dm linear: eliminate linear_end_io call if CONFIG_DM_ZONED disabled

[mirror_ubuntu-bionic-kernel.git] / drivers / md / dm-linear.c

diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index d5f8eff7c11d88a066d1dd83fe4707b33264cfae..da40b1e852be69cf51b61138eef3e44ddaf616c1 100644 (file)
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -101,6 +101,7 @@ static int linear_map(struct dm_target *ti, struct bio *bio)
        return DM_MAPIO_REMAPPED;
 }
 
+#ifdef CONFIG_DM_ZONED
 static int linear_end_io(struct dm_target *ti, struct bio *bio,
                         blk_status_t *error)
 {
@@ -111,6 +112,7 @@ static int linear_end_io(struct dm_target *ti, struct bio *bio,
 
        return DM_ENDIO_DONE;
 }
+#endif
 
 static void linear_status(struct dm_target *ti, status_type_t type,
                          unsigned status_flags, char *result, unsigned maxlen)
@@ -187,12 +189,16 @@ static size_t linear_dax_copy_from_iter(struct dm_target *ti, pgoff_t pgoff,
 static struct target_type linear_target = {
        .name   = "linear",
        .version = {1, 4, 0},
+#ifdef CONFIG_DM_ZONED
+       .end_io = linear_end_io,
        .features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_ZONED_HM,
+#else
+       .features = DM_TARGET_PASSES_INTEGRITY,
+#endif
        .module = THIS_MODULE,
        .ctr    = linear_ctr,
        .dtr    = linear_dtr,
        .map    = linear_map,
-       .end_io = linear_end_io,
        .status = linear_status,
        .prepare_ioctl = linear_prepare_ioctl,
        .iterate_devices = linear_iterate_devices,