Author: mav
Date: Thu Aug 16 18:44:50 2018
New Revision: 337923
URL: https://svnweb.freebsd.org/changeset/base/337923
Log:
Make vfs.zfs.zio.dva_throttle_enabled sysctl writable.
Not sure what I thought originally, but as I see now runtime changes are
working fine, and the code seems like even designed for this.
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c Thu Aug 16
18:40:16 2018 (r337922)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c Thu Aug 16
18:44:50 2018 (r337923)
@@ -83,8 +83,8 @@ const char *zio_type_name[ZIO_TYPES] = {
};
boolean_t zio_dva_throttle_enabled = B_TRUE;
-SYSCTL_INT(_vfs_zfs_zio, OID_AUTO, dva_throttle_enabled, CTLFLAG_RDTUN,
- &zio_dva_throttle_enabled, 0, "");
+SYSCTL_INT(_vfs_zfs_zio, OID_AUTO, dva_throttle_enabled, CTLFLAG_RWTUN,
+ &zio_dva_throttle_enabled, 0, "Enable allocation throttling");
/*
* ==========================================================================
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