endianness?

Signed-off-by: Paul Dagnelie <[email protected]>

Author: Paul Dagnelie

module/zfs/vdev_anyraid.c

@@ -592,6 +592,13 @@ anyraid_open_existing(vdev_t *vd, uint64_t child, uint16_t **child_capacities)
 			map_buf = abd_borrow_buf(map_abds[next_map],
 			    SPA_MAXBLOCKSIZE);
 			map = next_map;
+
+#ifdef _ZFS_BIG_ENDIAN
+			uint32_t length = map_length -
+			    next_map * SPA_MAXBLOCKSIZE;
+			byteswap_uint32_array(map_buf, length <
+			    SPA_MAXBLOCKSIZE ? length : SPA_MAXBLOCKSIZE);
+#endif
 		}
 		anyraid_map_entry_t *entry =
 		    (anyraid_map_entry_t *)(map_buf + (off % SPA_MAXBLOCKSIZE));
@@ -1244,9 +1251,16 @@ anyraid_map_write_done(zio_t *zio)
 }
 
 static void
-map_write_issue(zio_t *zio, vdev_t *vd, uint64_t base_offset, uint8_t idx,
-    abd_t *abd, zio_eck_t *cksum_out, int flags)
+map_write_issue(zio_t *zio, vdev_t *vd, uint64_t base_offset,
+    uint8_t idx, uint32_t length, abd_t *abd, zio_eck_t *cksum_out,
+    int flags)
 {
+#ifdef _ZFS_BIG_ENDIAN
+	byteswap_uint32_array(abd, length);
+#else
+	(void) length;
+#endif
+
 	zio_nowait(zio_write_phys(zio, vd, base_offset +
 	    idx * VDEV_ANYRAID_MAP_SIZE +
 	    VDEV_ANYRAID_MAP_HEADER_SIZE(vd->vdev_ashift), SPA_MAXBLOCKSIZE,
@@ -1317,7 +1331,7 @@ vdev_anyraid_write_map_sync(vdev_t *vd, zio_t *pio, uint64_t txg,
 				break;
 			abd_return_buf_copy(map_abd, buf, SPA_MAXBLOCKSIZE);
 			map_write_issue(zio, vd, base_offset, written,
-			    map_abd, &cksums[written], flags);
+			    buf_offset, map_abd, &cksums[written], flags);
 
 			map_abd = abd_alloc_linear(SPA_MAXBLOCKSIZE, B_TRUE);
 			written++;
@@ -1352,7 +1366,7 @@ vdev_anyraid_write_map_sync(vdev_t *vd, zio_t *pio, uint64_t txg,
 	rw_exit(&var->vd_lock);
 
 	abd_return_buf_copy(map_abd, buf, SPA_MAXBLOCKSIZE);
-	map_write_issue(zio, vd, base_offset, written, map_abd,
+	map_write_issue(zio, vd, base_offset, written, buf_offset, map_abd,
 	    &cksums[written], flags);
 
 	if (zio_wait(zio))
@@ -1385,7 +1399,9 @@ vdev_anyraid_write_map_sync(vdev_t *vd, zio_t *pio, uint64_t txg,
 		    var->vd_checkpoint_tile);
 	}
 	size_t packed_size;
-	char *packed = fnvlist_pack(header, &packed_size);
+	char *packed;
+	VERIFY0(nvlist_pack(header, &packed, &packed_size, NV_ENCODE_XDR,
+	    KM_SLEEP));
 	ASSERT3U(packed_size, <, nvl_bytes);
 	memcpy(header_buf, packed, packed_size);
 	fnvlist_pack_free(packed, packed_size);