mirror of
https://github.com/rclone/rclone.git
synced 2024-12-03 05:45:24 +01:00
43 lines
959 B
Go
43 lines
959 B
Go
// Copyright 2019 the Go-FUSE Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package fs
|
|
|
|
import (
|
|
"context"
|
|
"syscall"
|
|
"time"
|
|
|
|
"github.com/hanwen/go-fuse/v2/fuse"
|
|
)
|
|
|
|
func (f *loopbackFile) Allocate(ctx context.Context, off uint64, sz uint64, mode uint32) syscall.Errno {
|
|
f.mu.Lock()
|
|
defer f.mu.Unlock()
|
|
err := syscall.Fallocate(f.fd, mode, int64(off), int64(sz))
|
|
if err != nil {
|
|
return ToErrno(err)
|
|
}
|
|
return OK
|
|
}
|
|
|
|
// Utimens - file handle based version of loopbackFileSystem.Utimens()
|
|
func (f *loopbackFile) utimens(a *time.Time, m *time.Time) syscall.Errno {
|
|
var ts [2]syscall.Timespec
|
|
ts[0] = fuse.UtimeToTimespec(a)
|
|
ts[1] = fuse.UtimeToTimespec(m)
|
|
err := futimens(int(f.fd), &ts)
|
|
return ToErrno(err)
|
|
}
|
|
|
|
func setBlocks(out *fuse.Attr) {
|
|
if out.Blksize > 0 {
|
|
return
|
|
}
|
|
|
|
out.Blksize = 4096
|
|
pages := (out.Size + 4095) / 4096
|
|
out.Blocks = pages * 8
|
|
}
|