svn commit: r286261 - stable/10/share/man/man4
Xin LI
delphij at FreeBSD.org
Mon Aug 3 23:04:34 UTC 2015
Author: delphij
Date: Mon Aug 3 23:04:32 2015
New Revision: 286261
URL: https://svnweb.freebsd.org/changeset/base/286261
Log:
MFC r284607:
Document kern.cam.ada.legacy_aliases, while I'm there also fix some typos.
Modified:
stable/10/share/man/man4/ada.4
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/share/man/man4/ada.4
==============================================================================
--- stable/10/share/man/man4/ada.4 Mon Aug 3 22:14:45 2015 (r286260)
+++ stable/10/share/man/man4/ada.4 Mon Aug 3 23:04:32 2015 (r286261)
@@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd October 22, 2014
+.Dd June 19, 2015
.Dt ADA 4
.Os
.Sh NAME
@@ -45,14 +45,14 @@ The host adapter must also be separately
.Tn ATA
direct access device can be configured.
.Sh COMMAND QUEUING
-Command queueing allows the device to process multiple transactions
+Command queuing allows the device to process multiple transactions
concurrently, often re-ordering them to reduce the number and length of
seeks.
.Tn ATA
-defines two types of queueing:
-.Tn TCQ (Tagged Command Queueing, PATA legacy)
+defines two types of queuing:
+.Tn TCQ (Tagged Command Queuing, PATA legacy)
and
-.Tn NCQ (Native Command Queueing, SATA) .
+.Tn NCQ (Native Command Queuing, SATA) .
The
.Nm
device driver takes full advantage of NCQ, when supported.
@@ -146,6 +146,16 @@ instead of
.Pa /etc/sysctl.conf .
The global default is currently 1.
The per-device default is to leave it as-is (follow global setting).
+.It Va kern.cam.ada.legacy_aliases
+.Pp
+This variable determines whether
+.Pa /dev/ad Ns Ar Y
+symbolic links are created,
+which tries to mimic old
+.Xr ata 4
+numbering.
+Set to 1 to enable legacy aliases symlinks, 0 to disable.
+The default is currently enabled.
.El
.Sh FILES
.Bl -tag -width ".Pa /dev/ada*" -compact
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