Fix TXG_MASK cstyle

Fix style issue for 'tx->tx_txg&TXG_MASK'.  There should be white
space around the '&' character.  Split the dnode_reallocate() ASSERT
to make it more readable to clearly separate the checks.
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #8606 

module/zfs/dbuf.c

@@ -3959,7 +3959,7 @@ dbuf_sync_leaf(dbuf_dirty_record_t *dr, dmu_tx_t *tx)
 
 	ASSERT(!list_link_active(&dr->dr_dirty_node));
 	if (dn->dn_object == DMU_META_DNODE_OBJECT) {
-		list_insert_tail(&dn->dn_dirty_records[txg&TXG_MASK], dr);
+		list_insert_tail(&dn->dn_dirty_records[txg & TXG_MASK], dr);
 		DB_DNODE_EXIT(db);
 	} else {
 		/*

module/zfs/dmu_recv.c

@@ -1280,7 +1280,6 @@ receive_object(struct receive_writer_arg *rwa, struct drr_object *drro,
 				return (err);
 
 			err = dmu_free_long_object(rwa->os, slot);
-
 			if (err != 0)
 				return (err);
 
@@ -1316,6 +1315,7 @@ receive_object(struct receive_writer_arg *rwa, struct drr_object *drro,
 		    drro->drr_bonustype, drro->drr_bonuslen,
 		    dn_slots << DNODE_SHIFT, tx);
 	}
+
 	if (err != 0) {
 		dmu_tx_commit(tx);
 		return (SET_ERROR(EINVAL));

module/zfs/dnode.c

@@ -415,7 +415,7 @@ dnode_rm_spill(dnode_t *dn, dmu_tx_t *tx)
 	ASSERT3U(zfs_refcount_count(&dn->dn_holds), >=, 1);
 	ASSERT(RW_WRITE_HELD(&dn->dn_struct_rwlock));
 	dnode_setdirty(dn, tx);
-	dn->dn_rm_spillblk[tx->tx_txg&TXG_MASK] = DN_KILL_SPILLBLK;
+	dn->dn_rm_spillblk[tx->tx_txg & TXG_MASK] = DN_KILL_SPILLBLK;
 	dn->dn_have_spill = B_FALSE;
 }
 
@@ -690,14 +690,15 @@ dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize,
 	dnode_setdirty(dn, tx);
 	if (dn->dn_datablksz != blocksize) {
 		/* change blocksize */
-		ASSERT(dn->dn_maxblkid == 0 &&
-		    (BP_IS_HOLE(&dn->dn_phys->dn_blkptr[0]) ||
-		    dnode_block_freed(dn, 0)));
+		ASSERT0(dn->dn_maxblkid);
+		ASSERT(BP_IS_HOLE(&dn->dn_phys->dn_blkptr[0]) ||
+		    dnode_block_freed(dn, 0));
+
 		dnode_setdblksz(dn, blocksize);
-		dn->dn_next_blksz[tx->tx_txg&TXG_MASK] = blocksize;
+		dn->dn_next_blksz[tx->tx_txg & TXG_MASK] = blocksize;
 	}
 	if (dn->dn_bonuslen != bonuslen)
-		dn->dn_next_bonuslen[tx->tx_txg&TXG_MASK] = bonuslen;
+		dn->dn_next_bonuslen[tx->tx_txg & TXG_MASK] = bonuslen;
 
 	if (bonustype == DMU_OT_SA) /* Maximize bonus space for SA */
 		nblkptr = 1;
@@ -706,13 +707,14 @@ dnode_reallocate(dnode_t *dn, dmu_object_type_t ot, int blocksize,
 		    1 + ((DN_SLOTS_TO_BONUSLEN(dn_slots) - bonuslen) >>
 		    SPA_BLKPTRSHIFT));
 	if (dn->dn_bonustype != bonustype)
-		dn->dn_next_bonustype[tx->tx_txg&TXG_MASK] = bonustype;
+		dn->dn_next_bonustype[tx->tx_txg & TXG_MASK] = bonustype;
 	if (dn->dn_nblkptr != nblkptr)
-		dn->dn_next_nblkptr[tx->tx_txg&TXG_MASK] = nblkptr;
+		dn->dn_next_nblkptr[tx->tx_txg & TXG_MASK] = nblkptr;
 	if (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) {
 		dbuf_rm_spill(dn, tx);
 		dnode_rm_spill(dn, tx);
 	}
+
 	rw_exit(&dn->dn_struct_rwlock);
 
 	/* change type */
@@ -1654,9 +1656,9 @@ dnode_setdirty(dnode_t *dn, dmu_tx_t *tx)
 	ASSERT(!zfs_refcount_is_zero(&dn->dn_holds) ||
 	    !avl_is_empty(&dn->dn_dbufs));
 	ASSERT(dn->dn_datablksz != 0);
-	ASSERT0(dn->dn_next_bonuslen[txg&TXG_MASK]);
-	ASSERT0(dn->dn_next_blksz[txg&TXG_MASK]);
-	ASSERT0(dn->dn_next_bonustype[txg&TXG_MASK]);
+	ASSERT0(dn->dn_next_bonuslen[txg & TXG_MASK]);
+	ASSERT0(dn->dn_next_blksz[txg & TXG_MASK]);
+	ASSERT0(dn->dn_next_bonustype[txg & TXG_MASK]);
 
 	dprintf_ds(os->os_dsl_dataset, "obj=%llu txg=%llu\n",
 	    dn->dn_object, txg);

module/zfs/dsl_dir.c

@@ -1168,10 +1168,10 @@ dsl_dir_sync(dsl_dir_t *dd, dmu_tx_t *tx)
 	ASSERT(dmu_tx_is_syncing(tx));
 
 	mutex_enter(&dd->dd_lock);
-	ASSERT0(dd->dd_tempreserved[tx->tx_txg&TXG_MASK]);
+	ASSERT0(dd->dd_tempreserved[tx->tx_txg & TXG_MASK]);
 	dprintf_dd(dd, "txg=%llu towrite=%lluK\n", tx->tx_txg,
-	    dd->dd_space_towrite[tx->tx_txg&TXG_MASK] / 1024);
-	dd->dd_space_towrite[tx->tx_txg&TXG_MASK] = 0;
+	    dd->dd_space_towrite[tx->tx_txg & TXG_MASK] / 1024);
+	dd->dd_space_towrite[tx->tx_txg & TXG_MASK] = 0;
 	mutex_exit(&dd->dd_lock);
 
 	/* release the hold from dsl_dir_dirty */