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| author | Paolo Bonzini <pbonzini@redhat.com> | 2013-01-22 09:03:13 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2013-01-25 18:18:34 +0100 |
| commit | 08e4ed6cdeeee7912072cf14aa8ab6c60dacb4fb (patch) | |
| tree | 476d2229546a51ab953db9d1622ae7ffa72f82f1 /qmp-commands.hx | |
| parent | bd48bde8f0fa08dfc8edcafc2bc8aa6d43734463 (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.hx | 4 |
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 |