dm-devel.redhat.com archive mirror
 help / color / mirror / Atom feed
From: Xose Vazquez Perez <xose.vazquez@gmail.com>
Cc: Xose Vazquez Perez <xose.vazquez@gmail.com>,
	DM-DEVEL ML <dm-devel@redhat.com>, Martin Wilck <mwilck@suse.com>,
	Mike Christie <michael.christie@oracle.com>
Subject: [dm-devel] [PATCH] multipath-tools: add info about IO affinity path selector to manpage
Date: Wed,  8 Sep 2021 22:33:54 +0200	[thread overview]
Message-ID: <20210908203354.13312-1-xose.vazquez@gmail.com> (raw)

Added in 5.11: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4d2e82b2300b03f66b3ca8417590c86e661fab1

Cc: Mike Christie <michael.christie@oracle.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Benjamin Marzinski <bmarzins@redhat.com>
Cc: Christophe Varoqui <christophe.varoqui@opensvc.com>
Cc: DM-DEVEL ML <dm-devel@redhat.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
---
 multipath/multipath.conf.5 | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5
index d6b8c7f6..42a15ffd 100644
--- a/multipath/multipath.conf.5
+++ b/multipath/multipath.conf.5
@@ -6,7 +6,7 @@
 .\"
 .\" ----------------------------------------------------------------------------
 .
-.TH MULTIPATH.CONF 5 2018-05-21 Linux
+.TH MULTIPATH.CONF 5 2021-09-08 Linux
 .
 .
 .\" ----------------------------------------------------------------------------
@@ -210,6 +210,10 @@ of outstanding I/O to the path and its relative throughput.
 estimation of future service time based on the history of previous I/O submitted
 to each path.
 .TP
+.I "io-affinity 0"
+(Since 5.11 kernel) Choose the path for the next bunch of I/O based on a CPU to
+path mapping the user passes in and what CPU we are executing on.
+.TP
 The default is: \fBservice-time 0\fR
 .RE
 .
-- 
2.32.0

--
dm-devel mailing list
dm-devel@redhat.com
https://listman.redhat.com/mailman/listinfo/dm-devel


             reply	other threads:[~2021-09-08 20:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-08 20:33 Xose Vazquez Perez [this message]
2021-09-10  7:49 ` Martin Wilck

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210908203354.13312-1-xose.vazquez@gmail.com \
    --to=xose.vazquez@gmail.com \
    --cc=dm-devel@redhat.com \
    --cc=michael.christie@oracle.com \
    --cc=mwilck@suse.com \
    --subject='Re: [dm-devel] [PATCH] multipath-tools: add info about IO affinity path selector to manpage' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).