Re: [PATCH v2 09/25] fs: Add a filesystem flag for large pages

[Christoph Hellwig]

On Tue, Feb 11, 2020 at 08:18:29PM -0800, Matthew Wilcox wrote:
> From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
> 
> The page cache needs to know whether the filesystem supports pages >
> PAGE_SIZE.

Does it make sense to set this flag on the file_system_type, which
is rather broad scope, or a specific superblock or even inode?

For some file systems we might require on-disk flags that aren't set
for all instances.