On Wed, May 24, 2023 at 02:33:13PM +0100, Matthew Wilcox wrote: > As you can see, do_page_cache_ra() does limit readahead to i_size. > Is ractl->mapping->host the correct way to find the inode? I always > get confused.
As far as I can tell it is the right inode, the indirection through file->f_mapping ensures it actually points to the backing inode.
