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| author | Rahat Mahmood <rahat@google.com> | 2020-08-28 14:29:16 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-08-28 14:31:11 -0700 |
| commit | b4820e598681c61fbf0e8a7f4d3436d2599ce53c (patch) | |
| tree | 9e7c5770ba0edba0ae77f35300803c13d6914970 /pkg/sentry/fsimpl/kernfs/kernfs.go | |
| parent | bdd5996a73b14d6f6600ab7aa00cdaed459cab16 (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/kernfs/kernfs.go')
| -rw-r--r-- | pkg/sentry/fsimpl/kernfs/kernfs.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/kernfs.go b/pkg/sentry/fsimpl/kernfs/kernfs.go index ca3685800..88fcd54aa 100644 --- a/pkg/sentry/fsimpl/kernfs/kernfs.go +++ b/pkg/sentry/fsimpl/kernfs/kernfs.go @@ -320,6 +320,11 @@ type Inode interface { // Precondition: rp.Done(). vfsd.Impl() must be the kernfs Dentry containing // the inode on which Open() is being called. Open(ctx context.Context, rp *vfs.ResolvingPath, vfsd *vfs.Dentry, opts vfs.OpenOptions) (*vfs.FileDescription, error) + + // StatFS returns filesystem statistics for the client filesystem. This + // corresponds to vfs.FilesystemImpl.StatFSAt. If the client filesystem + // doesn't support statfs(2), this should return ENOSYS. + StatFS(ctx context.Context, fs *vfs.Filesystem) (linux.Statfs, error) } type inodeRefs interface { |