From b4820e598681c61fbf0e8a7f4d3436d2599ce53c Mon Sep 17 00:00:00 2001
From: Rahat Mahmood <rahat@google.com>
Date: Fri, 28 Aug 2020 14:29:16 -0700
Subject: Implement StatFS for various VFS2 filesystems.
This mainly involved enabling kernfs' client filesystems to provide a
StatFS implementation.
Fixes #3411, #3515.
PiperOrigin-RevId: 329009864
---
pkg/sentry/fsimpl/fuse/fusefs.go | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
(limited to 'pkg/sentry/fsimpl/fuse')
diff --git a/pkg/sentry/fsimpl/fuse/fusefs.go b/pkg/sentry/fsimpl/fuse/fusefs.go
index 9717c0e15..810819ae4 100644
--- a/pkg/sentry/fsimpl/fuse/fusefs.go
+++ b/pkg/sentry/fsimpl/fuse/fusefs.go
@@ -200,9 +200,9 @@ func (fs *filesystem) Release(ctx context.Context) {
type inode struct {
inodeRefs
kernfs.InodeAttrs
+ kernfs.InodeDirectoryNoNewChildren
kernfs.InodeNoDynamicLookup
kernfs.InodeNotSymlink
- kernfs.InodeDirectoryNoNewChildren
kernfs.OrderedChildren
locks vfs.FileLocks
@@ -331,3 +331,9 @@ func (i *inode) Stat(ctx context.Context, fs *vfs.Filesystem, opts vfs.StatOptio
func (i *inode) DecRef(context.Context) {
i.inodeRefs.DecRef(i.Destroy)
}
+
+// StatFS implements kernfs.Inode.StatFS.
+func (i *inode) StatFS(ctx context.Context, fs *vfs.Filesystem) (linux.Statfs, error) {
+ // TODO(gvisor.dev/issues/3413): Complete the implementation of statfs.
+ return vfs.GenericStatFS(linux.FUSE_SUPER_MAGIC), nil
+}
--
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