On Tue, Jun 27, 2023 at 05:17:18PM +0800, zhaoyang.huang wrote:
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -434,6 +434,8 @@ struct address_space {
> struct rb_root_cached i_mmap;
> struct rw_semaphore i_mmap_rwsem;
> unsigned long nrpages;
> + atomic_long_t gen;
> + atomic_long_t tier;
This increases the size of the inode by 16 byes, and better have really
good data supporting it, as increases of the inode size impact a lot
of workloads.
