diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2012-03-06 18:55:59 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2012-03-12 15:14:07 +0100 |
| commit | 6cc2a4157b31c47303da96c5ed7836db3c10def6 (patch) | |
| tree | f31c97b9ca1ffffd7eb7c8aef2ab933b36d3479a /hmp-commands.hx | |
| parent | bc8b094feb61c5f3ad55113f1c9b3288dd843b10 (diff) | |
qmp: convert blockdev-snapshot-sync to a wrapper around transactions
Simplify the blockdev-snapshot-sync code and gain failsafe operation
by turning it into a wrapper around the new transaction command. A new
option is also added matching "mode".
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hmp-commands.hx')
| -rw-r--r-- | hmp-commands.hx | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/hmp-commands.hx b/hmp-commands.hx index ed88877230..6980214a1a 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -882,14 +882,17 @@ ETEXI { .name = "snapshot_blkdev", - .args_type = "device:B,snapshot-file:s?,format:s?", - .params = "device [new-image-file] [format]", + .args_type = "reuse:-n,device:B,snapshot-file:s?,format:s?", + .params = "[-n] device [new-image-file] [format]", .help = "initiates a live snapshot\n\t\t\t" "of device. If a new image file is specified, the\n\t\t\t" "new image file will become the new root image.\n\t\t\t" "If format is specified, the snapshot file will\n\t\t\t" "be created in that format. Otherwise the\n\t\t\t" - "snapshot will be internal! (currently unsupported)", + "snapshot will be internal! (currently unsupported).\n\t\t\t" + "The default format is qcow2. The -n flag requests QEMU\n\t\t\t" + "to reuse the image found in new-image-file, instead of\n\t\t\t" + "recreating it from scratch.", .mhandler.cmd = hmp_snapshot_blkdev, }, |