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SubjectRe: [Drbd-dev] [PATCH 016/118] drbd: Add read_requests tree
On Thu, Aug 25, 2011 at 05:07:12PM +0200, Philipp Reisner wrote:
> From: Andreas Gruenbacher <agruen@linbit.com>
>
> We do not do collision detection for read requests, but we still need to
> look up the request objects when we receive a package over the network.
> Using the same data structure for read and write requests results in
> simpler code once the tl_hash and app_reads_hash tables are removed.
>
> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
> ---
> drivers/block/drbd/drbd_int.h | 1 +
> drivers/block/drbd/drbd_main.c | 1 +
> drivers/block/drbd/drbd_req.c | 13 ++++++++++---
> 3 files changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
> index 0583713..fe15319 100644
> --- a/drivers/block/drbd/drbd_int.h
> +++ b/drivers/block/drbd/drbd_int.h
> @@ -1020,6 +1020,7 @@ struct drbd_conf {
> unsigned int tl_hash_s;
>
> /* Interval tree of pending local write requests */
> + struct rb_root read_requests;
> struct rb_root write_requests;

Looks like the comment needs updating.

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Pawel Jakub Dawidek http://www.wheelsystems.com
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