in case of crash. However this logic forbids reuse of freed > inodes for up to 5 minutes and especially for filesystems with smaller > number of inodes can lead to ENOSPC errors returned when allocating new > inodes. > > Fix the problem by allowing to reuse recently deleted inode if there's > no other inode free in the scanned range. > > Signed-off-by: Jan Kara Thanks, applied with a minor whitespace fixup. - Ted