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| author | Zach Koopmans <zkoopmans@google.com> | 2020-07-01 13:13:04 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-07-01 13:14:44 -0700 |
| commit | 6a90c88b97481a6d81b05f09d5c8ed7158225dd5 (patch) | |
| tree | e22db333e636d2dae96bcbf4f36d48eb81df3d0d /pkg/sentry/vfs/file_description.go | |
| parent | 68e1c870d3ef5db71226927aee703f2fba61cab7 (diff) | |
Port fallocate to VFS2.
PiperOrigin-RevId: 319283715
Diffstat (limited to 'pkg/sentry/vfs/file_description.go')
| -rw-r--r-- | pkg/sentry/vfs/file_description.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/vfs/file_description.go b/pkg/sentry/vfs/file_description.go index eb5dfd7e2..0c42574db 100644 --- a/pkg/sentry/vfs/file_description.go +++ b/pkg/sentry/vfs/file_description.go @@ -354,6 +354,10 @@ type FileDescriptionImpl interface { // represented by the FileDescription. StatFS(ctx context.Context) (linux.Statfs, error) + // Allocate grows file represented by FileDescription to offset + length bytes. + // Only mode == 0 is supported currently. + Allocate(ctx context.Context, mode, offset, length uint64) error + // waiter.Waitable methods may be used to poll for I/O events. waiter.Waitable |