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xl: Delete older data-dir when replacing an existing version-id (#16176)

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Anis Elleuch 2022-12-06 22:43:18 +01:00 committed by GitHub
parent 932d2c3c62
commit 1bae32dc96
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1 changed files with 33 additions and 26 deletions
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59
cmd/xl-storage.go
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@ -2329,35 +2329,42 @@ func (s *xlStorage) RenameData(ctx context.Context, srcVolume, srcPath string, f
} }
} }
var oldDstDataPath string var oldDstDataPath, reqVID string
if fi.VersionID == "" { if fi.VersionID == "" {
// return the latest "null" versionId info reqVID = nullVersionID
ofi, err := xlMeta.ToFileInfo(dstVolume, dstPath, nullVersionID) } else {
if err == nil && !ofi.Deleted { reqVID = fi.VersionID
if xlMeta.SharedDataDirCountStr(nullVersionID, ofi.DataDir) == 0 { }
// Purge the destination path as we are not preserving anything
// versioned object was not requested. // Replace the data of null version or any other existing version-id
oldDstDataPath = pathJoin(dstVolumeDir, dstPath, ofi.DataDir) ofi, err := xlMeta.ToFileInfo(dstVolume, dstPath, reqVID)
// if old destination path is same as new destination path if err == nil && !ofi.Deleted {
// there is nothing to purge, this is true in case of healing if xlMeta.SharedDataDirCountStr(reqVID, ofi.DataDir) == 0 {
// avoid setting oldDstDataPath at that point. // Purge the destination path as we are not preserving anything
if oldDstDataPath == dstDataPath { // versioned object was not requested.
oldDstDataPath = "" oldDstDataPath = pathJoin(dstVolumeDir, dstPath, ofi.DataDir)
} // if old destination path is same as new destination path
xlMeta.data.remove(nullVersionID, ofi.DataDir) // there is nothing to purge, this is true in case of healing
// avoid setting oldDstDataPath at that point.
if oldDstDataPath == dstDataPath {
oldDstDataPath = ""
} else {
xlMeta.data.remove(reqVID, ofi.DataDir)
} }
} }
// Empty fi.VersionID indicates that versioning is either }
// suspended or disabled on this bucket. RenameData will replace
// the 'null' version. We add a free-version to track its tiered // Empty fi.VersionID indicates that versioning is either
// content for asynchronous deletion. // suspended or disabled on this bucket. RenameData will replace
if !fi.IsRestoreObjReq() { // the 'null' version. We add a free-version to track its tiered
// Note: Restore object request reuses PutObject/Multipart // content for asynchronous deletion.
// upload to copy back its data from the remote tier. This if fi.VersionID == "" && !fi.IsRestoreObjReq() {
// doesn't replace the existing version, so we don't need to add // Note: Restore object request reuses PutObject/Multipart
// a free-version. // upload to copy back its data from the remote tier. This
xlMeta.AddFreeVersion(fi) // doesn't replace the existing version, so we don't need to add
} // a free-version.
xlMeta.AddFreeVersion(fi)
} }
// indicates if RenameData() is called by healing. // indicates if RenameData() is called by healing.