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qemu: bulk stats: Ignore errors from missing/inaccessible disks

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Rather than erroring out make the best attempt to retrieve other data if
disks are inaccessible or missing. The failure will still be logged
though.

Since the bulk stats API is called on multiple domains an error like
this makes the API unusable. This regression was introduced by commit
596a13713420e01b20ce3dc3fdbe06d073682675

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1209394
This commit is contained in:
Peter Krempa 2015-04-15 18:14:30 +02:00
parent 7cf87f750b
commit 25aa7035d3
1 changed files with 6 additions and 1 deletions
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7
src/qemu/qemu_driver.c
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@ -19301,8 +19301,13 @@ qemuDomainGetStatsOneBlock(virQEMUDriverPtr driver,
ret = 0;
goto cleanup;
}
if (qemuStorageLimitsRefresh(driver, cfg, dom, src) < 0)
if (qemuStorageLimitsRefresh(driver, cfg, dom, src) < 0) {
virResetLastError();
ret = 0;
goto cleanup;
}
if (src->allocation)
QEMU_ADD_BLOCK_PARAM_ULL(record, maxparams, block_idx,
"allocation", src->allocation);