From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de ([195.135.220.15]:50866 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726635AbeKHAht (ORCPT ); Wed, 7 Nov 2018 19:37:49 -0500 Subject: Re: [PATCH v9 0/6] Btrfs: implement swap file support To: dsterba@suse.cz, Omar Sandoval , linux-btrfs@vger.kernel.org, kernel-team@fb.com, David Sterba , linux-fsdevel@vger.kernel.org References: <20181106095451.GG9136@twin.jikos.cz> <20181107144937.GE24115@twin.jikos.cz> From: Nikolay Borisov Message-ID: Date: Wed, 7 Nov 2018 17:07:00 +0200 MIME-Version: 1.0 In-Reply-To: <20181107144937.GE24115@twin.jikos.cz> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 7.11.18 г. 16:49 ч., David Sterba wrote: > On Tue, Nov 06, 2018 at 10:54:51AM +0100, David Sterba wrote: >> On Thu, Sep 27, 2018 at 11:17:32AM -0700, Omar Sandoval wrote: >>> From: Omar Sandoval >>> This series implements swap file support for Btrfs. >>> >>> Changes from v8 [1]: >>> >>> - Fixed a bug in btrfs_swap_activate() which would cause us to miss some >>> file extents if they were merged into one extent map entry. >>> - Fixed build for !CONFIG_SWAP. >>> - Changed all error messages to KERN_WARN. >>> - Unindented long error messages. >>> >>> I've Cc'd Jon and Al on patch 3 this time, so hopefully we can get an >>> ack for that one, too. >>> >>> Thanks! >>> >>> 1: https://www.spinics.net/lists/linux-btrfs/msg82267.html >>> >>> Omar Sandoval (6): >>> mm: split SWP_FILE into SWP_ACTIVATED and SWP_FS >>> mm: export add_swap_extent() >>> vfs: update swap_{,de}activate documentation >>> Btrfs: prevent ioctls from interfering with a swap file >>> Btrfs: rename get_chunk_map() and make it non-static >>> Btrfs: support swap files >> >> fstest generic/472 reports an assertion failure. This is on the updated fstests >> git (70c4067285b0bc076), though it should not matter: >> >> [16597.002190] assertion failed: IS_ALIGNED(start, fs_info->sectorsize) && IS_ALIGNED(end + 1, fs_info->sectorsize), file: fs/btrfs/file-item.c, line: 319 > > I have to revert the patch for now as it kills the testing machines. The reason is that the isize is not aligned to a sectorsize. Ie it should be: + u64 isize = ALIGN_DOWN(i_size_read(inode), fs_info->sectorsize); With this fixlet generic/472 succeeds. >