[PATCH 07/12] ext3: Convert to private i_dquot field

Jan Kara
2014-10-10T14:55:21Z

CC: linux-ext4@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
---
fs/ext3/ext3.h | 4 ++++
fs/ext3/super.c | 13 +++++++++++++
2 files changed, 17 insertions(+)

diff --git a/fs/ext3/ext3.h b/fs/ext3/ext3.h
index e85ff15a060e..04f30a1f96cb 100644
--- a/fs/ext3/ext3.h
+++ b/fs/ext3/ext3.h
@@ -613,6 +613,10 @@ struct ext3_inode_info {
atomic_t i_sync_tid;
atomic_t i_datasync_tid;

+#ifdef CONFIG_QUOTA
+ struct dquot *i_dquot[MAXQUOTAS];
+#endif
+
struct inode vfs_inode;
};

diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 622e88249024..9e152626ab47 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -485,6 +485,10 @@ static struct inode *ext3_alloc_inode(struct super_block *sb)
ei->vfs_inode.i_version = 1;
atomic_set(&ei->i_datasync_tid, 0);
atomic_set(&ei->i_sync_tid, 0);
+#ifdef CONFIG_QUOTA
+ memset(&ei->i_dquot, 0, sizeof(ei->i_dquot));
+#endif
+
return &ei->vfs_inode;
}

@@ -807,6 +811,13 @@ static const struct super_operations ext3_sops = {
.bdev_try_to_free_page = bdev_try_to_free_page,
};

+static const int ext3_inode_fields[IF_FIELD_NR] = {
+#ifdef CONFIG_QUOTA
+ [IF_DQUOTS] = (int)offsetof(struct ext3_inode_info, i_dquot) -
+ (int)offsetof(struct ext3_inode_info, vfs_inode),
+#endif
+};
+
static const struct export_operations ext3_export_ops = {
.fh_to_dentry = ext3_fh_to_dentry,
.fh_to_parent = ext3_fh_to_parent,
@@ -2008,7 +2019,9 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
#ifdef CONFIG_QUOTA
sb->s_qcop = &ext3_qctl_operations;
sb->dq_op = &ext3_quota_operations;
+ sb_dqopt(sb)->allowed_types = QTYPE_MASK_USR | QTYPE_MASK_GRP;
#endif
+ sb_init_inode_fields(sb, ext3_inode_fields);
memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid));
INIT_LIST_HEAD(&sbi->s_orphan); /* unlinked but open files */
mutex_init(&sbi->s_orphan_lock);