extern int vfs_quota_off(struct super_block *sb, int type);
#define vfs_quota_off_mount(sb, type) vfs_quota_off(sb, type)
extern int vfs_quota_sync(struct super_block *sb, int type);
extern int vfs_quota_off(struct super_block *sb, int type);
#define vfs_quota_off_mount(sb, type) vfs_quota_off(sb, type)
extern int vfs_quota_sync(struct super_block *sb, int type);