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| author | Anthony Liguori <aliguori@us.ibm.com> | 2013-01-28 14:46:45 -0600 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-01-28 14:46:45 -0600 |
| commit | 503cb22e055dcf477f9147fa1a3b8ae17c86c9b0 (patch) | |
| tree | 8f3a92ac9041eaf4180da135280daa266955cad8 /qmp-commands.hx | |
| parent | 6cebf7afac9287f7bcaeb0d8fd64fd7b75e3fa2c (diff) | |
| parent | 67bec53d9f2ccd3aa7d37a7e0689122587929220 (diff) | |
| download | qemu-503cb22e055dcf477f9147fa1a3b8ae17c86c9b0.tar.gz | |
Merge remote-tracking branch 'kwolf/for-anthony' into staging
# By Paolo Bonzini (14) and others
# Via Kevin Wolf
* kwolf/for-anthony: (24 commits)
ide: Add fall through annotations
block: Create proper size file for disk mirror
ahci: Add migration support
ahci: Change data types in preparation for migration
ahci: Remove unused AHCIDevice fields
hbitmap: add assertion on hbitmap_iter_init
mirror: do nothing on zero-sized disk
block/vdi: Check for bad signature
block/vdi: Improved return values from vdi_open
block/vdi: Improve debug output for signature
block: Use error code EMEDIUMTYPE for wrong format in some block drivers
block: Add special error code for wrong format
mirror: support arbitrarily-sized iterations
mirror: support more than one in-flight AIO operation
mirror: add buf-size argument to drive-mirror
mirror: switch mirror_iteration to AIO
mirror: allow customizing the granularity
block: allow customizing the granularity of the dirty bitmap
block: return count of dirty sectors, not chunks
mirror: perform COW if the cluster size is bigger than the granularity
...
Diffstat (limited to 'qmp-commands.hx')
| -rw-r--r-- | qmp-commands.hx | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/qmp-commands.hx b/qmp-commands.hx index f0f7d2b395..f58a8411ea 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -1004,7 +1004,8 @@ 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?", + "on-source-error:s?,on-target-error:s?," + "granularity:i?,buf-size:i?", .mhandler.cmd_new = qmp_marshal_input_drive_mirror, }, @@ -1028,6 +1029,9 @@ Arguments: file/device (NewImageMode, optional, default 'absolute-paths') - "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 @@ -1037,6 +1041,10 @@ Arguments: - "on-target-error": the action to take on an error on the target (BlockdevOnError, default 'report') +The default value of the granularity is the image cluster size clamped +between 4096 and 65536, if the image format defines one. If the format +does not define a cluster size, the default value of the granularity +is 65536. Example: |