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fs: Re-implement object layer to remember the fd (#3509)

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This patch re-writes FS backend to support shared backend sharing locks for safe concurrent access across multiple servers.
This commit is contained in:
Harshavardhana
2017-01-16 17:05:00 -08:00
committed by GitHub
parent a054c73e22
commit 1c699d8d3f
68 changed files with 3860 additions and 1580 deletions
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18
cmd/xl-v1.go
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@@ -76,6 +76,24 @@ type xlObjects struct {
// list of all errors that can be ignored in tree walk operation in XL
var xlTreeWalkIgnoredErrs = append(baseIgnoredErrs, errDiskAccessDenied, errVolumeNotFound, errFileNotFound)
// newXLObjectLayer - initialize any object layer depending on the number of disks.
func newXLObjectLayer(storageDisks []StorageAPI) (ObjectLayer, error) {
// Initialize XL object layer.
objAPI, err := newXLObjects(storageDisks)
fatalIf(err, "Unable to initialize XL object layer.")
// Initialize and load bucket policies.
err = initBucketPolicies(objAPI)
fatalIf(err, "Unable to load all bucket policies.")
// Initialize a new event notifier.
err = initEventNotifier(objAPI)
fatalIf(err, "Unable to initialize event notification.")
// Success.
return objAPI, nil
}
// newXLObjects - initialize new xl object layer.
func newXLObjects(storageDisks []StorageAPI) (ObjectLayer, error) {
if storageDisks == nil {