swarm/api: support mounting manifests via FUSE (#3690)

vendor/bazil.org/fuse/fuse_kernel_linux.go

@@ -0,0 +1,70 @@
+package fuse
+
+import "time"
+
+type attr struct {
+	Ino       uint64
+	Size      uint64
+	Blocks    uint64
+	Atime     uint64
+	Mtime     uint64
+	Ctime     uint64
+	AtimeNsec uint32
+	MtimeNsec uint32
+	CtimeNsec uint32
+	Mode      uint32
+	Nlink     uint32
+	Uid       uint32
+	Gid       uint32
+	Rdev      uint32
+	Blksize   uint32
+	padding   uint32
+}
+
+func (a *attr) Crtime() time.Time {
+	return time.Time{}
+}
+
+func (a *attr) SetCrtime(s uint64, ns uint32) {
+	// Ignored on Linux.
+}
+
+func (a *attr) SetFlags(f uint32) {
+	// Ignored on Linux.
+}
+
+type setattrIn struct {
+	setattrInCommon
+}
+
+func (in *setattrIn) BkupTime() time.Time {
+	return time.Time{}
+}
+
+func (in *setattrIn) Chgtime() time.Time {
+	return time.Time{}
+}
+
+func (in *setattrIn) Flags() uint32 {
+	return 0
+}
+
+func openFlags(flags uint32) OpenFlags {
+	// on amd64, the 32-bit O_LARGEFILE flag is always seen;
+	// on i386, the flag probably depends on the app
+	// requesting, but in any case should be utterly
+	// uninteresting to us here; our kernel protocol messages
+	// are not directly related to the client app's kernel
+	// API/ABI
+	flags &^= 0x8000
+
+	return OpenFlags(flags)
+}
+
+type getxattrIn struct {
+	getxattrInCommon
+}
+
+type setxattrIn struct {
+	setxattrInCommon
+}