diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_linux.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go index ec7e4c4d3..94dafa4e5 100644 --- a/vendor/golang.org/x/sys/unix/syscall_linux.go +++ b/vendor/golang.org/x/sys/unix/syscall_linux.go @@ -112,6 +112,31 @@ func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) { return &value, err } +// IoctlFileClone performs an FICLONERANGE ioctl operation to clone the range of +// data conveyed in value to the file associated with the file descriptor +// destFd. See the ioctl_ficlonerange(2) man page for details. +func IoctlFileCloneRange(destFd int, value *FileCloneRange) error { + err := ioctl(destFd, FICLONERANGE, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + +// IoctlFileClone performs an FICLONE ioctl operation to clone the entire file +// associated with the file description srcFd to the file associated with the +// file descriptor destFd. See the ioctl_ficlone(2) man page for details. +func IoctlFileClone(destFd, srcFd int) error { + return ioctl(destFd, FICLONE, uintptr(srcFd)) +} + +// IoctlFileClone performs an FIDEDUPERANGE ioctl operation to share the range of +// data conveyed in value with the file associated with the file descriptor +// destFd. See the ioctl_fideduperange(2) man page for details. +func IoctlFileDedupeRange(destFd int, value *FileDedupeRange) error { + err := ioctl(destFd, FIDEDUPERANGE, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + //sys Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error) func Link(oldpath string, newpath string) (err error) { |