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-rw-r--r--qmp-commands.hx4
1 files changed, 3 insertions, 1 deletions
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 835ea26e9d..273b4a67ba 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -939,7 +939,7 @@ EQMP
.name = "drive-mirror",
.args_type = "sync:s,device:B,target:s,speed:i?,mode:s?,format:s?,"
"on-source-error:s?,on-target-error:s?,"
- "granularity:i?",
+ "granularity:i?,buf-size:i?",
.mhandler.cmd_new = qmp_marshal_input_drive_mirror,
},
@@ -964,6 +964,8 @@ Arguments:
- "speed": maximum speed of the streaming job, in bytes per second
(json-int)
- "granularity": granularity of the dirty bitmap, in bytes (json-int, optional)
+- "buf_size": maximum amount of data in flight from source to target, in bytes
+ (json-int, default 10M)
- "sync": what parts of the disk image should be copied to the destination;
possibilities include "full" for all the disk, "top" for only the sectors
allocated in the topmost image, or "none" to only replicate new I/O