github.com/Mirantis/virtlet@v1.5.2-0.20191204181327-1659b8a48e9b/pkg/fs/fsstat_linux.go (about) 1 // +build linux 2 3 /* 4 Copyright 2019 Mirantis 5 6 Licensed under the Apache License, Version 2.0 (the "License"); 7 you may not use this file except in compliance with the License. 8 You may obtain a copy of the License at 9 10 http://www.apache.org/licenses/LICENSE-2.0 11 12 Unless required by applicable law or agreed to in writing, software 13 distributed under the License is distributed on an "AS IS" BASIS, 14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 See the License for the specific language governing permissions and 16 limitations under the License. 17 */ 18 19 package fs 20 21 import ( 22 "syscall" 23 ) 24 25 // GetFsStatsForPath returns the info about inode usage and space usage 26 // (in bytes) for the filesystem that contains the provided path. 27 func GetFsStatsForPath(path string) (uint64, uint64, error) { 28 fs := syscall.Statfs_t{} 29 if err := syscall.Statfs(path, &fs); err != nil { 30 return 0, 0, err 31 } 32 return (fs.Blocks - fs.Bfree) * uint64(fs.Bsize), fs.Files - fs.Ffree, nil 33 }