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    SubjectRe: [PATCH 28/33] readahead: loop case
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    On Wed, May 24, 2006 at 10:01:35PM +0800, Limin Wang wrote:
    >
    > If the loopback files is bigger than the memory size, it may cause miss again and
    > may better to turn on the read ahead?
    >

    The readahead is always on, it's only disabling lookahead :-)

    > > Disable look-ahead for loop file.
    > >
    > > Loopback files normally contain filesystems, in which case there are already
    > > proper look-aheads in the upper layer, more look-aheads on the loopback file
    > > only ruins the read-ahead hit rate.
    -
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