Messages in this thread | | | Date | Mon, 07 Aug 2000 12:49:57 -0600 | From | "Jeff V. Merkey" <> | Subject | Re: NWFS readpage() in 2.2.X -- after_unlock_page() not exported |
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"Jeff V. Merkey" wrote: >
Another item that's somewhat confusing in the code is that generic_readpage() is FREEING the page by setting PG_free_after in the page->flags then calling __free_page() in after_unlock_page() which would seem to indicate that right after going through the overhead of writing data into the page, we free it after the IO completes (???). Doesn't the page with the data we just copied get cached in the page cache, or is there yet another copy operation somewhere else?
What's the deal here?
Jeff
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