From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id qA85bjG3219465 for ; Wed, 7 Nov 2012 23:37:45 -0600 Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id ElvOjbV9GoeaBJK3 for ; Wed, 07 Nov 2012 21:39:42 -0800 (PST) Received: from disappointment ([192.168.1.1]) by dastard with esmtp (Exim 4.76) (envelope-from ) id 1TWKq0-0003NC-4x for xfs@oss.sgi.com; Thu, 08 Nov 2012 16:39:36 +1100 Received: from dave by disappointment with local (Exim 4.80) (envelope-from ) id 1TWKq0-0004vF-1X for xfs@oss.sgi.com; Thu, 08 Nov 2012 16:39:36 +1100 From: Dave Chinner Subject: [PATCH 3/3] xfs: make growfs initialise the AGFL header Date: Thu, 8 Nov 2012 16:39:33 +1100 Message-Id: <1352353173-18820-4-git-send-email-david@fromorbit.com> In-Reply-To: <1352353173-18820-1-git-send-email-david@fromorbit.com> References: <1352353173-18820-1-git-send-email-david@fromorbit.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 Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com From: Dave Chinner For verification purposes, AGFLs need to be initialised to a known set of values. For upcoming CRC changes, the are also headers that need to be initialised. Currently, growfs does neither for the AGFLs - it ignores them completely. Add initialisation of the AGFL to be full of invalid block numbers (NULLAGBLOCK) to put the infrastructure in place needed for CRC support. Signed-off-by: Dave Chinner --- fs/xfs/xfs_alloc.c | 2 +- fs/xfs/xfs_alloc.h | 1 + fs/xfs/xfs_fsops.c | 21 +++++++++++++++++++++ 3 files changed, 23 insertions(+), 1 deletion(-) diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index 8517e69..5b2357e 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -479,7 +479,7 @@ xfs_agfl_read_verify( xfs_agfl_verify(bp); } -static const struct xfs_buf_ops xfs_agfl_buf_ops = { +const struct xfs_buf_ops xfs_agfl_buf_ops = { .verify_read = xfs_agfl_read_verify, .verify_write = xfs_agfl_write_verify, }; diff --git a/fs/xfs/xfs_alloc.h b/fs/xfs/xfs_alloc.h index 786e1b8..a197b3c 100644 --- a/fs/xfs/xfs_alloc.h +++ b/fs/xfs/xfs_alloc.h @@ -239,5 +239,6 @@ xfs_alloc_freespace_map( u64 length); extern const struct xfs_buf_ops xfs_agf_buf_ops; +extern const struct xfs_buf_ops xfs_agfl_buf_ops; #endif /* __XFS_ALLOC_H__ */ diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 717b803..2f7d11e 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -140,6 +140,7 @@ xfs_growfs_data_private( xfs_growfs_data_t *in) /* growfs data input struct */ { xfs_agf_t *agf; + struct xfs_agfl *agfl; xfs_agi_t *agi; xfs_agnumber_t agno; xfs_extlen_t agsize; @@ -249,6 +250,26 @@ xfs_growfs_data_private( goto error0; /* + * AGFL header block + */ + bp = xfs_growfs_get_hdr_buf(mp, + XFS_AG_DADDR(mp, agno, XFS_AGFL_DADDR(mp)), + XFS_FSS_TO_BB(mp, 1), 0, &xfs_agfl_buf_ops); + if (!bp) { + error = ENOMEM; + goto error0; + } + + agfl = XFS_BUF_TO_AGFL(bp); + for (bucket = 0; bucket < XFS_AGFL_SIZE(mp); bucket++) + agfl->agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK); + + error = xfs_bwrite(bp); + xfs_buf_relse(bp); + if (error) + goto error0; + + /* * AG inode header block */ bp = xfs_growfs_get_hdr_buf(mp, -- 1.7.10 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs