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-rw-r--r--pkg/sentry/fs/tmpfs/BUILD52
-rw-r--r--pkg/sentry/fs/tmpfs/file_test.go72
-rwxr-xr-xpkg/sentry/fs/tmpfs/tmpfs_state_autogen.go108
3 files changed, 108 insertions, 124 deletions
diff --git a/pkg/sentry/fs/tmpfs/BUILD b/pkg/sentry/fs/tmpfs/BUILD
deleted file mode 100644
index 11b680929..000000000
--- a/pkg/sentry/fs/tmpfs/BUILD
+++ /dev/null
@@ -1,52 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_test")
-
-package(licenses = ["notice"])
-
-load("//tools/go_stateify:defs.bzl", "go_library")
-
-go_library(
- name = "tmpfs",
- srcs = [
- "device.go",
- "file_regular.go",
- "fs.go",
- "inode_file.go",
- "tmpfs.go",
- ],
- importpath = "gvisor.dev/gvisor/pkg/sentry/fs/tmpfs",
- visibility = ["//pkg/sentry:internal"],
- deps = [
- "//pkg/abi/linux",
- "//pkg/metric",
- "//pkg/sentry/context",
- "//pkg/sentry/device",
- "//pkg/sentry/fs",
- "//pkg/sentry/fs/fsutil",
- "//pkg/sentry/fs/ramfs",
- "//pkg/sentry/kernel",
- "//pkg/sentry/kernel/auth",
- "//pkg/sentry/kernel/pipe",
- "//pkg/sentry/kernel/time",
- "//pkg/sentry/memmap",
- "//pkg/sentry/safemem",
- "//pkg/sentry/socket/unix/transport",
- "//pkg/sentry/usage",
- "//pkg/sentry/usermem",
- "//pkg/syserror",
- "//pkg/waiter",
- ],
-)
-
-go_test(
- name = "tmpfs_test",
- size = "small",
- srcs = ["file_test.go"],
- embed = [":tmpfs"],
- deps = [
- "//pkg/sentry/context",
- "//pkg/sentry/fs",
- "//pkg/sentry/kernel/contexttest",
- "//pkg/sentry/usage",
- "//pkg/sentry/usermem",
- ],
-)
diff --git a/pkg/sentry/fs/tmpfs/file_test.go b/pkg/sentry/fs/tmpfs/file_test.go
deleted file mode 100644
index 0075ef023..000000000
--- a/pkg/sentry/fs/tmpfs/file_test.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package tmpfs
-
-import (
- "bytes"
- "testing"
-
- "gvisor.dev/gvisor/pkg/sentry/context"
- "gvisor.dev/gvisor/pkg/sentry/fs"
- "gvisor.dev/gvisor/pkg/sentry/kernel/contexttest"
- "gvisor.dev/gvisor/pkg/sentry/usage"
- "gvisor.dev/gvisor/pkg/sentry/usermem"
-)
-
-func newFileInode(ctx context.Context) *fs.Inode {
- m := fs.NewCachingMountSource(ctx, &Filesystem{}, fs.MountSourceFlags{})
- iops := NewInMemoryFile(ctx, usage.Tmpfs, fs.WithCurrentTime(ctx, fs.UnstableAttr{}))
- return fs.NewInode(ctx, iops, m, fs.StableAttr{
- DeviceID: tmpfsDevice.DeviceID(),
- InodeID: tmpfsDevice.NextIno(),
- BlockSize: usermem.PageSize,
- Type: fs.RegularFile,
- })
-}
-
-func newFile(ctx context.Context) *fs.File {
- inode := newFileInode(ctx)
- f, _ := inode.GetFile(ctx, fs.NewDirent(ctx, inode, "stub"), fs.FileFlags{Read: true, Write: true})
- return f
-}
-
-// Allocate once, write twice.
-func TestGrow(t *testing.T) {
- ctx := contexttest.Context(t)
- f := newFile(ctx)
- defer f.DecRef()
-
- abuf := bytes.Repeat([]byte{'a'}, 68)
- n, err := f.Pwritev(ctx, usermem.BytesIOSequence(abuf), 0)
- if n != int64(len(abuf)) || err != nil {
- t.Fatalf("Pwritev got (%d, %v) want (%d, nil)", n, err, len(abuf))
- }
-
- bbuf := bytes.Repeat([]byte{'b'}, 856)
- n, err = f.Pwritev(ctx, usermem.BytesIOSequence(bbuf), 68)
- if n != int64(len(bbuf)) || err != nil {
- t.Fatalf("Pwritev got (%d, %v) want (%d, nil)", n, err, len(bbuf))
- }
-
- rbuf := make([]byte, len(abuf)+len(bbuf))
- n, err = f.Preadv(ctx, usermem.BytesIOSequence(rbuf), 0)
- if n != int64(len(rbuf)) || err != nil {
- t.Fatalf("Preadv got (%d, %v) want (%d, nil)", n, err, len(rbuf))
- }
-
- if want := append(abuf, bbuf...); !bytes.Equal(rbuf, want) {
- t.Fatalf("Read %v, want %v", rbuf, want)
- }
-}
diff --git a/pkg/sentry/fs/tmpfs/tmpfs_state_autogen.go b/pkg/sentry/fs/tmpfs/tmpfs_state_autogen.go
new file mode 100755
index 000000000..7d73d1c77
--- /dev/null
+++ b/pkg/sentry/fs/tmpfs/tmpfs_state_autogen.go
@@ -0,0 +1,108 @@
+// automatically generated by stateify.
+
+package tmpfs
+
+import (
+ "gvisor.dev/gvisor/pkg/state"
+)
+
+func (x *regularFileOperations) beforeSave() {}
+func (x *regularFileOperations) save(m state.Map) {
+ x.beforeSave()
+ m.Save("iops", &x.iops)
+}
+
+func (x *regularFileOperations) afterLoad() {}
+func (x *regularFileOperations) load(m state.Map) {
+ m.Load("iops", &x.iops)
+}
+
+func (x *Filesystem) beforeSave() {}
+func (x *Filesystem) save(m state.Map) {
+ x.beforeSave()
+}
+
+func (x *Filesystem) afterLoad() {}
+func (x *Filesystem) load(m state.Map) {
+}
+
+func (x *fileInodeOperations) beforeSave() {}
+func (x *fileInodeOperations) save(m state.Map) {
+ x.beforeSave()
+ m.Save("InodeSimpleExtendedAttributes", &x.InodeSimpleExtendedAttributes)
+ m.Save("kernel", &x.kernel)
+ m.Save("memUsage", &x.memUsage)
+ m.Save("attr", &x.attr)
+ m.Save("mappings", &x.mappings)
+ m.Save("writableMappingPages", &x.writableMappingPages)
+ m.Save("data", &x.data)
+ m.Save("seals", &x.seals)
+}
+
+func (x *fileInodeOperations) afterLoad() {}
+func (x *fileInodeOperations) load(m state.Map) {
+ m.Load("InodeSimpleExtendedAttributes", &x.InodeSimpleExtendedAttributes)
+ m.Load("kernel", &x.kernel)
+ m.Load("memUsage", &x.memUsage)
+ m.Load("attr", &x.attr)
+ m.Load("mappings", &x.mappings)
+ m.Load("writableMappingPages", &x.writableMappingPages)
+ m.Load("data", &x.data)
+ m.Load("seals", &x.seals)
+}
+
+func (x *Dir) beforeSave() {}
+func (x *Dir) save(m state.Map) {
+ x.beforeSave()
+ m.Save("ramfsDir", &x.ramfsDir)
+ m.Save("kernel", &x.kernel)
+}
+
+func (x *Dir) load(m state.Map) {
+ m.Load("ramfsDir", &x.ramfsDir)
+ m.Load("kernel", &x.kernel)
+ m.AfterLoad(x.afterLoad)
+}
+
+func (x *Symlink) beforeSave() {}
+func (x *Symlink) save(m state.Map) {
+ x.beforeSave()
+ m.Save("Symlink", &x.Symlink)
+}
+
+func (x *Symlink) afterLoad() {}
+func (x *Symlink) load(m state.Map) {
+ m.Load("Symlink", &x.Symlink)
+}
+
+func (x *Socket) beforeSave() {}
+func (x *Socket) save(m state.Map) {
+ x.beforeSave()
+ m.Save("Socket", &x.Socket)
+}
+
+func (x *Socket) afterLoad() {}
+func (x *Socket) load(m state.Map) {
+ m.Load("Socket", &x.Socket)
+}
+
+func (x *Fifo) beforeSave() {}
+func (x *Fifo) save(m state.Map) {
+ x.beforeSave()
+ m.Save("InodeOperations", &x.InodeOperations)
+}
+
+func (x *Fifo) afterLoad() {}
+func (x *Fifo) load(m state.Map) {
+ m.Load("InodeOperations", &x.InodeOperations)
+}
+
+func init() {
+ state.Register("tmpfs.regularFileOperations", (*regularFileOperations)(nil), state.Fns{Save: (*regularFileOperations).save, Load: (*regularFileOperations).load})
+ state.Register("tmpfs.Filesystem", (*Filesystem)(nil), state.Fns{Save: (*Filesystem).save, Load: (*Filesystem).load})
+ state.Register("tmpfs.fileInodeOperations", (*fileInodeOperations)(nil), state.Fns{Save: (*fileInodeOperations).save, Load: (*fileInodeOperations).load})
+ state.Register("tmpfs.Dir", (*Dir)(nil), state.Fns{Save: (*Dir).save, Load: (*Dir).load})
+ state.Register("tmpfs.Symlink", (*Symlink)(nil), state.Fns{Save: (*Symlink).save, Load: (*Symlink).load})
+ state.Register("tmpfs.Socket", (*Socket)(nil), state.Fns{Save: (*Socket).save, Load: (*Socket).load})
+ state.Register("tmpfs.Fifo", (*Fifo)(nil), state.Fns{Save: (*Fifo).save, Load: (*Fifo).load})
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 19:22:15 +0000