From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 31204804C for ; Fri, 6 Feb 2015 13:53:12 -0600 (CST) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay3.corp.sgi.com (Postfix) with ESMTP id 5D3E5AC00C for ; Fri, 6 Feb 2015 11:53:08 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id dOhIUWVhtfJoiJHk (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Fri, 06 Feb 2015 11:53:08 -0800 (PST) Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t16Jr78X026123 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Fri, 6 Feb 2015 14:53:07 -0500 Received: from bfoster.bfoster ([10.18.41.237]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t16Jr7wX017039 for ; Fri, 6 Feb 2015 14:53:07 -0500 From: Brian Foster Subject: [PATCH v3 07/18] xfs: handle sparse inode chunks in icreate log recovery Date: Fri, 6 Feb 2015 14:52:54 -0500 Message-Id: <1423252385-3063-8-git-send-email-bfoster@redhat.com> In-Reply-To: <1423252385-3063-1-git-send-email-bfoster@redhat.com> References: <1423252385-3063-1-git-send-email-bfoster@redhat.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com Recovery of icreate transactions assumes hardcoded values for the inode count and chunk length. Sparse inode chunks are allocated in units of m_ialloc_min_blks. Update the icreate validity checks to allow for appropriately sized inode chunks and verify the inode count matches what is expected based on the extent length rather than assuming a hardcoded count. Signed-off-by: Brian Foster --- fs/xfs/xfs_log_recover.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index ecc73d5..5a5ee20 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3068,12 +3068,19 @@ xlog_recover_do_icreate_pass2( return -EINVAL; } - /* existing allocation is fixed value */ - ASSERT(count == mp->m_ialloc_inos); - ASSERT(length == mp->m_ialloc_blks); - if (count != mp->m_ialloc_inos || - length != mp->m_ialloc_blks) { - xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad count 2"); + /* inode chunk is either full or sparse */ + if (length != mp->m_ialloc_blks && + length != mp->m_ialloc_min_blks) { + xfs_warn(log->l_mp, + "%s: unsupported chunk length", __FUNCTION__); + return -EINVAL; + } + + /* verify inode count is consistent with extent length */ + if ((count >> mp->m_sb.sb_inopblog) != length) { + xfs_warn(log->l_mp, + "%s: inconsistent inode count and chunk length", + __FUNCTION__); return -EINVAL; } -- 1.8.3.1 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs