OP#792 initial commit after fork

internal/disk/disk.go

@@ -0,0 +1,62 @@
+// 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
+
+// Info stat fs struct is container which holds following values
+// Total - total size of the volume / disk
+// Free - free size of the volume / disk
+// Files - total inodes available
+// Ffree - free inodes available
+// FSType - file system type
+// Major - major dev id
+// Minor - minor dev id
+// Devname - device name
+type Info struct {
+	Total      uint64
+	Free       uint64
+	Used       uint64
+	Files      uint64
+	Ffree      uint64
+	FSType     string
+	Major      uint32
+	Minor      uint32
+	Name       string
+	Rotational *bool
+	NRRequests uint64
+}
+
+// IOStats contains stats of a single drive
+type IOStats struct {
+	ReadIOs        uint64
+	ReadMerges     uint64
+	ReadSectors    uint64
+	ReadTicks      uint64
+	WriteIOs       uint64
+	WriteMerges    uint64
+	WriteSectors   uint64
+	WriteTicks     uint64
+	CurrentIOs     uint64
+	TotalTicks     uint64
+	ReqTicks       uint64
+	DiscardIOs     uint64
+	DiscardMerges  uint64
+	DiscardSectors uint64
+	DiscardTicks   uint64
+	FlushIOs       uint64
+	FlushTicks     uint64
+}