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Diffstat (limited to 'blockdev.c')
-rw-r--r--blockdev.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/blockdev.c b/blockdev.c
index 511260ce93..7b87bd8a71 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2546,6 +2546,7 @@ void qmp_blockdev_change_medium(bool has_device, const char *device,
BlockBackend *blk;
BlockDriverState *medium_bs = NULL;
int bdrv_flags;
+ bool detect_zeroes;
int rc;
QDict *options = NULL;
Error *err = NULL;
@@ -2585,8 +2586,12 @@ void qmp_blockdev_change_medium(bool has_device, const char *device,
abort();
}
+ options = qdict_new();
+ detect_zeroes = blk_get_detect_zeroes_from_root_state(blk);
+ qdict_put(options, "detect-zeroes",
+ qstring_from_str(detect_zeroes ? "on" : "off"));
+
if (has_format) {
- options = qdict_new();
qdict_put(options, "driver", qstring_from_str(format));
}
@@ -2623,8 +2628,6 @@ void qmp_blockdev_change_medium(bool has_device, const char *device,
goto fail;
}
- blk_apply_root_state(blk, medium_bs);
-
qmp_blockdev_close_tray(has_device, device, has_id, id, errp);
fail: