[dm-devel] [PATCH] multipath-tools: add info to man page for the historical-service-time path selector

[Xose Vazquez Perez]

Cc: Khazhismel Kumykov <khazhy at google.com>
Cc: Gabriel Krisman Bertazi <krisman at collabora.com>
Cc: Martin Wilck <mwilck at suse.com>
Cc: Benjamin Marzinski <bmarzins at redhat.com>
Cc: Christophe Varoqui <christophe.varoqui at opensvc.com>
Cc: DM-DEVEL ML <dm-devel at redhat.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez at gmail.com>
---
 multipath/multipath.conf.5 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5
index 05a5e8ff..6e637769 100644
--- a/multipath/multipath.conf.5
+++ b/multipath/multipath.conf.5
@@ -205,6 +205,10 @@ of outstanding I/O to the path.
 (Since 2.6.31 kernel) Choose the path for the next bunch of I/O based on the amount
 of outstanding I/O to the path and its relative throughput.
 .TP
+.I "historical-service-time 0"
+(Since 5.8 kernel) Choose the path for the next bunch of I/O based on the shortest
+time by comparing estimated service time (based on historical service time).
+.TP
 The default is: \fBservice-time 0\fR
 .RE
 .
-- 
2.26.2