Update continuity to use sysx branch

Pulls in changes for copy file range

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)

vendor.conf

@@ -68,5 +68,5 @@ github.com/opencontainers/go-digest 21dfd564fd89c944783d00d069f33e3e7123c448
 golang.org/x/sys/unix d75a52659825e75fff6158388dddc6a5b04f9ba5
 # image-spec master as of 1/17/2017
 github.com/opencontainers/image-spec 0ff14aabcda3b2ee62621174f1b29fc157bdf335
-# continuity master as of 1/10/2017
-github.com/stevvooe/continuity 6c9282fa1546987eefc2b123fe087b818d821725
+# continuity master as of 2/1/2017
+github.com/stevvooe/continuity 1530f13d23b34e2ccaf33881fefecc7e28e3577b

vendor/github.com/stevvooe/continuity/sysx/copy_linux.go

@@ -0,0 +1,9 @@
+package sysx
+
+// These functions will be generated by generate.sh
+//    $ GOOS=linux GOARCH=386 ./generate.sh copy
+//    $ GOOS=linux GOARCH=amd64 ./generate.sh copy
+//    $ GOOS=linux GOARCH=arm ./generate.sh copy
+//    $ GOOS=linux GOARCH=arm64 ./generate.sh copy
+
+//sys CopyFileRange(fdin uintptr, offin *int64, fdout uintptr, offout *int64, len int, flags int) (n int, err error)

vendor/github.com/stevvooe/continuity/sysx/copy_linux_386.go

@@ -0,0 +1,20 @@
+// mksyscall.pl -l32 copy_linux.go
+// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+
+package sysx
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func CopyFileRange(fdin uintptr, offin *int64, fdout uintptr, offout *int64, len int, flags int) (n int, err error) {
+	r0, _, e1 := syscall.Syscall6(SYS_COPY_FILE_RANGE, uintptr(fdin), uintptr(unsafe.Pointer(offin)), uintptr(fdout), uintptr(unsafe.Pointer(offout)), uintptr(len), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

vendor/github.com/stevvooe/continuity/sysx/copy_linux_amd64.go

@@ -0,0 +1,20 @@
+// mksyscall.pl copy_linux.go
+// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+
+package sysx
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func CopyFileRange(fdin uintptr, offin *int64, fdout uintptr, offout *int64, len int, flags int) (n int, err error) {
+	r0, _, e1 := syscall.Syscall6(SYS_COPY_FILE_RANGE, uintptr(fdin), uintptr(unsafe.Pointer(offin)), uintptr(fdout), uintptr(unsafe.Pointer(offout)), uintptr(len), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

vendor/github.com/stevvooe/continuity/sysx/copy_linux_arm64.go

@@ -0,0 +1,20 @@
+// mksyscall.pl copy_linux.go
+// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
+
+package sysx
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func CopyFileRange(fdin uintptr, offin *int64, fdout uintptr, offout *int64, len int, flags int) (n int, err error) {
+	r0, _, e1 := syscall.Syscall6(SYS_COPY_FILE_RANGE, uintptr(fdin), uintptr(unsafe.Pointer(offin)), uintptr(fdout), uintptr(unsafe.Pointer(offout)), uintptr(len), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

vendor/github.com/stevvooe/continuity/sysx/sysnum_linux_386.go

@@ -0,0 +1,7 @@
+package sysx
+
+const (
+	// SYS_COPYFILERANGE defined in Kernel 4.5+
+	// Number defined in /usr/include/asm/unistd_32.h
+	SYS_COPY_FILE_RANGE = 377
+)

vendor/github.com/stevvooe/continuity/sysx/sysnum_linux_amd64.go

@@ -0,0 +1,7 @@
+package sysx
+
+const (
+	// SYS_COPYFILERANGE defined in Kernel 4.5+
+	// Number defined in /usr/include/asm/unistd_64.h
+	SYS_COPY_FILE_RANGE = 326
+)

vendor/github.com/stevvooe/continuity/sysx/sysnum_linux_arm64.go

@@ -0,0 +1,7 @@
+package sysx
+
+const (
+	// SYS_COPY_FILE_RANGE defined in Kernel 4.5+
+	// Number defined in /usr/include/asm-generic/unistd.h
+	SYS_COPY_FILE_RANGE = 285
+)