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From: Xin LI <delphij@FreeBSD.org>
Date: Sat, 26 Jul 2014 19:07:09 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r269138 -
 head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
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Author: delphij
Date: Sat Jul 26 19:07:08 2014
New Revision: 269138
URL: http://svnweb.freebsd.org/changeset/base/269138

Log:
  Add two sysctls for newly added tunables.
  
  MFC after:	2 weeks

Modified:
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c	Sat Jul 26 18:52:23 2014	(r269137)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c	Sat Jul 26 19:07:08 2014	(r269138)
@@ -114,6 +114,11 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, mg_noallo
  * class have also crossed this threshold.
  */
 int zfs_mg_fragmentation_threshold = 85;
+SYSCTL_INT(_vfs_zfs, OID_AUTO, mg_fragmentation_threshold, CTLFLAG_RWTUN,
+    &zfs_mg_fragmentation_threshold, 0,
+    "Percentage of metaslab group size that should be considered "
+    "eligible for allocations unless all metaslab groups within the metaslab class "
+    "have also crossed this threshold");
 
 /*
  * Allow metaslabs to keep their active state as long as their fragmentation
@@ -122,6 +127,9 @@ int zfs_mg_fragmentation_threshold = 85;
  * status allowing better metaslabs to be selected.
  */
 int zfs_metaslab_fragmentation_threshold = 70;
+SYSCTL_INT(_vfs_zfs_metaslab, OID_AUTO, fragmentation_threshold, CTLFLAG_RWTUN,
+    &zfs_metaslab_fragmentation_threshold, 0,
+    "Maximum percentage of metaslab fragmentation level to keep their active state");
 
 /*
  * When set will load all metaslabs when pool is first opened.