Messages in this thread | | | Date | Tue, 22 Jan 2002 10:41:26 -0800 | From | Andrew Morton <> | Subject | Re: Possible Idea with filesystem buffering. |
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Hans Reiser wrote: > > So is there a consensus view that we need 2 calls, one to write a > particular page, and one to exert memory pressure, and the call to write > a particular page should only be used when we really need to write that > particular page? >
Note that writepage() doesn't get used much. Most VM-initiated filesystem writeback activity is via try_to_release_page(), which has somewhat more vague and flexible semantics.
And by bdflush, which I suspect tends to conflict with sync_page_buffers() under pressure. But that's a different problem.
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