From 5d1995bf497c14fddb0495f980ff98c0219f385d Mon Sep 17 00:00:00 2001 From: delphij Date: Thu, 4 Dec 2014 23:26:15 +0000 Subject: [PATCH] MFC r274674: Add a tunable for spa_slop_shift which controls how much space we would reserve by default. Tuning is not recommended. Relnotes: yes git-svn-id: svn://svn.freebsd.org/base/stable/10@275490 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f --- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c index 21904490b..b7a9f0781 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c @@ -384,6 +384,9 @@ zfs_deadman_init() * See also the comments in zfs_space_check_t. */ int spa_slop_shift = 5; +SYSCTL_INT(_vfs_zfs, OID_AUTO, spa_slop_shift, CTLFLAG_RWTUN, + &spa_slop_shift, 0, + "Shift value of reserved space (1/(2^spa_slop_shift))."); /* * ========================================================================== -- 2.45.0