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SubjectRe: Unnecessary barrier in sync_page()?
On Wed, Jul 07, 2004 at 02:30:15PM -0700, Andrew Morton wrote:
> And we cannot lock the page because, err, we need to run sync_page() for
> that.

exactly ;)

> But I cannot think of any callers of sync_page() who don't have a ref on
> the inode, so...

I'm thinking, does handle_write_error() holds a ref on the inode? that's
the VM and it finds the page without passing through the inode. I'm
afraid the VM isn't safe calling lock_page, or am I overlooking
something here?
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