Pass information about map writableness to filesystems.

This is necessary to implement file seals for memfds.

PiperOrigin-RevId: 225239394
Change-Id: Ib3f1ab31385afc4b24e96cd81a05ef1bebbcbb70

1 files changed, 3 insertions, 3 deletions

diff --git a/pkg/sentry/kernel/shm/shm.go b/pkg/sentry/kernel/shm/shm.go
index 4343dee13..2f400cbba 100644
--- a/pkg/sentry/kernel/shm/shm.go
+++ b/pkg/sentry/kernel/shm/shm.go
@@ -375,7 +375,7 @@ func (s *Shm) Msync(context.Context, memmap.MappableRange) error {
 }
 
 // AddMapping implements memmap.Mappable.AddMapping.
-func (s *Shm) AddMapping(ctx context.Context, ms memmap.MappingSpace, ar usermem.AddrRange, offset uint64) error {
+func (s *Shm) AddMapping(ctx context.Context, _ memmap.MappingSpace, _ usermem.AddrRange, _ uint64, _ bool) error {
 	s.mu.Lock()
 	defer s.mu.Unlock()
 	s.attachTime = ktime.NowFromContext(ctx)
@@ -390,7 +390,7 @@ func (s *Shm) AddMapping(ctx context.Context, ms memmap.MappingSpace, ar usermem
 }
 
 // RemoveMapping implements memmap.Mappable.RemoveMapping.
-func (s *Shm) RemoveMapping(ctx context.Context, ms memmap.MappingSpace, ar usermem.AddrRange, offset uint64) {
+func (s *Shm) RemoveMapping(ctx context.Context, _ memmap.MappingSpace, _ usermem.AddrRange, _ uint64, _ bool) {
 	s.mu.Lock()
 	defer s.mu.Unlock()
 	// TODO: RemoveMapping may be called during task exit, when ctx
@@ -411,7 +411,7 @@ func (s *Shm) RemoveMapping(ctx context.Context, ms memmap.MappingSpace, ar user
 }
 
 // CopyMapping implements memmap.Mappable.CopyMapping.
-func (s *Shm) CopyMapping(ctx context.Context, ms memmap.MappingSpace, srcAR, dstAR usermem.AddrRange, offset uint64) error {
+func (*Shm) CopyMapping(context.Context, memmap.MappingSpace, usermem.AddrRange, usermem.AddrRange, uint64, bool) error {
 	return nil
 }