diff options
Diffstat (limited to 'internal/fusefrontend_reverse/file.go')
| -rw-r--r-- | internal/fusefrontend_reverse/file.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/internal/fusefrontend_reverse/file.go b/internal/fusefrontend_reverse/file.go index 55f5f80..294872f 100644 --- a/internal/fusefrontend_reverse/file.go +++ b/internal/fusefrontend_reverse/file.go @@ -68,3 +68,14 @@ func (f *File) Read(ctx context.Context, buf []byte, ioff int64) (resultData fus func (f *File) Release(context.Context) syscall.Errno { return fs.ToErrno(f.fd.Close()) } + +// Lseek - FUSE call. +func (f *File) Lseek(ctx context.Context, off uint64, whence uint32) (uint64, syscall.Errno) { + plainOff := f.contentEnc.CipherSizeToPlainSize(off) + newPlainOff, err := syscall.Seek(int(f.fd.Fd()), int64(plainOff), int(whence)) + if err != nil { + return 0, fs.ToErrno(err) + } + newOff := f.contentEnc.PlainSizeToCipherSize(uint64(newPlainOff)) + return newOff, 0 +} |