Make use of ZFS_DEBUG consistent within kmod sources

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #10623

module/zfs/dbuf.c

@@ -1989,7 +1989,7 @@ dbuf_dirty(dmu_buf_impl_t *db, dmu_tx_t *tx)
 	 * objects may be dirtied in syncing context, but only if they
 	 * were already pre-dirtied in open context.
 	 */
-#ifdef DEBUG
+#ifdef ZFS_DEBUG
 	if (dn->dn_objset->os_dsl_dataset != NULL) {
 		rrw_enter(&dn->dn_objset->os_dsl_dataset->ds_bp_rwlock,
 		    RW_READER, FTAG);
@@ -2062,7 +2062,7 @@ dbuf_dirty(dmu_buf_impl_t *db, dmu_tx_t *tx)
 	 */
 	os = dn->dn_objset;
 	VERIFY3U(tx->tx_txg, <=, spa_final_dirty_txg(os->os_spa));
-#ifdef DEBUG
+#ifdef ZFS_DEBUG
 	if (dn->dn_objset->os_dsl_dataset != NULL)
 		rrw_enter(&os->os_dsl_dataset->ds_bp_rwlock, RW_READER, FTAG);
 	ASSERT(!dmu_tx_is_syncing(tx) || DMU_OBJECT_IS_SPECIAL(dn->dn_object) ||

module/zfs/dnode_sync.c

@@ -91,7 +91,7 @@ dnode_increase_indirection(dnode_t *dn, dmu_tx_t *tx)
 
 		if (child == NULL)
 			continue;
-#ifdef	DEBUG
+#ifdef	ZFS_DEBUG
 		DB_DNODE_ENTER(child);
 		ASSERT3P(DB_DNODE(child), ==, dn);
 		DB_DNODE_EXIT(child);
@@ -462,7 +462,7 @@ dnode_evict_dbufs(dnode_t *dn)
 	mutex_enter(&dn->dn_dbufs_mtx);
 	for (db = avl_first(&dn->dn_dbufs); db != NULL; db = db_next) {
 
-#ifdef	DEBUG
+#ifdef	ZFS_DEBUG
 		DB_DNODE_ENTER(db);
 		ASSERT3P(DB_DNODE(db), ==, dn);
 		DB_DNODE_EXIT(db);

module/zfs/dsl_dir.c

@@ -1553,7 +1553,7 @@ dsl_dir_diduse_space(dsl_dir_t *dd, dd_used_t type,
 		ASSERT(used > 0 ||
 		    dsl_dir_phys(dd)->dd_used_breakdown[type] >= -used);
 		dsl_dir_phys(dd)->dd_used_breakdown[type] += used;
-#ifdef DEBUG
+#ifdef ZFS_DEBUG
 		{
 			dd_used_t t;
 			uint64_t u = 0;

module/zfs/metaslab.c

@@ -4401,7 +4401,7 @@ metaslab_trace_add(zio_alloc_list_t *zal, metaslab_group_t *mg,
 	 */
 	if (zal->zal_size == metaslab_trace_max_entries) {
 		metaslab_alloc_trace_t *mat_next;
-#ifdef DEBUG
+#ifdef ZFS_DEBUG
 		panic("too many entries in allocation list");
 #endif
 		METASLABSTAT_BUMP(metaslabstat_trace_over_limit);

module/zfs/multilist.c

@@ -33,7 +33,7 @@ int zfs_multilist_num_sublists = 0;
  * Given the object contained on the list, return a pointer to the
  * object's multilist_node_t structure it contains.
  */
-#ifdef DEBUG
+#ifdef ZFS_DEBUG
 static multilist_node_t *
 multilist_d2l(multilist_t *ml, void *obj)
 {

module/zfs/rrwlock.c

@@ -164,7 +164,7 @@ static void
 rrw_enter_read_impl(rrwlock_t *rrl, boolean_t prio, void *tag)
 {
 	mutex_enter(&rrl->rr_lock);
-#if !defined(DEBUG) && defined(_KERNEL)
+#if !defined(ZFS_DEBUG) && defined(_KERNEL)
 	if (rrl->rr_writer == NULL && !rrl->rr_writer_wanted &&
 	    !rrl->rr_track_all) {
 		rrl->rr_anon_rcount.rc_count++;
@@ -241,7 +241,7 @@ void
 rrw_exit(rrwlock_t *rrl, void *tag)
 {
 	mutex_enter(&rrl->rr_lock);
-#if !defined(DEBUG) && defined(_KERNEL)
+#if !defined(ZFS_DEBUG) && defined(_KERNEL)
 	if (!rrl->rr_writer && rrl->rr_linked_rcount.rc_count == 0) {
 		rrl->rr_anon_rcount.rc_count--;
 		if (rrl->rr_anon_rcount.rc_count == 0)

module/zfs/space_map.c

@@ -675,7 +675,7 @@ space_map_write_impl(space_map_t *sm, range_tree_t *rt, maptype_t maptype,
 
 	space_map_write_intro_debug(sm, maptype, tx);
 
-#ifdef DEBUG
+#ifdef ZFS_DEBUG
 	/*
 	 * We do this right after we write the intro debug entry
 	 * because the estimate does not take it into account.
@@ -736,7 +736,7 @@ space_map_write_impl(space_map_t *sm, range_tree_t *rt, maptype_t maptype,
 
 	dmu_buf_rele(db, FTAG);
 
-#ifdef DEBUG
+#ifdef ZFS_DEBUG
 	/*
 	 * We expect our estimation to be based on the worst case
 	 * scenario [see comment in space_map_estimate_optimal_size()].

module/zfs/zfs_ioctl.c

@@ -4806,7 +4806,7 @@ zfs_allow_log_destroy(void *arg)
 		kmem_strfree(poolname);
 }
 
-#ifdef	DEBUG
+#ifdef	ZFS_DEBUG
 static boolean_t zfs_ioc_recv_inject_err;
 #endif
 
@@ -5019,7 +5019,7 @@ zfs_ioc_recv_impl(char *tofs, char *tosnap, char *origin, nvlist_t *recvprops,
 	}
 	*read_bytes = off - noff;
 
-#ifdef	DEBUG
+#ifdef	ZFS_DEBUG
 	if (zfs_ioc_recv_inject_err) {
 		zfs_ioc_recv_inject_err = B_FALSE;
 		error = 1;