Messages in this thread | | | Date | Sun, 4 Jan 2004 14:10:30 -0800 | From | Andrew Morton <> | Subject | Re: Buffer and Page cache coherent? was: Strange IDE performance change in 2.6.1-rc1 (again) |
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Mike Fedyk <mfedyk@matchmail.com> wrote: > > On Sat, Jan 03, 2004 at 02:40:03PM -0800, Andrew Morton wrote: > > No effort was made to optimise buffered blockdev reads because it is not > > very important and my main interest was in data coherency and filesystem > > metadata consistency. > > Does that mean that blockdev reads will populate the pagecache in 2.6?
They have since 2.4.10. The pagecache is the only cacheing entity for file (and blockdev) data.
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