CC: linux-ext4@xxxxxxxxxxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext2/ext2.h | 3 +++
fs/ext2/super.c | 13 +++++++++++++
2 files changed, 16 insertions(+)
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index d9a17d0b124d..e4279ead4a05 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -689,6 +689,9 @@ struct ext2_inode_info {
struct mutex truncate_mutex;
struct inode vfs_inode;
struct list_head i_orphan; /* unlinked but open inodes */
+#ifdef CONFIG_QUOTA
+ struct dquot *i_dquot[MAXQUOTAS];
+#endif
};
/*
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index b88edc05c230..f43b2f28b9bc 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -166,6 +166,10 @@ static struct inode *ext2_alloc_inode(struct super_block *sb)
return NULL;
ei->i_block_alloc_info = NULL;
ei->vfs_inode.i_version = 1;
+#ifdef CONFIG_QUOTA
+ memset(&ei->i_dquot, 0, sizeof(ei->i_dquot));
+#endif
+
return &ei->vfs_inode;
}
@@ -323,6 +327,13 @@ static const struct super_operations ext2_sops = {
#endif
};
+static const int ext2_inode_fields[IF_FIELD_NR] = {
+#ifdef CONFIG_QUOTA
+ [IF_DQUOTS] = offsetof(struct ext2_inode_info, i_dquot) -
+ offsetof(struct ext2_inode_info, vfs_inode),
+#endif
+};
+
static struct inode *ext2_nfs_get_inode(struct super_block *sb,
u64 ino, u32 generation)
{
@@ -1090,7 +1101,9 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
#ifdef CONFIG_QUOTA
sb->dq_op = &dquot_operations;
sb->s_qcop = &dquot_quotactl_ops;
+ sb_dqopt(sb)->allowed_types = (1 << USRQUOTA) | (1 << GRPQUOTA);
#endif
+ sb_init_inode_fields(sb, ext2_inode_fields);
root = ext2_iget(sb, EXT2_ROOT_INO);
if (IS_ERR(root)) {
--
1.8.1.4
--
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