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fix: avoid an extra rename when there is no dataDir (#11964)

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also perform globalSync() in defer when enabled
for RenameData(), to ensure all calls are flushed
to disk.
This commit is contained in:
Harshavardhana 2021-04-05 08:52:28 -07:00 committed by GitHub
parent 09ee303244
commit 5cce9361bc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 13 additions and 15 deletions
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24
cmd/xl-storage.go
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@ -1143,6 +1143,7 @@ func (s *xlStorage) readAllData(volumeDir string, filePath string, requireDirect
if err != nil {
err = osErrToFileErr(err)
}
return buf, err
}
@ -1811,6 +1812,14 @@ func (s *xlStorage) Delete(ctx context.Context, volume string, path string, recu
// RenameData - rename source path to destination path atomically, metadata and data directory.
func (s *xlStorage) RenameData(ctx context.Context, srcVolume, srcPath, dataDir, dstVolume, dstPath string) (err error) {
defer func() {
if err == nil {
if s.globalSync {
globalSync()
}
}
}()
srcVolumeDir, err := s.getVolDir(srcVolume)
if err != nil {
return err
@ -1984,11 +1993,6 @@ func (s *xlStorage) RenameData(ctx context.Context, srcVolume, srcPath, dataDir,
return osErrToFileErr(err)
}
if s.globalSync {
// Sync all the previous directory operations.
globalSync()
}
for _, entry := range entries {
// Skip xl.meta renames further, also ignore any directories such as `legacyDataDir`
if entry == xlStorageFormatFile || strings.HasSuffix(entry, slashSeparator) {
@ -1999,11 +2003,6 @@ func (s *xlStorage) RenameData(ctx context.Context, srcVolume, srcPath, dataDir,
return osErrToFileErr(err)
}
}
// Sync all the metadata operations once renames are done.
if s.globalSync {
globalSync()
}
}
var oldDstDataPath string
@ -2032,13 +2031,12 @@ func (s *xlStorage) RenameData(ctx context.Context, srcVolume, srcPath, dataDir,
return err
}
// renameAll only for objects that have xl.meta not saved inline.
if len(fi.Data) == 0 && fi.Size > 0 {
if oldDstDataPath != "" {
renameAll(oldDstDataPath, pathutil.Join(s.diskPath, minioMetaTmpDeletedBucket, mustGetUUID()))
}
renameAll(dstDataPath, pathutil.Join(s.diskPath, minioMetaTmpDeletedBucket, mustGetUUID()))
// renameAll only for objects that have xl.meta not saved inline.
if len(fi.Data) == 0 && fi.Size > 0 {
if err = renameAll(srcDataPath, dstDataPath); err != nil {
logger.LogIf(ctx, err)
return osErrToFileErr(err)