On Thu, Apr 07, 2022 at 12:05:05AM +0100, David Howells wrote: > Fix this by adding an extra address_space operation, ->removing folio(), > and flag, AS_NOTIFY_REMOVING_FOLIO. The operation is called if the flag is > set when a folio is removed from the pagecache. The flag should be set if > a non-NULL cookie is obtained from fscache and cleared in ->evict_inode() > before truncate_inode_pages_final() is called. What's wrong with ->freepage?
