diff options
| author | Jamie Liu <jamieliu@google.com> | 2020-10-23 17:46:43 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-10-23 17:48:33 -0700 |
| commit | 9f87400f087df0492cf181c97f431b6d5ce3a987 (patch) | |
| tree | e52617b64a20a84db67f1bfe34907677571b92c7 /pkg/sentry/fs | |
| parent | 634e14a09408e50ef70442c0114a8b1dd12c8d03 (diff) | |
Support VFS2 save/restore.
Inode number consistency checks are now skipped in save/restore tests for
reasons described in greatest detail in StatTest.StateDoesntChangeAfterRename.
They pass in VFS1 due to the bug described in new test case
SimpleStatTest.DifferentFilesHaveDifferentDeviceInodeNumberPairs.
Fixes #1663
PiperOrigin-RevId: 338776148
Diffstat (limited to 'pkg/sentry/fs')
| -rw-r--r-- | pkg/sentry/fs/fsutil/host_file_mapper.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkg/sentry/fs/fsutil/host_file_mapper.go b/pkg/sentry/fs/fsutil/host_file_mapper.go index 1390a9a7f..4468f5dd2 100644 --- a/pkg/sentry/fs/fsutil/host_file_mapper.go +++ b/pkg/sentry/fs/fsutil/host_file_mapper.go @@ -70,6 +70,13 @@ func (f *HostFileMapper) Init() { f.mappings = make(map[uint64]mapping) } +// IsInited returns true if f.Init() has been called. This is used when +// restoring a checkpoint that contains a HostFileMapper that may or may not +// have been initialized. +func (f *HostFileMapper) IsInited() bool { + return f.refs != nil +} + // NewHostFileMapper returns an initialized HostFileMapper allocated on the // heap with no references or cached mappings. func NewHostFileMapper() *HostFileMapper { |