motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 07:43:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

qmp: add block_job_set_speed command

Browse source 
Add block_job_set_speed, which sets the maximum speed for a background
block operation.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2012-01-18 14:40:47 +00:00 • committed by Kevin Wolf
parent 12bd451fe0
commit 2d47c6e9aa
6 changed files with 79 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

25
blockdev.c
View file

@ -964,3 +964,28 @@ void qmp_block_stream(const char *device, bool has_base,
trace_qmp_block_stream(bs, bs->job);
}
static BlockJob *find_block_job(const char *device)
{
BlockDriverState *bs;
bs = bdrv_find(device);
if (!bs || !bs->job) {
return NULL;
}
return bs->job;
}
void qmp_block_job_set_speed(const char *device, int64_t value, Error **errp)
{
BlockJob *job = find_block_job(device);
if (!job) {
error_set(errp, QERR_DEVICE_NOT_ACTIVE, device);
return;
}
if (block_job_set_speed(job, value) < 0) {
error_set(errp, QERR_NOT_SUPPORTED);
}
}