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authorPaolo Bonzini <pbonzini@redhat.com>2013-01-22 09:03:13 +0100
committerKevin Wolf <kwolf@redhat.com>2013-01-25 18:18:34 +0100
commit08e4ed6cdeeee7912072cf14aa8ab6c60dacb4fb (patch)
tree476d2229546a51ab953db9d1622ae7ffa72f82f1 /qmp-commands.hx
parentbd48bde8f0fa08dfc8edcafc2bc8aa6d43734463 (diff)
mirror: add buf-size argument to drive-mirror
This makes sense when the next commit starts using the extra buffer space to perform many I/O operations asynchronously. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qmp-commands.hx')
-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