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Date: Thu, 8 Mar 2001 09:24:13 -0300 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
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To: Anton Altaparmakov <aia21@cam.ac.uk>
cc: Andrew Morton <andrewm@uow.edu.au>, <linux-kernel@vger.kernel.org>
Subject: Re: Questions - Re: [PATCH] documentation for mm.h
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On Thu, 8 Mar 2001, Anton Altaparmakov wrote:
> At 22:33 07/03/2001, Rik van Riel wrote:
> [snip]
> >  typedef struct page {
> >+       struct list_head list;          /* ->mapping has some page lists. */
> >+       struct address_space *mapping;  /* The inode (or ...) we belong to. */
> >+       unsigned long index;            /* Our offset within mapping. */
>
> Assuming index is in bytes (it looks like it is): Shouldn't index of type

It's in units of PAGE_CACHE_SIZE. I've corrected the documentation.

> [snip]
> >+ * During disk I/O, PG_locked is used. This bit is set before I/O
> >+ * and reset when I/O completes. page->wait is a wait queue of all
> >+ * tasks waiting for the I/O on this page to complete.
>
> Is this physical I/O only or does it include a driver
> writing/reading the page?

I'm not sure ... anyone ?

regards,

Rik
--
Linux MM bugzilla: http://linux-mm.org/bugzilla.shtml

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