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-rw-r--r--pkg/sentry/fsimpl/tmpfs/benchmark_test.go10
-rw-r--r--pkg/sentry/fsimpl/tmpfs/directory.go18
-rw-r--r--pkg/sentry/fsimpl/tmpfs/filesystem.go14
-rw-r--r--pkg/sentry/fsimpl/tmpfs/pipe_test.go5
-rw-r--r--pkg/sentry/fsimpl/tmpfs/regular_file_test.go6
-rw-r--r--pkg/sentry/fsimpl/tmpfs/tmpfs.go3
6 files changed, 39 insertions, 17 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/benchmark_test.go b/pkg/sentry/fsimpl/tmpfs/benchmark_test.go
index 9fce5e4b4..383133e44 100644
--- a/pkg/sentry/fsimpl/tmpfs/benchmark_test.go
+++ b/pkg/sentry/fsimpl/tmpfs/benchmark_test.go
@@ -175,7 +175,10 @@ func BenchmarkVFS2MemfsStat(b *testing.B) {
creds := auth.CredentialsFromContext(ctx)
// Create VFS.
- vfsObj := vfs.New()
+ vfsObj := vfs.VirtualFilesystem{}
+ if err := vfsObj.Init(); err != nil {
+ b.Fatalf("VFS init: %v", err)
+ }
vfsObj.MustRegisterFilesystemType("tmpfs", tmpfs.FilesystemType{}, &vfs.RegisterFilesystemTypeOptions{
AllowUserMount: true,
})
@@ -366,7 +369,10 @@ func BenchmarkVFS2MemfsMountStat(b *testing.B) {
creds := auth.CredentialsFromContext(ctx)
// Create VFS.
- vfsObj := vfs.New()
+ vfsObj := vfs.VirtualFilesystem{}
+ if err := vfsObj.Init(); err != nil {
+ b.Fatalf("VFS init: %v", err)
+ }
vfsObj.MustRegisterFilesystemType("tmpfs", tmpfs.FilesystemType{}, &vfs.RegisterFilesystemTypeOptions{
AllowUserMount: true,
})
diff --git a/pkg/sentry/fsimpl/tmpfs/directory.go b/pkg/sentry/fsimpl/tmpfs/directory.go
index dc0d27cf9..b4380af38 100644
--- a/pkg/sentry/fsimpl/tmpfs/directory.go
+++ b/pkg/sentry/fsimpl/tmpfs/directory.go
@@ -74,25 +74,25 @@ func (fd *directoryFD) IterDirents(ctx context.Context, cb vfs.IterDirentsCallba
defer fs.mu.Unlock()
if fd.off == 0 {
- if !cb.Handle(vfs.Dirent{
+ if err := cb.Handle(vfs.Dirent{
Name: ".",
Type: linux.DT_DIR,
Ino: vfsd.Impl().(*dentry).inode.ino,
NextOff: 1,
- }) {
- return nil
+ }); err != nil {
+ return err
}
fd.off++
}
if fd.off == 1 {
parentInode := vfsd.ParentOrSelf().Impl().(*dentry).inode
- if !cb.Handle(vfs.Dirent{
+ if err := cb.Handle(vfs.Dirent{
Name: "..",
Type: parentInode.direntType(),
Ino: parentInode.ino,
NextOff: 2,
- }) {
- return nil
+ }); err != nil {
+ return err
}
fd.off++
}
@@ -111,14 +111,14 @@ func (fd *directoryFD) IterDirents(ctx context.Context, cb vfs.IterDirentsCallba
for child != nil {
// Skip other directoryFD iterators.
if child.inode != nil {
- if !cb.Handle(vfs.Dirent{
+ if err := cb.Handle(vfs.Dirent{
Name: child.vfsd.Name(),
Type: child.inode.direntType(),
Ino: child.inode.ino,
NextOff: fd.off + 1,
- }) {
+ }); err != nil {
dir.childList.InsertBefore(child, fd.iter)
- return nil
+ return err
}
fd.off++
}
diff --git a/pkg/sentry/fsimpl/tmpfs/filesystem.go b/pkg/sentry/fsimpl/tmpfs/filesystem.go
index 72bc15264..7f7b791c4 100644
--- a/pkg/sentry/fsimpl/tmpfs/filesystem.go
+++ b/pkg/sentry/fsimpl/tmpfs/filesystem.go
@@ -334,7 +334,7 @@ afterTrailingSymlink:
}
func (d *dentry) open(ctx context.Context, rp *vfs.ResolvingPath, opts *vfs.OpenOptions, afterCreate bool) (*vfs.FileDescription, error) {
- ats := vfs.AccessTypesForOpenFlags(opts.Flags)
+ ats := vfs.AccessTypesForOpenFlags(opts)
if !afterCreate {
if err := d.inode.checkPermissions(rp.Credentials(), ats, d.inode.isDir()); err != nil {
return nil, err
@@ -486,7 +486,9 @@ func (fs *filesystem) RenameAt(ctx context.Context, rp *vfs.ResolvingPath, oldPa
vfsObj := rp.VirtualFilesystem()
oldParentDir := oldParent.inode.impl.(*directory)
newParentDir := newParent.inode.impl.(*directory)
- if err := vfsObj.PrepareRenameDentry(vfs.MountNamespaceFromContext(ctx), renamedVFSD, replacedVFSD); err != nil {
+ mntns := vfs.MountNamespaceFromContext(ctx)
+ defer mntns.DecRef()
+ if err := vfsObj.PrepareRenameDentry(mntns, renamedVFSD, replacedVFSD); err != nil {
return err
}
if replaced != nil {
@@ -543,7 +545,9 @@ func (fs *filesystem) RmdirAt(ctx context.Context, rp *vfs.ResolvingPath) error
}
defer mnt.EndWrite()
vfsObj := rp.VirtualFilesystem()
- if err := vfsObj.PrepareDeleteDentry(vfs.MountNamespaceFromContext(ctx), childVFSD); err != nil {
+ mntns := vfs.MountNamespaceFromContext(ctx)
+ defer mntns.DecRef()
+ if err := vfsObj.PrepareDeleteDentry(mntns, childVFSD); err != nil {
return err
}
parent.inode.impl.(*directory).childList.Remove(child)
@@ -631,7 +635,9 @@ func (fs *filesystem) UnlinkAt(ctx context.Context, rp *vfs.ResolvingPath) error
}
defer mnt.EndWrite()
vfsObj := rp.VirtualFilesystem()
- if err := vfsObj.PrepareDeleteDentry(vfs.MountNamespaceFromContext(ctx), childVFSD); err != nil {
+ mntns := vfs.MountNamespaceFromContext(ctx)
+ defer mntns.DecRef()
+ if err := vfsObj.PrepareDeleteDentry(mntns, childVFSD); err != nil {
return err
}
parent.inode.impl.(*directory).childList.Remove(child)
diff --git a/pkg/sentry/fsimpl/tmpfs/pipe_test.go b/pkg/sentry/fsimpl/tmpfs/pipe_test.go
index 5ee7f2a72..1614f2c39 100644
--- a/pkg/sentry/fsimpl/tmpfs/pipe_test.go
+++ b/pkg/sentry/fsimpl/tmpfs/pipe_test.go
@@ -151,7 +151,10 @@ func setup(t *testing.T) (context.Context, *auth.Credentials, *vfs.VirtualFilesy
creds := auth.CredentialsFromContext(ctx)
// Create VFS.
- vfsObj := vfs.New()
+ vfsObj := &vfs.VirtualFilesystem{}
+ if err := vfsObj.Init(); err != nil {
+ t.Fatalf("VFS init: %v", err)
+ }
vfsObj.MustRegisterFilesystemType("tmpfs", FilesystemType{}, &vfs.RegisterFilesystemTypeOptions{
AllowUserMount: true,
})
diff --git a/pkg/sentry/fsimpl/tmpfs/regular_file_test.go b/pkg/sentry/fsimpl/tmpfs/regular_file_test.go
index e9f71e334..0399725cf 100644
--- a/pkg/sentry/fsimpl/tmpfs/regular_file_test.go
+++ b/pkg/sentry/fsimpl/tmpfs/regular_file_test.go
@@ -40,7 +40,11 @@ var nextFileID int64
func newTmpfsRoot(ctx context.Context) (*vfs.VirtualFilesystem, vfs.VirtualDentry, func(), error) {
creds := auth.CredentialsFromContext(ctx)
- vfsObj := vfs.New()
+ vfsObj := &vfs.VirtualFilesystem{}
+ if err := vfsObj.Init(); err != nil {
+ return nil, vfs.VirtualDentry{}, nil, fmt.Errorf("VFS init: %v", err)
+ }
+
vfsObj.MustRegisterFilesystemType("tmpfs", FilesystemType{}, &vfs.RegisterFilesystemTypeOptions{
AllowUserMount: true,
})
diff --git a/pkg/sentry/fsimpl/tmpfs/tmpfs.go b/pkg/sentry/fsimpl/tmpfs/tmpfs.go
index 2108d0f4d..c5bb17562 100644
--- a/pkg/sentry/fsimpl/tmpfs/tmpfs.go
+++ b/pkg/sentry/fsimpl/tmpfs/tmpfs.go
@@ -40,6 +40,9 @@ import (
"gvisor.dev/gvisor/pkg/syserror"
)
+// Name is the default filesystem name.
+const Name = "tmpfs"
+
// FilesystemType implements vfs.FilesystemType.
type FilesystemType struct{}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-20 23:58:05 +0000