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Date:   Thu, 27 Aug 2020 12:56:10 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net 0/7] rxrpc, afs: Fix probing issues

From: David Howells <>
Date: Thu, 27 Aug 2020 16:03:33 +0100

> Here are some fixes for rxrpc and afs to fix issues in the RTT measuring in
> rxrpc and thence the Volume Location server probing in afs:
>  (1) Move the serial number of a received ACK into a local variable to
>      simplify the next patch.
>  (2) Fix the loss of RTT samples due to extra interposed ACKs causing
>      baseline information to be discarded too early.  This is a particular
>      problem for afs when it sends a single very short call to probe a
>      server it hasn't talked to recently.
>  (3) Fix rxrpc_kernel_get_srtt() to indicate whether it actually has seen
>      any valid samples or not.
>  (4) Remove a field that's set/woken, but never read/waited on.
>  (5) Expose the RTT and other probe information through procfs to make
>      debugging of this stuff easier.
>  (6) Fix VL rotation in afs to only use summary information from VL probing
>      and not the probe running state (which gets clobbered when next a
>      probe is issued).
>  (7) Fix VL rotation to actually return the error aggregated from the probe
>      errors.
> The patches are tagged here:
> 	git://
> 	rxrpc-fixes-20200820

Pulled, thanks David.

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