From e66c6b993eb3a17e3dba684e1d4d659e9bc566c8 Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Sat, 10 Sep 2022 10:55:24 -0600 Subject: [PATCH] da.4: Don't document softtimeout kern.cam.da.default_softtimeout currently does nothing. It sets a value in the CCB that SIMs could look at, only none do. Leave it undocumented until it actually does something. It was introduced to allow a 'soft recovery' to be started when things were taking too long in the SIM by not scheduling new I/O, or other measures the SIM knew would help when it seemed like things were getting 'backed up'. No SIM in the FreeBSD tree implements this and scsi_da doesn't use it other than to pass it down, so best remove it from the documentation until it does something. Sponsored by: Netflix Fixes: 53af9c235f5d Reviewed by: gbe Differential Review: https://reviews.freebsd.org/D36518 --- share/man/man4/da.4 | 7 ------- 1 file changed, 7 deletions(-) diff --git a/share/man/man4/da.4 b/share/man/man4/da.4 index 3795e11c2d09..ce7f269b79c0 100644 --- a/share/man/man4/da.4 +++ b/share/man/man4/da.4 @@ -133,13 +133,6 @@ variables and .Xr loader 8 tunables: .Bl -tag -width 12 -.It Va kern.cam.da.default_softtimeout -Soft I/O timeout (ms). The default is 0. -Attempting to set this value to a -time span longer than -.It kern.cam.da.default_timeout -will return -.Dv EINVAL . .It Va kern.cam.da.default_timeout This variable determines how long the .Nm