Add a tunable for spa_slop_shift which controls how much space we

would reserve by default. Tuning is not recommended. MFC after: 2 weeks
2014-11-18 18:52:38 +00:00 · 2014-11-18 18:52:38 +00:00 · 533328434b
commit 533328434b
parent 46a768faae
1 changed files with 3 additions and 0 deletions
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
@ -401,6 +401,9 @@ 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)).");

 /*
 * ==========================================================================