Clean up vfs2 fallocate.

Move to setstat.go and add a FileDescription wrapper method.

PiperOrigin-RevId: 324165277

1 files changed, 6 insertions, 1 deletions

diff --git a/pkg/sentry/vfs/file_description.go b/pkg/sentry/vfs/file_description.go
index 0c42574db..93861fb4a 100644
--- a/pkg/sentry/vfs/file_description.go
+++ b/pkg/sentry/vfs/file_description.go
@@ -354,7 +354,7 @@ type FileDescriptionImpl interface {
 	// represented by the FileDescription.
 	StatFS(ctx context.Context) (linux.Statfs, error)
 
-	// Allocate grows file represented by FileDescription to offset + length bytes.
+	// Allocate grows the file to offset + length bytes.
 	// Only mode == 0 is supported currently.
 	Allocate(ctx context.Context, mode, offset, length uint64) error
 
@@ -563,6 +563,11 @@ func (fd *FileDescription) StatFS(ctx context.Context) (linux.Statfs, error) {
 	return fd.impl.StatFS(ctx)
 }
 
+// Allocate grows file represented by FileDescription to offset + length bytes.
+func (fd *FileDescription) Allocate(ctx context.Context, mode, offset, length uint64) error {
+	return fd.impl.Allocate(ctx, mode, offset, length)
+}
+
 // Readiness implements waiter.Waitable.Readiness.
 //
 // It returns fd's I/O readiness.