fs: Use dquot_load_quota_inode() from filesystems

Use dquot_load_quota_inode from filesystems instead of dquot_enable().
In all three cases we want to load quota inode and never use the
function to update quota flags.

Signed-off-by: Jan Kara <jack@suse.cz>

fs/ext4/super.c

@@ -5835,7 +5835,7 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
 	/* Don't account quota for quota files to avoid recursion */
 	qf_inode->i_flags |= S_NOQUOTA;
 	lockdep_set_quota_inode(qf_inode, I_DATA_SEM_QUOTA);
-	err = dquot_enable(qf_inode, type, format_id, flags);
+	err = dquot_load_quota_inode(qf_inode, type, format_id, flags);
 	if (err)
 		lockdep_set_quota_inode(qf_inode, I_DATA_SEM_NORMAL);
 	iput(qf_inode);