Re: [PATCH v3 1/2] fuse: zero the partial EOF page when extending a file

[Miklos Szeredi]

On Thu, 20 Aug 2026 at 14:36, Jimmy Zuber <j...@amazon.com> wrote:

> +void fuse_zero_partial_eof_folio(struct inode *inode, loff_t from, loff_t to)
> +{
> +       struct folio *folio;
> +       size_t offset, end;
> +
> +       if (from >= to)
> +               return;
> +
> +       folio = filemap_lock_folio(inode->i_mapping, from >> PAGE_SHIFT);

How about:
truncate_pagecache_range(inode, from, to - 1);
?

The mkclean/mark_dirty magic is only needed by filesystems using
buffer heads, as Jan pointed out.  The other parts of the zeroing are
done by the above helper.

Thanks,
Miklos