Author: mav
Date: Sat Oct  3 07:19:12 2015
New Revision: 288537
URL: https://svnweb.freebsd.org/changeset/base/288537

Log:
  MFC r286539:
  5562 ZFS sa_handle's violate kmem invariants, debug kernels panic on boot
  
  Reviewed by: Matthew Ahrens <mahr...@delphix.com>
  Reviewed by: Robert Mustacchi <r...@fingolfin.org>
  Reviewed by: George Wilson <geo...@delphix.com>
  Reviewed by: Rich Lowe <richl...@richlowe.net>
  Approved by: Dan McDonald <dan...@omniti.com>
  Author: Justin T. Gibbs <just...@spectralogic.com>
  
  illumos/illumos-gate@0fda3cc5c1c5a1d9bdea6d52637bef6e781549c9

Modified:
  stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c       Sat Oct 
 3 07:17:45 2015        (r288536)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sa.c       Sat Oct 
 3 07:19:12 2015        (r288537)
@@ -210,12 +210,6 @@ sa_cache_constructor(void *buf, void *un
 {
        sa_handle_t *hdl = buf;
 
-       hdl->sa_bonus_tab = NULL;
-       hdl->sa_spill_tab = NULL;
-       hdl->sa_os = NULL;
-       hdl->sa_userp = NULL;
-       hdl->sa_bonus = NULL;
-       hdl->sa_spill = NULL;
        mutex_init(&hdl->sa_lock, NULL, MUTEX_DEFAULT, NULL);
        return (0);
 }
@@ -1350,14 +1344,11 @@ sa_handle_destroy(sa_handle_t *hdl)
        (void) dmu_buf_update_user((dmu_buf_t *)hdl->sa_bonus, hdl,
            NULL, NULL);
 
-       if (hdl->sa_bonus_tab) {
+       if (hdl->sa_bonus_tab)
                sa_idx_tab_rele(hdl->sa_os, hdl->sa_bonus_tab);
-               hdl->sa_bonus_tab = NULL;
-       }
-       if (hdl->sa_spill_tab) {
+
+       if (hdl->sa_spill_tab)
                sa_idx_tab_rele(hdl->sa_os, hdl->sa_spill_tab);
-               hdl->sa_spill_tab = NULL;
-       }
 
        dmu_buf_rele(hdl->sa_bonus, NULL);
 
@@ -1392,6 +1383,8 @@ sa_handle_get_from_db(objset_t *os, dmu_
                handle->sa_bonus = db;
                handle->sa_os = os;
                handle->sa_spill = NULL;
+               handle->sa_bonus_tab = NULL;
+               handle->sa_spill_tab = NULL;
 
                error = sa_build_index(handle, SA_BONUS);
                newhandle = (hdl_type == SA_HDL_SHARED) ?
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