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mscluster: reuse control buffers and cut per-property allocations (#2673)

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Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2026-10-11 13:52:55 +02:00
committed by GitHub
co-authored by Claude Opus 5.5
parent a8adb6d7bc
commit 930609b0e5
11 changed files with 541 additions and 74 deletions
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internal/headers/clusapi/storage.go
+2 -2
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@@ -95,7 +95,7 @@ func (c *Cluster) readResourcePartitions(name objectName, deadline time.Time) (_
}
}()
data, err := resourceBuffer(handle, resourceGetClassInfo, 8, deadline)
data, err := c.scratch.resourceControl(handle, resourceGetClassInfo, 8, deadline)
if err != nil {
return nil, fmt.Errorf("class information: %w", err)
}
@@ -104,7 +104,7 @@ func (c *Cluster) readResourcePartitions(name objectName, deadline time.Time) (_
return nil, nil
}
data, err = resourceBuffer(handle, resourceStorageGetDiskInfoEx, propertyListBufferSize, deadline)
data, err = c.scratch.resourceControl(handle, resourceStorageGetDiskInfoEx, propertyListBufferSize, deadline)
if errors.Is(err, windows.ERROR_INVALID_FUNCTION) || errors.Is(err, windows.ERROR_NOT_SUPPORTED) {
// Storage class resources such as storage pools have no disk layout.
return nil, nil