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SubjectRe: [PATCH] VFS readahead bug in 2.6.8-rc[1-3]
Phillip Lougher <phillip@lougher.demon.co.uk> wrote:
>
> Nick Piggin wrote:
>
> > No, I suggest you start to code assuming this interface does
> > what it does. I didn't say there is no bug here, but nobody
> > else's filesystem breaks.
> >
>
> To stop this silly argument from escalating, I will patch my code.
>

Well I don't think it's silly.

We are deterministically asking the fs to read a page which lies outside
EOF, and we shouldn't. If for no other reason than that the ever-popular
"read a million 4k files" workload will consume extra CPU and twice the
pagecache.

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