Author: mm
Date: Sun Nov 25 16:54:43 2012
New Revision: 243525
URL: http://svnweb.freebsd.org/changeset/base/243525
Log:
Add loader(8) tunable to enable/disable nopwrite functionality:
vfs.zfs.nopwrite_enabled
MFC after: 2 weeks
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Sun Nov 25
16:32:07 2012 (r243524)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c Sun Nov 25
16:54:43 2012 (r243525)
@@ -50,6 +50,10 @@
* Enable/disable nopwrite feature.
*/
int zfs_nopwrite_enabled = 1;
+SYSCTL_DECL(_vfs_zfs);
+TUNABLE_INT("vfs.zfs.nopwrite_enabled", &zfs_nopwrite_enabled);
+SYSCTL_INT(_vfs_zfs, OID_AUTO, nopwrite_enabled, CTLFLAG_RDTUN,
+ &zfs_nopwrite_enabled, 0, "Enable nopwrite feature");
const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES] = {
{ DMU_BSWAP_UINT8, TRUE, "unallocated" },
@@ -1562,7 +1566,6 @@ dmu_object_set_compress(objset_t *os, ui
int zfs_mdcomp_disable = 0;
TUNABLE_INT("vfs.zfs.mdcomp_disable", &zfs_mdcomp_disable);
-SYSCTL_DECL(_vfs_zfs);
SYSCTL_INT(_vfs_zfs, OID_AUTO, mdcomp_disable, CTLFLAG_RW,
&zfs_mdcomp_disable, 0, "Disable metadata compression");
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