On Tue, Jun 11, 2024 at 05:47:12PM +0700, Shaun Tancheff wrote: >> const struct address_space_operations *a_ops = mapping->a_ops; >> + size_t chunk = mapping_max_folio_size(mapping); > > Better to default chunk to PAGE_SIZE for backward compat > + size_t chunk = PAGE_SIZE; > >> long status = 0; >> ssize_t written = 0; >> > > Have fs opt in to large folio support: > > + if (mapping_large_folio_support(mapping)) > + chunk = PAGE_SIZE << MAX_PAGECACHE_ORDER; I don't think you've actually read the code, have you?
