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authorRahat Mahmood <rahat@google.com>2020-08-28 14:29:16 -0700
committerAndrei Vagin <avagin@gmail.com>2020-09-09 17:53:10 -0700
commit8d75fc4883ca8c10fb615203993d56d33a9e36b6 (patch)
tree47f5daf4cca625193e58799c2701e0f69e02f02d /pkg/sentry/fsimpl/proc/filesystem.go
parent91e81aaf69ac5fc4cd7b677139c6a23801eabb02 (diff)
Implement StatFS for various VFS2 filesystems.
This mainly involved enabling kernfs' client filesystems to provide a StatFS implementation. Fixes #3411, #3515. PiperOrigin-RevId: 329009864
Diffstat (limited to 'pkg/sentry/fsimpl/proc/filesystem.go')
-rw-r--r--pkg/sentry/fsimpl/proc/filesystem.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/proc/filesystem.go b/pkg/sentry/fsimpl/proc/filesystem.go
index c350ec127..03b5941b9 100644
--- a/pkg/sentry/fsimpl/proc/filesystem.go
+++ b/pkg/sentry/fsimpl/proc/filesystem.go
@@ -121,3 +121,10 @@ func newStaticDir(creds *auth.Credentials, devMajor, devMinor uint32, ino uint64
type InternalData struct {
Cgroups map[string]string
}
+
+type implStatFS struct{}
+
+// StatFS implements kernfs.Inode.StatFS.
+func (*implStatFS) StatFS(context.Context, *vfs.Filesystem) (linux.Statfs, error) {
+ return vfs.GenericStatFS(linux.PROC_SUPER_MAGIC), nil
+}