[vfs] kernfs: Implement remaining InodeAttr fields.

Added the following fields in kernfs.InodeAttr:
- blockSize
- atime
- mtime
- ctime

Also resolved all TODOs for #1193.

Fixes #1193

PiperOrigin-RevId: 338714527

4 files changed, 4 insertions, 4 deletions

diff --git a/pkg/sentry/socket/hostinet/socket_vfs2.go b/pkg/sentry/socket/hostinet/socket_vfs2.go
index 163af329b..ce48a9903 100644
--- a/pkg/sentry/socket/hostinet/socket_vfs2.go
+++ b/pkg/sentry/socket/hostinet/socket_vfs2.go
@@ -51,7 +51,7 @@ var _ = socket.SocketVFS2(&socketVFS2{})
 
 func newVFS2Socket(t *kernel.Task, family int, stype linux.SockType, protocol int, fd int, flags uint32) (*vfs.FileDescription, *syserr.Error) {
 	mnt := t.Kernel().SocketMount()
-	d := sockfs.NewDentry(t.Credentials(), mnt)
+	d := sockfs.NewDentry(t, mnt)
 	defer d.DecRef(t)
 
 	s := &socketVFS2{
diff --git a/pkg/sentry/socket/netlink/provider_vfs2.go b/pkg/sentry/socket/netlink/provider_vfs2.go
index e8930f031..f061c5d62 100644
--- a/pkg/sentry/socket/netlink/provider_vfs2.go
+++ b/pkg/sentry/socket/netlink/provider_vfs2.go
@@ -51,7 +51,7 @@ func (*socketProviderVFS2) Socket(t *kernel.Task, stype linux.SockType, protocol
 
 	vfsfd := &s.vfsfd
 	mnt := t.Kernel().SocketMount()
-	d := sockfs.NewDentry(t.Credentials(), mnt)
+	d := sockfs.NewDentry(t, mnt)
 	defer d.DecRef(t)
 	if err := vfsfd.Init(s, linux.O_RDWR, mnt, d, &vfs.FileDescriptionOptions{
 		DenyPRead:         true,
diff --git a/pkg/sentry/socket/netstack/netstack_vfs2.go b/pkg/sentry/socket/netstack/netstack_vfs2.go
index 4c6791fff..adffba3c6 100644
--- a/pkg/sentry/socket/netstack/netstack_vfs2.go
+++ b/pkg/sentry/socket/netstack/netstack_vfs2.go
@@ -55,7 +55,7 @@ func NewVFS2(t *kernel.Task, family int, skType linux.SockType, protocol int, qu
 	}
 
 	mnt := t.Kernel().SocketMount()
-	d := sockfs.NewDentry(t.Credentials(), mnt)
+	d := sockfs.NewDentry(t, mnt)
 	defer d.DecRef(t)
 
 	s := &SocketVFS2{
diff --git a/pkg/sentry/socket/unix/unix_vfs2.go b/pkg/sentry/socket/unix/unix_vfs2.go
index 21514c7bb..7a78444dc 100644
--- a/pkg/sentry/socket/unix/unix_vfs2.go
+++ b/pkg/sentry/socket/unix/unix_vfs2.go
@@ -55,7 +55,7 @@ var _ = socket.SocketVFS2(&SocketVFS2{})
 // returns a corresponding file description.
 func NewSockfsFile(t *kernel.Task, ep transport.Endpoint, stype linux.SockType) (*vfs.FileDescription, *syserr.Error) {
 	mnt := t.Kernel().SocketMount()
-	d := sockfs.NewDentry(t.Credentials(), mnt)
+	d := sockfs.NewDentry(t, mnt)
 	defer d.DecRef(t)
 
 	fd, err := NewFileDescription(ep, stype, linux.O_RDWR, mnt, d, &vfs.FileLocks{})