@@ -896,6 +896,24 @@ void qmp_block_passwd(const char *device, const char *password, Error **errp)
}
}
+void qmp_block_pause_dedup(const char *device, Error **errp)
+{
+ BlockDriverState *bs;
+ int err;
+
+ bs = bdrv_find(device);
+ if (!bs) {
+ error_set(errp, QERR_DEVICE_NOT_FOUND, device);
+ return;
+ }
+
+ err = bdrv_pause_dedup(bs);
+ if (err == -EINVAL) {
+ error_set(errp, QERR_DEVICE_NOT_DEDUPLICATED, bdrv_get_device_name(bs));
+ return;
+ }
+}
+
static void qmp_bdrv_open_encrypted(BlockDriverState *bs, const char *filename,
int bdrv_flags, BlockDriver *drv,
const char *password, Error **errp)
@@ -720,6 +720,24 @@
{ 'command': 'query-block', 'returns': ['BlockInfo'] }
##
+# @block-pause-dedup:
+#
+# This command pause the deduplication on a device that support it.
+#
+# @device: the name of the device to pause the deduplication on
+#
+# Returns: nothing on success
+# If @device is not a valid block device, DeviceNotFound
+# If @device is not deduplicated, DeviceNotDeduplicated
+#
+# Notes: Not all block formats support deduplication one must use
+# query-blockstats before and look at the optional deduplication field.
+#
+# Since: 1.5
+##
+{ 'command': 'block-pause-dedup', 'data': {'device': 'str' } }
+
+##
# @BlockDeviceDedupInfo
#
# Statistics of the deduplication on a virtual block device implementing it
@@ -1236,6 +1236,29 @@ Example:
EQMP
{
+ .name = "block-pause-dedup",
+ .args_type = "device:B",
+ .mhandler.cmd_new = qmp_marshal_input_block_pause_dedup,
+ },
+
+SQMP
+block-pause-dedup
+------------
+
+Pause the deduplication on a device that support it.
+
+Arguments:
+
+- "device": device name (json-string)
+
+Example:
+
+-> { "execute": "block-pause-dedup", "arguments": { "device": "ide0-hd0" } }
+<- { "return": {} }
+
+EQMP
+
+ {
.name = "block_set_io_throttle",
.args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
.mhandler.cmd_new = qmp_marshal_input_block_set_io_throttle,