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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Tue, 29 Nov 2022 19:56:37 -0600
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Subject: [PATCH] multipath.conf(5): remove io-affinity information
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The multpath-tools do not support the io-affinity path selector. We
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always add a repeat count as the path argument. The io-affinity selector
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doesn't take one. Instead it takes a bit map of CPUs that a path can
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run on. This isn't something that lends itself to the kind of
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auto-assembling that multipathd does. But even if we did want to
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try to support this path-selector, until we do, we shouldn't be listing
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it in the multipath.conf documentation.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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multipath/multipath.conf.5 | 4 ----
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1 file changed, 4 deletions(-)
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diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5
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index 01904feb..5e447e67 100644
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--- a/multipath/multipath.conf.5
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+++ b/multipath/multipath.conf.5
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@@ -211,10 +211,6 @@ of outstanding I/O to the path and its relative throughput.
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estimation of future service time based on the history of previous I/O submitted
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to each path.
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.TP
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-.I "io-affinity 0"
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-(Since 5.11 kernel) Choose the path for the next bunch of I/O based on a CPU to
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-path mapping the user passes in and what CPU we are executing on.
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-.TP
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The default is: \fBservice-time 0\fR
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.RE
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.
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