From bc9014e6a81272073b9854d9f65dd59e18d18c35 Mon Sep 17 00:00:00 2001 From: Justin Gibbs Date: Mon, 5 Jan 2015 19:27:09 -0500 Subject: 5056 ZFS deadlock on db_mtx and dn_holds Reviewed by: Will Andrews Reviewed by: Matt Ahrens Reviewed by: George Wilson Approved by: Dan McDonald --- usr/src/uts/common/fs/zfs/zap_micro.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'usr/src/uts/common/fs/zfs/zap_micro.c') diff --git a/usr/src/uts/common/fs/zfs/zap_micro.c b/usr/src/uts/common/fs/zfs/zap_micro.c index 81ea4f730f..3742471f78 100644 --- a/usr/src/uts/common/fs/zfs/zap_micro.c +++ b/usr/src/uts/common/fs/zfs/zap_micro.c @@ -21,6 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2011, 2014 by Delphix. All rights reserved. + * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. */ #include @@ -387,7 +388,8 @@ mzap_open(objset_t *os, uint64_t obj, dmu_buf_t *db) * it, because zap_lockdir() checks zap_ismicro without the lock * held. */ - winner = dmu_buf_set_user(db, zap, zap_evict); + dmu_buf_init_user(&zap->zap_dbu, zap_evict, &zap->zap_dbuf); + winner = dmu_buf_set_user(db, &zap->zap_dbu); if (winner != NULL) { rw_exit(&zap->zap_rwlock); @@ -679,11 +681,10 @@ zap_destroy(objset_t *os, uint64_t zapobj, dmu_tx_t *tx) return (dmu_object_free(os, zapobj, tx)); } -_NOTE(ARGSUSED(0)) void -zap_evict(dmu_buf_t *db, void *vzap) +zap_evict(void *dbu) { - zap_t *zap = vzap; + zap_t *zap = dbu; rw_destroy(&zap->zap_rwlock); -- cgit v1.2.3