rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/disk/stat_netbsd.go

@@ -0,0 +1,47 @@
+// +build netbsd
+
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// 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 (
+	"fmt"
+
+	"golang.org/x/sys/unix"
+)
+
+// GetInfo returns total and free bytes available in a directory, e.g. `/`.
+func GetInfo(path string) (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{
+		Total:  uint64(s.Frsize) * (uint64(s.Blocks) - reservedBlocks),
+		Free:   uint64(s.Frsize) * uint64(s.Bavail),
+		Files:  uint64(s.Files),
+		Ffree:  uint64(s.Ffree),
+		FSType: string(s.Fstypename[:]),
+	}
+	if info.Free > info.Total {
+		return info, fmt.Errorf("detected free space (%d) > total disk space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
+	}
+	info.Used = info.Total - info.Free
+	return info, nil
+}