From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id D69DC7F62 for ; Mon, 2 Mar 2015 07:28:11 -0600 (CST) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay2.corp.sgi.com (Postfix) with ESMTP id C5BF6304048 for ; Mon, 2 Mar 2015 05:28:11 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id fuPTvwaVbFDzlCWH (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 02 Mar 2015 05:28:10 -0800 (PST) Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t22DS9Vw008093 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Mon, 2 Mar 2015 08:28:10 -0500 Received: from bfoster.bfoster (dhcp-41-237.bos.redhat.com [10.18.41.237]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t22DS83h031498 for ; Mon, 2 Mar 2015 08:28:09 -0500 From: Brian Foster Subject: [PATCH v6 04/18] xfs: add sparse inode chunk alignment superblock field Date: Mon, 2 Mar 2015 08:27:54 -0500 Message-Id: <1425302888-4962-5-git-send-email-bfoster@redhat.com> In-Reply-To: <1425302888-4962-1-git-send-email-bfoster@redhat.com> References: <1425302888-4962-1-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 Add sb_spino_align to the superblock to specify sparse inode chunk alignment. This also currently represents the minimum allowable sparse chunk allocation size. Signed-off-by: Brian Foster --- fs/xfs/libxfs/xfs_format.h | 4 ++-- fs/xfs/libxfs/xfs_sb.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index 4daaa66..899d6b4 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -170,7 +170,7 @@ typedef struct xfs_sb { __uint32_t sb_features_log_incompat; __uint32_t sb_crc; /* superblock crc */ - __uint32_t sb_pad; + xfs_extlen_t sb_spino_align; /* sparse inode chunk alignment */ xfs_ino_t sb_pquotino; /* project quota inode */ xfs_lsn_t sb_lsn; /* last write sequence */ @@ -256,7 +256,7 @@ typedef struct xfs_dsb { __be32 sb_features_log_incompat; __le32 sb_crc; /* superblock crc */ - __be32 sb_pad; + __be32 sb_spino_align; /* sparse inode chunk alignment */ __be64 sb_pquotino; /* project quota inode */ __be64 sb_lsn; /* last write sequence */ diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c index dc4bfc5..32739a3 100644 --- a/fs/xfs/libxfs/xfs_sb.c +++ b/fs/xfs/libxfs/xfs_sb.c @@ -374,7 +374,7 @@ __xfs_sb_from_disk( be32_to_cpu(from->sb_features_log_incompat); /* crc is only used on disk, not in memory; just init to 0 here. */ to->sb_crc = 0; - to->sb_pad = 0; + to->sb_spino_align = be32_to_cpu(from->sb_spino_align); to->sb_pquotino = be64_to_cpu(from->sb_pquotino); to->sb_lsn = be64_to_cpu(from->sb_lsn); /* Convert on-disk flags to in-memory flags? */ @@ -516,7 +516,7 @@ xfs_sb_to_disk( cpu_to_be32(from->sb_features_incompat); to->sb_features_log_incompat = cpu_to_be32(from->sb_features_log_incompat); - to->sb_pad = 0; + to->sb_spino_align = cpu_to_be32(from->sb_spino_align); to->sb_lsn = cpu_to_be64(from->sb_lsn); } } -- 1.9.3 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs