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-rw-r--r--pkg/sentry/fsimpl/tmpfs/filesystem.go4
-rw-r--r--pkg/sentry/vfs/file_description.go3
2 files changed, 3 insertions, 4 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/filesystem.go b/pkg/sentry/fsimpl/tmpfs/filesystem.go
index 71ac7b8e6..ce0dbb154 100644
--- a/pkg/sentry/fsimpl/tmpfs/filesystem.go
+++ b/pkg/sentry/fsimpl/tmpfs/filesystem.go
@@ -407,7 +407,7 @@ func (d *dentry) open(ctx context.Context, rp *vfs.ResolvingPath, opts *vfs.Open
case *regularFile:
var fd regularFileFD
fd.LockFD.Init(&d.inode.locks)
- if err := fd.vfsfd.Init(&fd, opts.Flags, rp.Mount(), &d.vfsd, &vfs.FileDescriptionOptions{}); err != nil {
+ if err := fd.vfsfd.Init(&fd, opts.Flags, rp.Mount(), &d.vfsd, &vfs.FileDescriptionOptions{AllowDirectIO: true}); err != nil {
return nil, err
}
if opts.Flags&linux.O_TRUNC != 0 {
@@ -423,7 +423,7 @@ func (d *dentry) open(ctx context.Context, rp *vfs.ResolvingPath, opts *vfs.Open
}
var fd directoryFD
fd.LockFD.Init(&d.inode.locks)
- if err := fd.vfsfd.Init(&fd, opts.Flags, rp.Mount(), &d.vfsd, &vfs.FileDescriptionOptions{}); err != nil {
+ if err := fd.vfsfd.Init(&fd, opts.Flags, rp.Mount(), &d.vfsd, &vfs.FileDescriptionOptions{AllowDirectIO: true}); err != nil {
return nil, err
}
return &fd.vfsfd, nil
diff --git a/pkg/sentry/vfs/file_description.go b/pkg/sentry/vfs/file_description.go
index cd1db14ac..eb5dfd7e2 100644
--- a/pkg/sentry/vfs/file_description.go
+++ b/pkg/sentry/vfs/file_description.go
@@ -91,8 +91,7 @@ type FileDescription struct {
// FileDescriptionOptions contains options to FileDescription.Init().
type FileDescriptionOptions struct {
- // If AllowDirectIO is true, allow O_DIRECT to be set on the file. This is
- // usually only the case if O_DIRECT would actually have an effect.
+ // If AllowDirectIO is true, allow O_DIRECT to be set on the file.
AllowDirectIO bool
// If DenyPRead is true, calls to FileDescription.PRead() return ESPIPE.