Messages in this thread | | | Date | Thu, 20 Jul 2023 14:09:10 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 16/17] block: use iomap for writes to block devices |
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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.
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