linux-ext4 - [PATCH 09/12] ocfs2: Convert to private i

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Date:	Wed,  1 Oct 2014 21:31:31 +0200
From:	Jan Kara <jack@...e.cz>
To:	linux-fsdevel@...r.kernel.org
Cc:	linux-ext4@...r.kernel.org, Dave Chinner <david@...morbit.com>,
	xfs@....sgi.com, cluster-devel@...hat.com,
	Steven Whitehouse <swhiteho@...hat.com>,
	Mark Fasheh <mfasheh@...e.com>,
	Joel Becker <jlbec@...lplan.org>, ocfs2-devel@....oracle.com,
	reiserfs-devel@...r.kernel.org, Jeff Mahoney <jeffm@...e.de>,
	Dave Kleikamp <shaggy@...nel.org>,
	jfs-discussion@...ts.sourceforge.net, tytso@....edu,
	Jan Kara <jack@...e.cz>
Subject: [PATCH 09/12] ocfs2: Convert to private i_dquot field

CC: Mark Fasheh <mfasheh@...e.com>
CC: Joel Becker <jlbec@...lplan.org>
CC: ocfs2-devel@....oracle.com
Signed-off-by: Jan Kara <jack@...e.cz>
---
 fs/ocfs2/inode.h |  4 ++++
 fs/ocfs2/super.c | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h
index a6c991c0fc98..aed65d3aff57 100644
--- a/fs/ocfs2/inode.h
+++ b/fs/ocfs2/inode.h
@@ -80,6 +80,10 @@ struct ocfs2_inode_info
 	 */
 	tid_t i_sync_tid;
 	tid_t i_datasync_tid;
+
+#ifdef CONFIG_QUOTA
+	struct dquot *i_dquot[MAXQUOTAS];
+#endif
 };
 
 /*
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index ddb662b32447..190dc8620ae0 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -157,6 +157,13 @@ static const struct super_operations ocfs2_sops = {
 	.quota_write	= ocfs2_quota_write,
 };
 
+static const int ocfs2_inode_fields[IF_FIELD_NR] = {
+#ifdef CONFIG_QUOTA
+	[IF_DQUOTS] = offsetof(struct ocfs2_inode_info, i_dquot) -
+		      offsetof(struct ocfs2_inode_info, vfs_inode),
+#endif
+};
+
 enum {
 	Opt_barrier,
 	Opt_err_panic,
@@ -563,6 +570,9 @@ static struct inode *ocfs2_alloc_inode(struct super_block *sb)
 
 	oi->i_sync_tid = 0;
 	oi->i_datasync_tid = 0;
+#ifdef CONFIG_QUOTA
+	memset(&oi->i_dquot, 0, sizeof(oi->i_dquot));
+#endif
 
 	jbd2_journal_init_jbd_inode(&oi->ip_jinode, &oi->vfs_inode);
 	return &oi->vfs_inode;
@@ -2069,7 +2079,9 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	sb->s_export_op = &ocfs2_export_ops;
 	sb->s_qcop = &ocfs2_quotactl_ops;
 	sb->dq_op = &ocfs2_quota_operations;
+	sb_dqopt(sb)->allowed_types = (1 << USRQUOTA) | (1 << GRPQUOTA);
 	sb->s_xattr = ocfs2_xattr_handlers;
+	sb_init_inode_fields(sb, ocfs2_inode_fields);
 	sb->s_time_gran = 1;
 	sb->s_flags |= MS_NOATIME;
 	/* this is needed to support O_LARGEFILE */
-- 
1.8.1.4

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