//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package disk

import (
	"os"
	"syscall"

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

// Fdatasync - fdatasync() is similar to fsync(), but does not flush modified metadata
// unless that metadata is needed in order to allow a subsequent data retrieval

          },
          "exemplar": true,
          "expr": "rate(minio_node_syscall_write_total{job=~\"$scrape_jobs\"}[$__rate_interval])",
          "interval": "",
          "legendFormat": "Write Syscalls [{{server}}]",
          "refId": "B"
        }
      ],
      "title": "Syscalls",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",

			// directory" error message. Handle this specifically
			// here.
			return errFileAccessDenied
		}
	}
	return err
}

// Reliably retries os.RemoveAll if for some reason os.RemoveAll returns
// syscall.ENOTEMPTY (children has files).
func reliableRemoveAll(dirPath string) (err error) {
	i := 0
	for {
		// Removes all the directories and files.
		if err = RemoveAll(dirPath); err != nil {

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

package http

import (
	"context"
	"crypto/tls"
	"crypto/x509"
	"net/http"
	"syscall"
	"time"

	"github.com/minio/pkg/v2/certs"
)

// tlsClientSessionCacheSize is the cache size for client sessions.
var tlsClientSessionCacheSize = 100

// ConnSettings - contains connection settings.

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package http

import (
	"context"
	"fmt"
	"net"
	"syscall"
	"time"

	"github.com/minio/minio/internal/deadlineconn"
)

type acceptResult struct {
	conn net.Conn
	err  error
	lidx int
}

		Name:      readTotal,
		Help:      "Total read SysCalls to the kernel. /proc/[pid]/io syscr",
		Type:      counterMetric,
	}
}

func getMinIOProcessSysCallWMD() MetricDescription {
	return MetricDescription{
		Namespace: nodeMetricNamespace,
		Subsystem: sysCallSubsystem,
		Name:      writeTotal,
		Help:      "Total write SysCalls to the kernel. /proc/[pid]/io syscw",
		Type:      counterMetric,

      - name: Build on ${{ matrix.os }}
        if: matrix.os == 'ubuntu-latest'
        env:
          CGO_ENABLED: 0
          GO111MODULE: on
        run: |
          sudo sysctl net.ipv6.conf.all.disable_ipv6=0
          sudo sysctl net.ipv6.conf.default.disable_ipv6=0

        if: matrix.os == 'ubuntu-latest'
        env:
          CGO_ENABLED: 0
          GO111MODULE: on
        run: |
          sudo apt install jq -y
          sudo sysctl net.ipv6.conf.all.disable_ipv6=0
          sudo sysctl net.ipv6.conf.default.disable_ipv6=0
          make
          make test

		}
	}
	secureConn = true

	// Certs might be symlinks, reload them every 10 seconds.
	manager.UpdateReloadDuration(10 * time.Second)

	// syscall.SIGHUP to reload the certs.
	manager.ReloadOnSignal(syscall.SIGHUP)

	return x509Certs, manager, secureConn, nil
}

// contextCanceled returns whether a context is canceled.
func contextCanceled(ctx context.Context) bool {

			in := io.Reader(hashReader)
			if size > encryptBufferThreshold {
				// The encryption reads in blocks of 64KB.
				// We add a buffer on bigger files to reduce the number of syscalls upstream.
				in = bufio.NewReaderSize(hashReader, encryptBufferSize)
			}
			reader, err = sio.EncryptReader(in, sio.Config{Key: partEncryptionKey[:], CipherSuites: fips.DARECiphers()})
			if err != nil {