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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 0443AC4363A for ; Tue, 27 Oct 2020 00:30:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CFBEE21741 for ; Tue, 27 Oct 2020 00:30:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603758658; bh=mPBuKbaS/hmJtHA4/4Z3Ltibrw3uuXcBuYlOE2nTEe4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CcaYdRAsuGM/Fjkodq2LuudGfE1JS1Knsk5gmc/yB7l9lzYsPoNqrNB90BKDSFNqL q9/bW+iky3awqjs3OoOydOeux+D7ovRfdX2ljhtxhUE+xk+HsexMZqX2ZZaXhsUieI Q+I0Pub30+sHxBR/cYsFjIb5SRaSzzyb1dTTAYZo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2409768AbgJZXwc (ORCPT ); Mon, 26 Oct 2020 19:52:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:54966 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2409753AbgJZXwb (ORCPT ); Mon, 26 Oct 2020 19:52:31 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 998652222C; Mon, 26 Oct 2020 23:52:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603756350; bh=mPBuKbaS/hmJtHA4/4Z3Ltibrw3uuXcBuYlOE2nTEe4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GEEj66RpvzbJAQ/gHVoEq564EZfFOnspGvE2yHwoiR4vsoAL8kcGBcNP0Kmpvb9A+ Opb7sCmKVtJQjw/maltbZD1W+Z3sbo1JhSHck+5aVNukgxfdTv7ZOFtQBPl6LOEVxM ReoU0MdcSasGOVwbmtYJayi2VTokYejYHQ++EYWc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chandan Babu R , "Darrick J . Wong" , Christoph Hellwig , Sasha Levin , linux-xfs@vger.kernel.org Subject: [PATCH AUTOSEL 5.8 021/132] xfs: Set xfs_buf type flag when growing summary/bitmap files Date: Mon, 26 Oct 2020 19:50:13 -0400 Message-Id: <20201026235205.1023962-21-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026235205.1023962-1-sashal@kernel.org> References: <20201026235205.1023962-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Chandan Babu R [ Upstream commit 72cc95132a93293dcd0b6f68353f4741591c9aeb ] The following sequence of commands, mkfs.xfs -f -m reflink=0 -r rtdev=/dev/loop1,size=10M /dev/loop0 mount -o rtdev=/dev/loop1 /dev/loop0 /mnt xfs_growfs /mnt ... causes the following call trace to be printed on the console, XFS: Assertion failed: (bip->bli_flags & XFS_BLI_STALE) || (xfs_blft_from_flags(&bip->__bli_format) > XFS_BLFT_UNKNOWN_BUF && xfs_blft_from_flags(&bip->__bli_format) < XFS_BLFT_MAX_BUF), file: fs/xfs/xfs_buf_item.c, line: 331 Call Trace: xfs_buf_item_format+0x632/0x680 ? kmem_alloc_large+0x29/0x90 ? kmem_alloc+0x70/0x120 ? xfs_log_commit_cil+0x132/0x940 xfs_log_commit_cil+0x26f/0x940 ? xfs_buf_item_init+0x1ad/0x240 ? xfs_growfs_rt_alloc+0x1fc/0x280 __xfs_trans_commit+0xac/0x370 xfs_growfs_rt_alloc+0x1fc/0x280 xfs_growfs_rt+0x1a0/0x5e0 xfs_file_ioctl+0x3fd/0xc70 ? selinux_file_ioctl+0x174/0x220 ksys_ioctl+0x87/0xc0 __x64_sys_ioctl+0x16/0x20 do_syscall_64+0x3e/0x70 entry_SYSCALL_64_after_hwframe+0x44/0xa9 This occurs because the buffer being formatted has the value of XFS_BLFT_UNKNOWN_BUF assigned to the 'type' subfield of bip->bli_formats->blf_flags. This commit fixes the issue by assigning one of XFS_BLFT_RTSUMMARY_BUF and XFS_BLFT_RTBITMAP_BUF to the 'type' subfield of bip->bli_formats->blf_flags before committing the corresponding transaction. Reviewed-by: Darrick J. Wong Reviewed-by: Christoph Hellwig Signed-off-by: Chandan Babu R Signed-off-by: Darrick J. Wong Signed-off-by: Sasha Levin --- fs/xfs/xfs_rtalloc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index 6209e7b6b895b..04b953c3ffa75 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -767,8 +767,14 @@ xfs_growfs_rt_alloc( struct xfs_bmbt_irec map; /* block map output */ int nmap; /* number of block maps */ int resblks; /* space reservation */ + enum xfs_blft buf_type; struct xfs_trans *tp; + if (ip == mp->m_rsumip) + buf_type = XFS_BLFT_RTSUMMARY_BUF; + else + buf_type = XFS_BLFT_RTBITMAP_BUF; + /* * Allocate space to the file, as necessary. */ @@ -830,6 +836,8 @@ xfs_growfs_rt_alloc( mp->m_bsize, 0, &bp); if (error) goto out_trans_cancel; + + xfs_trans_buf_set_type(tp, bp, buf_type); memset(bp->b_addr, 0, mp->m_sb.sb_blocksize); xfs_trans_log_buf(tp, bp, 0, mp->m_sb.sb_blocksize - 1); /* -- 2.25.1