svn commit: r269138 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Xin LI
delphij at FreeBSD.org
Sat Jul 26 19:07:09 UTC 2014
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.
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