Messages in this thread | | | Date | Fri, 4 Jun 2004 21:50:29 -0700 | From | Andrew Morton <> | Subject | Re: [HOWTO...] LUFS, readpage and large files |
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Eduard Bloch <blade@debian.org> wrote: > > offset = p->index << PAGE_CACHE_SHIFT; > count = PAGE_SIZE; > > The problem is, page->index indeed contains a short datatype for offset - > ...but where to get the correct data? (the long long offset).
p->index is a 32-bit type. So (p->index << PAGE_CACHE_SHIFT) is also 32-bit, and stuff overflows. Do:
offset = p->index; offset <<= PAGE_CACHE_SHIFT; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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