> > Index: linux.git/mm/filemap.c
> > ===================================================================
> > --- linux.git.orig/mm/filemap.c 2008-05-08 08:17:22.000000000 +0200
> > +++ linux.git/mm/filemap.c 2008-05-08 08:19:59.000000000 +0200
> > @@ -1461,6 +1461,12 @@ page_not_uptodate:
> > */
> > ClearPageError(page);
> > error = mapping->a_ops->readpage(file, page);
> > + if (!error && !PageUptodate(page)) {
>
> Shouldn't you have (!error || error != AOP_TRUNCATED_PAGE),
That would be a rather useless condition (hint: '!error' means 'error == 0')
> since the fs can
> return AOP_TRUNCATED_PAGE if it needs vfs to try the readpage again?
Yep, I din't touch the 'error != 0' codepath.
Miklos
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