Alistair Popple wrote:
> Prior to any truncation operations file systems call
> dax_break_mapping() to ensure pages in the range are not under going
> DMA. Later DAX page-cache entries will be removed by
> truncate_folio_batch_exceptionals() in the generic page-cache code.
>
> However this makes i
Prior to any truncation operations file systems call
dax_break_mapping() to ensure pages in the range are not under going
DMA. Later DAX page-cache entries will be removed by
truncate_folio_batch_exceptionals() in the generic page-cache code.
However this makes it possible for folios to be removed