From 63b33e878af4aa1027e4a7ffa99085cca11e665b Mon Sep 17 00:00:00 2001 From: "Justin T. Gibbs" Date: Fri, 9 Jan 2015 19:45:41 -0700 Subject: [PATCH] Illumos 5562 - ZFS sa_handle's violate kmem invariants, debug kernels panic on boot 5562 ZFS sa_handle's violate kmem invariants, debug kernels panic on boot Reviewed by: Matthew Ahrens Reviewed by: Robert Mustacchi Reviewed by: George Wilson Reviewed by: Rich Lowe Approved by: Dan McDonald References: https://www.illumos.org/issues/5562 https://github.com/illumos/illumos-gate/commit/0fda3cc5 Ported-by: DHE Signed-off-by: Brian Behlendorf Closes #3388 --- module/zfs/sa.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/module/zfs/sa.c b/module/zfs/sa.c index a3fcea87b..2383252e2 100644 --- a/module/zfs/sa.c +++ b/module/zfs/sa.c @@ -210,13 +210,6 @@ sa_cache_constructor(void *buf, void *unused, int kmflag) { sa_handle_t *hdl = buf; - hdl->sa_dbu.dbu_evict_func = NULL; - 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); } @@ -226,7 +219,6 @@ static void sa_cache_destructor(void *buf, void *unused) { sa_handle_t *hdl = buf; - hdl->sa_dbu.dbu_evict_func = NULL; mutex_destroy(&hdl->sa_lock); } @@ -1369,14 +1361,11 @@ sa_handle_destroy(sa_handle_t *hdl) mutex_enter(&hdl->sa_lock); (void) dmu_buf_remove_user(db, &hdl->sa_dbu); - 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); @@ -1410,10 +1399,13 @@ sa_handle_get_from_db(objset_t *os, dmu_buf_t *db, void *userp, sa_handle_t *winner = NULL; handle = kmem_cache_alloc(sa_cache, KM_SLEEP); + handle->sa_dbu.dbu_evict_func = NULL; handle->sa_userp = userp; 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); -- 2.40.0