svn commit: r269774 - stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
Xin LI
delphij at FreeBSD.org
Sun Aug 10 06:10:22 UTC 2014
Author: delphij
Date: Sun Aug 10 06:10:21 2014
New Revision: 269774
URL: http://svnweb.freebsd.org/changeset/base/269774
Log:
MFC r269138:
Add two sysctls for newly added tunables.
Modified:
stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c Sun Aug 10 05:58:41 2014 (r269773)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/metaslab.c Sun Aug 10 06:10:21 2014 (r269774)
@@ -117,6 +117,12 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, mg_noallo
* class have also crossed this threshold.
*/
int zfs_mg_fragmentation_threshold = 85;
+TUNABLE_INT("vfs.zfs.mg_fragmentation_threshold", &zfs_mg_fragmentation_threshold);
+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
@@ -125,6 +131,11 @@ int zfs_mg_fragmentation_threshold = 85;
* status allowing better metaslabs to be selected.
*/
int zfs_metaslab_fragmentation_threshold = 70;
+TUNABLE_INT("vfs.zfs.metaslab.fragmentation_threshold",
+ &zfs_metaslab_fragmentation_threshold);
+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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