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authorgVisor bot <gvisor-bot@google.com>2020-09-17 22:41:45 +0000
committergVisor bot <gvisor-bot@google.com>2020-09-17 22:41:45 +0000
commit09fed163e1378e9598053b0e13e254b4757ff0f5 (patch)
treebe211d4ebe6648519d47c1399364bcd82fa47b80 /pkg/sentry/vfs/file_description.go
parent5902b9f99573f2a64e3759b371aceb8c39f1336c (diff)
parent319d1b8ba0604e7bc029f98ae0e9b09badd5abad (diff)
Merge release-20200907.0-129-g319d1b8ba (automated)
Diffstat (limited to 'pkg/sentry/vfs/file_description.go')
-rw-r--r--pkg/sentry/vfs/file_description.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkg/sentry/vfs/file_description.go b/pkg/sentry/vfs/file_description.go
index 2b29a3c3f..73bb36d3e 100644
--- a/pkg/sentry/vfs/file_description.go
+++ b/pkg/sentry/vfs/file_description.go
@@ -326,6 +326,9 @@ type FileDescriptionImpl interface {
// Allocate grows the file to offset + length bytes.
// Only mode == 0 is supported currently.
//
+ // Allocate should return EISDIR on directories, ESPIPE on pipes, and ENODEV on
+ // other files where it is not supported.
+ //
// Preconditions: The FileDescription was opened for writing.
Allocate(ctx context.Context, mode, offset, length uint64) error