stateify: convert all packages to use explicit mode.

PiperOrigin-RevId: 207007153
Change-Id: Ifedf1cc3758dc18be16647a4ece9c840c1c636c9

5 files changed, 12 insertions, 22 deletions

diff --git a/pkg/sentry/fs/gofer/BUILD b/pkg/sentry/fs/gofer/BUILD
index 1277379e7..cb17339c9 100644
--- a/pkg/sentry/fs/gofer/BUILD
+++ b/pkg/sentry/fs/gofer/BUILD
@@ -1,21 +1,6 @@
 package(licenses = ["notice"])  # Apache 2.0
 
-load("//tools/go_stateify:defs.bzl", "go_library", "go_stateify", "go_test")
-
-go_stateify(
-    name = "gofer_state",
-    srcs = [
-        "file.go",
-        "file_state.go",
-        "fs.go",
-        "inode.go",
-        "inode_state.go",
-        "session.go",
-        "session_state.go",
-    ],
-    out = "gofer_state.go",
-    package = "gofer",
-)
+load("//tools/go_stateify:defs.bzl", "go_library", "go_test")
 
 go_library(
     name = "gofer",
@@ -27,7 +12,6 @@ go_library(
         "file.go",
         "file_state.go",
         "fs.go",
-        "gofer_state.go",
         "handles.go",
         "inode.go",
         "inode_state.go",
@@ -41,7 +25,6 @@ go_library(
     visibility = ["//pkg/sentry:internal"],
     deps = [
         "//pkg/abi/linux",
-        "//pkg/amutex",
         "//pkg/fd",
         "//pkg/log",
         "//pkg/metric",
@@ -54,15 +37,11 @@ go_library(
         "//pkg/sentry/fs/fdpipe",
         "//pkg/sentry/fs/fsutil",
         "//pkg/sentry/fs/host",
-        "//pkg/sentry/fs/lock",
         "//pkg/sentry/kernel/auth",
         "//pkg/sentry/kernel/time",
         "//pkg/sentry/memmap",
-        "//pkg/sentry/platform",
         "//pkg/sentry/safemem",
-        "//pkg/sentry/uniqueid",
         "//pkg/sentry/usermem",
-        "//pkg/state",
         "//pkg/syserror",
         "//pkg/tcpip",
         "//pkg/tcpip/transport/unix",
diff --git a/pkg/sentry/fs/gofer/file.go b/pkg/sentry/fs/gofer/file.go
index 039618808..46a6bbd5d 100644
--- a/pkg/sentry/fs/gofer/file.go
+++ b/pkg/sentry/fs/gofer/file.go
@@ -33,6 +33,8 @@ import (
 var openedWX = metric.MustCreateNewUint64Metric("/gofer/opened_write_execute_file", true /* sync */, "Number of times a writable+executable file was opened from a gofer.")
 
 // fileOperations implements fs.FileOperations for a remote file system.
+//
+// +stateify savable
 type fileOperations struct {
 	fsutil.NoIoctl     `state:"nosave"`
 	waiter.AlwaysReady `state:"nosave"`
diff --git a/pkg/sentry/fs/gofer/fs.go b/pkg/sentry/fs/gofer/fs.go
index dd5d43c47..3ae93f059 100644
--- a/pkg/sentry/fs/gofer/fs.go
+++ b/pkg/sentry/fs/gofer/fs.go
@@ -83,6 +83,8 @@ var (
 )
 
 // filesystem is a 9p client.
+//
+// +stateify savable
 type filesystem struct{}
 
 func init() {
diff --git a/pkg/sentry/fs/gofer/inode.go b/pkg/sentry/fs/gofer/inode.go
index df584c382..7fc8f77b0 100644
--- a/pkg/sentry/fs/gofer/inode.go
+++ b/pkg/sentry/fs/gofer/inode.go
@@ -35,6 +35,8 @@ import (
 )
 
 // inodeOperations implements fs.InodeOperations.
+//
+// +stateify savable
 type inodeOperations struct {
 	fsutil.InodeNotVirtual           `state:"nosave"`
 	fsutil.InodeNoExtendedAttributes `state:"nosave"`
@@ -68,6 +70,8 @@ type inodeOperations struct {
 // circular load dependency between it and inodeOperations). Even with
 // lazy loading, this approach defines the dependencies between objects
 // and the expected load behavior more concretely.
+//
+// +stateify savable
 type inodeFileState struct {
 	// s is common file system state for Gofers.
 	s *session `state:"wait"`
diff --git a/pkg/sentry/fs/gofer/session.go b/pkg/sentry/fs/gofer/session.go
index b6841526a..648a11435 100644
--- a/pkg/sentry/fs/gofer/session.go
+++ b/pkg/sentry/fs/gofer/session.go
@@ -27,6 +27,7 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/unet"
 )
 
+// +stateify savable
 type endpointMap struct {
 	mu sync.RWMutex `state:"nosave"`
 	// TODO: Make map with private unix sockets savable.
@@ -63,6 +64,8 @@ func (e *endpointMap) get(key device.MultiDeviceKey) unix.BoundEndpoint {
 }
 
 // session holds state for each 9p session established during sys_mount.
+//
+// +stateify savable
 type session struct {
 	refs.AtomicRefCount