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-rw-r--r--pkg/sentry/fsimpl/ext/ext.go12
1 files changed, 10 insertions, 2 deletions
diff --git a/pkg/sentry/fsimpl/ext/ext.go b/pkg/sentry/fsimpl/ext/ext.go
index 373d23b74..7176af6d1 100644
--- a/pkg/sentry/fsimpl/ext/ext.go
+++ b/pkg/sentry/fsimpl/ext/ext.go
@@ -30,6 +30,9 @@ import (
"gvisor.dev/gvisor/pkg/syserror"
)
+// Name is the name of this filesystem.
+const Name = "ext"
+
// FilesystemType implements vfs.FilesystemType.
type FilesystemType struct{}
@@ -91,8 +94,13 @@ func isCompatible(sb disklayout.SuperBlock) bool {
return true
}
+// Name implements vfs.FilesystemType.Name.
+func (FilesystemType) Name() string {
+ return Name
+}
+
// GetFilesystem implements vfs.FilesystemType.GetFilesystem.
-func (FilesystemType) GetFilesystem(ctx context.Context, vfsObj *vfs.VirtualFilesystem, creds *auth.Credentials, source string, opts vfs.GetFilesystemOptions) (*vfs.Filesystem, *vfs.Dentry, error) {
+func (fsType FilesystemType) GetFilesystem(ctx context.Context, vfsObj *vfs.VirtualFilesystem, creds *auth.Credentials, source string, opts vfs.GetFilesystemOptions) (*vfs.Filesystem, *vfs.Dentry, error) {
// TODO(b/134676337): Ensure that the user is mounting readonly. If not,
// EACCESS should be returned according to mount(2). Filesystem independent
// flags (like readonly) are currently not available in pkg/sentry/vfs.
@@ -103,7 +111,7 @@ func (FilesystemType) GetFilesystem(ctx context.Context, vfsObj *vfs.VirtualFile
}
fs := filesystem{dev: dev, inodeCache: make(map[uint32]*inode)}
- fs.vfsfs.Init(vfsObj, &fs)
+ fs.vfsfs.Init(vfsObj, &fsType, &fs)
fs.sb, err = readSuperBlock(dev)
if err != nil {
return nil, nil, err