Re: [PATCH 3/17] afs: convert afs_dir_get_page to read_kmap_page
From: David Howells
Date: Thu Apr 12 2007 - 14:59:38 EST
Nate Diller <nate.diller@xxxxxxxxx> wrote:
> Hmmm you're right. Is your security work going into the next -mm?
I don't know. Andrew hasn't said anything. Andrew? Are you waiting for it
to go through DaveM's networking tree?
> If so, I'll just re-base this cleanup patch on that ... at the very least I
> want to get rid of afs_dir_put_page().
That's reasonable.
> Also, did you consider passing the key pointer directly and modifying the
> readpage actor to simply cast the pointer back, like
> read_mapping_page(mapping, page, (struct file *)key)? It seems like a waste
> to allocate a whole file struct on the stack just for the ->private field.
There's one small problem with that... And that's filemap_nopage() (it passes
vma->vm_file to readpage() unconditionally). Unless, of course, your patches
fix that too...
David
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