Author: mav
Date: Thu Aug 28 09:00:53 2014
New Revision: 270747
URL: http://svnweb.freebsd.org/changeset/base/270747
Log:
Document CAM locking improvements.
Modified:
stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml
Modified: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml
==============================================================================
--- stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml Thu Aug 28
08:48:10 2014 (r270746)
+++ stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml Thu Aug 28
09:00:53 2014 (r270747)
@@ -489,6 +489,14 @@
&man.geom.4; RAID driver has been
updated to support unmapped I/O.</para>
+ <para revision="260387" contrib="sponsor" sponsor="&ix;">The
+ &man.cam.4; got finer-grained locking, direct dispatch and
+ multi-queue support.
+ Combined with &man.geom.4; direct dispatch that allows to
+ reduce lock congestion and improve SMP scalability of the
+ SCSI/ATA stack.
+ </para>
+
<para revision="260478">The &man.geom.8;
<literal>GEOM_MULTIPATH</literal> class got automatic live
resize support.</para>
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