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    SubjectRe: [PATCH 1/2] fs: optimize mpage_readpage()
    On Sat, May 29, 2010 at 9:46 PM, Borislav Petkov <> wrote:
    > From: Changli Gao <>
    > Date: Sat, May 29, 2010 at 09:26:47PM +0800
    >> Did the compiler warning appear after applying my patch? It doesn't
    >> happen when I testing it.
    > yep, using gcc (Debian 4.4.4-2) 4.4.4 here.
    >> And I don't pass bio to do_mpage_readpage(), but I pass NULL instead.
    > True, but you still need that bio pointer so you might just as well set
    > it to NULL as the original code does.

    I'm using gcc 4.4.3(Gentoo). It's strange. on that line, bio is only
    used as left value. Maybe it is a compiler bug, or you didn't apply my
    patch properly.

    Changli Gao(
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