}

// DisableDirectIO - disables directio mode.
func DisableDirectIO(f *os.File) error {
	fd := f.Fd()
	flag, err := unix.FcntlInt(fd, unix.F_GETFL, 0)
	if err != nil {
		return err
	}
	flag &= ^(syscall.O_DIRECT)
	_, err = unix.FcntlInt(fd, unix.F_SETFL, flag)
	return err
}

// AlignedBlock - pass through to directio implementation.
func AlignedBlock(blockSize int) []byte {

package cmd

import (
	"bytes"
	"fmt"
	"os"
	"strings"
	"sync"
	"syscall"
	"unsafe"

	"golang.org/x/sys/unix"
)

func access(name string) error {
	if err := unix.Access(name, unix.F_OK); err != nil {
		return &os.PathError{Op: "lstat", Path: name, Err: err}
	}
	return nil
}

// openFileWithFD return 'fd' based file descriptor

Eng Zer Jun <******@****.***> 1658777846 +0800

package disk

import (
	"errors"
	"fmt"

	"golang.org/x/sys/unix"
)

// GetInfo returns total and free bytes available in a directory, e.g. `/`.
func GetInfo(path string, _ bool) (info Info, err error) {
	s := unix.Statvfs_t{}
	if err = unix.Statvfs(path, &s); err != nil {
		return Info{}, err
	}
	reservedBlocks := uint64(s.Bfree) - uint64(s.Bavail)
	info = Info{

	st := syscall.Stat_t{}
	err = syscall.Stat(path, &st)
	if err != nil {
		return Info{}, err
	}
	//nolint:unconvert
	devID := uint64(st.Dev) // Needed to support multiple GOARCHs
	info.Major = unix.Major(devID)
	info.Minor = unix.Minor(devID)

	// Check for overflows.
	// https://github.com/minio/minio/issues/8035
	// XFS can show wrong values at times error out
	// in such scenarios.
	if info.Free > info.Total {

			queryParams: map[string]string{
				"Expires":        fmt.Sprintf("%d", now.Unix()+60),
				"Signature":      "badsignature",
				"AWSAccessKeyId": accessKey,
			},
			expected: ErrSignatureDoesNotMatch,
		},
		// (5) Should error when the signature does not match.
		{
			queryParams: map[string]string{
				"Expires":        fmt.Sprintf("%d", now.Unix()+60),
				"Signature":      "zOM2YrY/yAQe15VWmT78OlBrK6g=",

}

// SetAudience sets audience for these claims
func (c *StandardClaims) SetAudience(aud string) {
	c.Audience = aud
}

// SetExpiry sets expiry in unix epoch secs
func (c *StandardClaims) SetExpiry(t time.Time) {
	c.ExpiresAt = t.Unix()
}

// SetAccessKey sets access key as jwt subject and custom
// "accessKey" field.
func (c *StandardClaims) SetAccessKey(accessKey string) {
	c.Subject = accessKey

		return err
	}

	defaultExpiryDuration, err := GetDefaultExpiration(dsecs)
	if err != nil {
		return err
	}

	claims["exp"] = time.Now().UTC().Add(defaultExpiryDuration).Unix() // update with new expiry.
	return nil
}

const (
	audClaim = "aud"
	azpClaim = "azp"
)

// Validate - validates the id_token.

}

// addSize will add a duration and size.
func (e *lockedLastMinuteLatency) addSize(value time.Duration, sz int64) {
	// alloc on every call, so we have a clean entry to swap in.
	t := time.Now().Unix()
	e.init.Do(func() {
		e.cached.Store(&AccElem{})
		atomic.StoreInt64(&e.cachedSec, t)
	})
	acc := e.cached.Load()
	if lastT := atomic.LoadInt64(&e.cachedSec); lastT != t {

	globalObjectPerfBucket       = "minio-perf-test-tmp-bucket"
	globalObjectPerfUserMetadata = "X-Amz-Meta-Minio-Object-Perf" // Clients can set this to bypass S3 API service freeze. Used by object pref tests.

	// MinIO version unix timestamp
	globalVersionUnix uint64

	// MinIO client
	globalMinioClient *minio.Client

	// Public key for subnet confidential information