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virsh: blockpull: Support --bytes and scaled integers

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Use vshBlockJobOptionBandwidth to parse the bandwidth value which will
allow users to specify bandwidth in bytes or as a scaled integer.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1288000
This commit is contained in:
Peter Krempa 2016-03-17 13:41:00 +01:00
parent 453a6d8092
commit d40d18fb8f
2 changed files with 17 additions and 7 deletions
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15
tools/virsh-domain.c
View File

@ -2761,6 +2761,10 @@ static const vshCmdOptDef opts_block_pull[] = {
.type = VSH_OT_BOOL,
.help = N_("keep the backing chain relatively referenced")
},
{.name = "bytes",
.type = VSH_OT_BOOL,
.help = N_("the bandwidth limit is in bytes/s rather than MiB/s")
},
{.name = NULL}
};
@ -2772,6 +2776,7 @@ cmdBlockPull(vshControl *ctl, const vshCmd *cmd)
bool blocking = vshCommandOptBool(cmd, "wait");
bool verbose = vshCommandOptBool(cmd, "verbose");
bool async = vshCommandOptBool(cmd, "async");
bool bytes = vshCommandOptBool(cmd, "bytes");
int timeout = 0;
const char *path = NULL;
const char *base = NULL;
@ -2788,7 +2793,7 @@ cmdBlockPull(vshControl *ctl, const vshCmd *cmd)
if (vshCommandOptStringReq(ctl, cmd, "base", &base) < 0)
return false;
if (vshCommandOptULWrap(ctl, cmd, "bandwidth", &bandwidth) < 0)
if (vshBlockJobOptionBandwidth(ctl, cmd, bytes, &bandwidth) < 0)
return false;
if (vshCommandOptTimeoutToMs(ctl, cmd, &timeout) < 0)
@ -2806,10 +2811,16 @@ cmdBlockPull(vshControl *ctl, const vshCmd *cmd)
goto cleanup;
if (base || flags) {
if (bytes)
flags |= VIR_DOMAIN_BLOCK_REBASE_BANDWIDTH_BYTES;
if (virDomainBlockRebase(dom, path, base, bandwidth, flags) < 0)
goto cleanup;
} else {
if (virDomainBlockPull(dom, path, bandwidth, 0) < 0)
if (bytes)
flags |= VIR_DOMAIN_BLOCK_PULL_BANDWIDTH_BYTES;
if (virDomainBlockPull(dom, path, bandwidth, flags) < 0)
goto cleanup;
}

9
tools/virsh.pod
View File

@ -1049,7 +1049,7 @@ within a certain range. Specifying I<buf-size> will control how much data can
be simultaneously in-flight during the copy; larger values use more memory but
may allow faster completion (the default value is usually correct).
=item B<blockpull> I<domain> I<path> [I<bandwidth>] [I<base>]
=item B<blockpull> I<domain> I<path> [I<bandwidth>] [I<--bytes>] [I<base>]
[I<--wait> [I<--verbose>] [I<--timeout> B<seconds>] [I<--async>]]
[I<--keep-relative>]
@ -1078,10 +1078,9 @@ I<path> specifies fully-qualified path of the disk; it corresponds
to a unique target name (<target dev='name'/>) or source file (<source
file='name'/>) for one of the disk devices attached to I<domain> (see
also B<domblklist> for listing these names).
I<bandwidth> specifies copying bandwidth limit in MiB/s. Specifying a negative
value is interpreted as an unsigned long long value or essentially
unlimited. The hypervisor can choose whether to reject the value or
convert it to the maximum value allowed.
I<bandwidth> specifies copying bandwidth limit in MiB/s. For further information
on the I<bandwidth> argument see the corresponding section for the B<blockjob>
command.
=item B<blkdeviotune> I<domain> I<device>
[[I<--config>] [I<--live>] | [I<--current>]]