github.com/whtcorpsinc/milevadb-prod@v0.0.0-20211104133533-f57f4be3b597/soliton/sys/storage/sys_posix.go (about)

     1  // Copyright 2020 WHTCORPS INC, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  // +build linux darwin
    15  
    16  package storage
    17  
    18  import "syscall"
    19  
    20  // GetTargetDirectoryCapacity get the capacity (bytes) of directory
    21  func GetTargetDirectoryCapacity(path string) (uint64, error) {
    22  	var stat syscall.Statfs_t
    23  	err := syscall.Statfs(path, &stat)
    24  	if err != nil {
    25  		return 0, err
    26  	}
    27  	c := stat.Bavail * uint64(stat.Bsize)
    28  	return c, nil
    29  }