Re: [RFC] Patch: aliasing bug in blockdev-in-pagecache?

Andrea Arcangeli (andrea@suse.de)
Tue, 16 Apr 2002 20:01:47 +0200


On Sat, Apr 13, 2002 at 11:59:48PM +0100, Stephen C. Tweedie wrote:
> --- fs/buffer.c.~1~ Fri Apr 12 17:59:09 2002
> +++ fs/buffer.c Sat Apr 13 21:09:36 2002
> @@ -1902,9 +1902,14 @@
> }
>
> /* Stage 3: start the IO */
> - for (i = 0; i < nr; i++)
> - submit_bh(READ, arr[i]);
> -
> + for (i = 0; i < nr; i++) {
> + struct buffer_head * bh = arr[i];
> + if (buffer_uptodate(bh))
> + end_buffer_io_async(bh, 1);
> + else
> + submit_bh(READ, bh);
> + }
> +
> return 0;
> }

looks fine from my part too, thanks!

Andrea
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