Re: [PATCH 0/4] map multiple blocks in get_block() andmpage_readpages()

[Andrew Morton]

Badari Pulavarty <pbadari@xxxxxxxxxx> wrote:
>
> I noticed decent improvements (reduced sys time) on JFS, XFS and ext3.
> (on simple "dd" read tests).
> 
>          (rc3.mm1)      (rc3.mm1 + patches)
> real    0m18.814s       0m18.482s
> user    0m0.000s        0m0.004s
> sys     0m3.240s        0m2.912s

With which filesystem?  XFS and JFS implement a larger-than-b_size
->get_block, but ext3 doesn't.  I'd expect ext3 system time to increase a
bit, if anything?

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