// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
)

// RenameSys is low level call in case of non-Linux this just uses os.Rename()
func RenameSys(src, dst string) (err error) {
	return os.Rename(src, dst)

package cmd

import (
	"syscall"
)

// RenameSys is low level call in case of Linux this uses syscall.Rename() directly.
func RenameSys(src, dst string) (err error) {
	return syscall.Rename(src, dst)

	return osMkdirAll(dirPath, mode, baseDir)
}

// Rename captures time taken to call os.Rename
func Rename(src, dst string) (err error) {
	defer updateOSMetrics(osMetricRename, src, dst)(err)
	return RenameSys(src, dst)
}

// OpenFile captures time taken to call os.OpenFile
func OpenFile(name string, flag int, perm os.FileMode) (f *os.File, err error) {
	switch flag & writeMode {

		plSize += len(key) + len(value) + msgp.StringPrefixSize + msgp.ArrayHeaderSize
	}

	// Reserialize...
	x.serialize(plSize, keys, vals)
}

// rename will rename a key.
// Returns whether the key was found.
func (x *xlMetaInlineData) rename(oldKey, newKey string) bool {
	in := x.afterVersion()
	sz, buf, _ := msgp.ReadMapHeaderBytes(in)
	keys := make([][]byte, 0, sz)
	vals := make([][]byte, 0, sz)

// verification is empty or invalid.
var errBitrotHashAlgoInvalid = StorageErr("bit-rot hash algorithm is invalid")

// errCrossDeviceLink - rename across devices not allowed.
var errCrossDeviceLink = StorageErr("Rename across devices not allowed, please fix your backend configuration")

// errLessData - returned when less data available than what was requested.

	if fi, err = f.Stat(); err != nil {
		return err
	}
	f.Close() // close before rename()

	// Skip renaming active journal if empty.
	if fi.Size() == tierJournalHdrLen {
		return os.Remove(jd.JournalPath())
	}

	jPath := jd.JournalPath()
	jroPath := jd.ReadOnlyPath()
	// Rotate active journal to perform pending deletes.
	return os.Rename(jPath, jroPath)
}

				if baseDir != "" && nbaseDir != "" && nbaseDir != SlashSeparator {
					baseDir = nbaseDir
				}
				continue
			}
		}
		break
	}
	return err
}

// Wrapper function to os.Rename, which calls reliableMkdirAll
// and reliableRenameAll. This is to ensure that if there is a
// racy parent directory delete in between we can simply retry
// the operation.

				for _, entry := range legacyEntries {
					// Skip xl.meta renames further, also ignore any directories such as `legacyDataDir`
					if entry == xlStorageFormatFile || strings.HasSuffix(entry, slashSeparator) {
						continue
					}

					if err = Rename(pathJoin(currentDataPath, entry), pathJoin(legacyDataPath, entry)); err != nil {
						// Any failed rename calls un-roll previous transaction.

	UndoWrite bool `msg:"u"`
	// OldDataDir of the previous object
	OldDataDir string `msg:"o,omitempty"` // old data dir used only when to revert a rename()
}

// BaseOptions represents common options for all Storage API calls
type BaseOptions struct{}

// RenameOptions represents rename API options, currently its same as BaseOptions
type RenameOptions struct {
	BaseOptions
}

	"time"

	xioutil "github.com/minio/minio/internal/ioutil"
)

func renameAllBucketMetacache(epPath string) error {
	// Rename all previous `.minio.sys/buckets/<bucketname>/.metacache` to
	// to `.minio.sys/tmp/` for deletion.
	return readDirFn(pathJoin(epPath, minioMetaBucket, bucketMetaPrefix), func(name string, typ os.FileMode) error {
		if typ == os.ModeDir {
			tmpMetacacheOld := pathutil.Join(epPath, minioMetaTmpDeletedBucket, mustGetUUID())