2019-08-28 15:59:42 +00:00
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// +build windows
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package storage
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import (
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2019-10-25 06:41:32 +00:00
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"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map"
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2019-08-28 15:59:42 +00:00
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"golang.org/x/sys/windows"
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2019-09-12 13:18:21 +00:00
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"github.com/chrislusf/seaweedfs/weed/glog"
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2019-11-09 08:10:59 +00:00
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"github.com/chrislusf/seaweedfs/weed/storage/backend"
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2019-10-25 06:41:32 +00:00
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"github.com/chrislusf/seaweedfs/weed/storage/backend/memory_map/os_overloads"
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2019-08-28 15:59:42 +00:00
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)
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2019-11-09 08:10:59 +00:00
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func createVolumeFile(fileName string, preallocate int64, memoryMapSizeMB uint32) (backend.DataStorageBackend, error) {
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2019-09-05 10:46:12 +00:00
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2019-11-09 08:10:59 +00:00
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if preallocate > 0 {
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glog.V(0).Infof("Preallocated disk space for %s is not supported", fileName)
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}
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2019-09-05 10:46:12 +00:00
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2019-11-09 08:10:59 +00:00
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if memoryMapSizeMB > 0 {
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file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT, 0644, true)
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return memory_map.NewMemoryMappedFile(file, memoryMapSizeMB), e
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} else {
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file, e := os_overloads.OpenFile(fileName, windows.O_RDWR|windows.O_CREAT|windows.O_TRUNC, 0644, false)
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return backend.NewDiskFile(file), e
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}
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2019-11-09 08:10:59 +00:00
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2019-08-28 15:59:42 +00:00
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}
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