diff options
| author | Rahat Mahmood <rahat@google.com> | 2021-03-11 16:47:49 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2021-03-11 16:49:36 -0800 |
| commit | c5667022b6617d732e0c0bcb8ca3b58d588ceafb (patch) | |
| tree | c112e83b4dcee9923cb99f1fe33b10251e1e58b2 /pkg/sentry/vfs/filesystem.go | |
| parent | a82bd04e2ab3230a9ed09b297812b58d00784fe5 (diff) | |
Report filesystem-specific mount options.
PiperOrigin-RevId: 362406813
Diffstat (limited to 'pkg/sentry/vfs/filesystem.go')
| -rw-r--r-- | pkg/sentry/vfs/filesystem.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/sentry/vfs/filesystem.go b/pkg/sentry/vfs/filesystem.go index 2c4b81e78..059939010 100644 --- a/pkg/sentry/vfs/filesystem.go +++ b/pkg/sentry/vfs/filesystem.go @@ -502,6 +502,15 @@ type FilesystemImpl interface { // // Preconditions: vd.Mount().Filesystem().Impl() == this FilesystemImpl. PrependPath(ctx context.Context, vfsroot, vd VirtualDentry, b *fspath.Builder) error + + // MountOptions returns mount options for the current filesystem. This + // should only return options specific to the filesystem (i.e. don't return + // "ro", "rw", etc). Options should be returned as a comma-separated string, + // similar to the input to the 5th argument to mount. + // + // If the implementation has no filesystem-specific options, it should + // return the empty string. + MountOptions() string } // PrependPathAtVFSRootError is returned by implementations of |