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authorgVisor bot <gvisor-bot@google.com>2020-09-24 17:19:53 +0000
committergVisor bot <gvisor-bot@google.com>2020-09-24 17:19:53 +0000
commit61cc049caaa2317eda73e66f65f82b5099dd2bc2 (patch)
tree352bfc9c114c181e052a9656be9f3b2acd5f7b33 /pkg/sentry/fsimpl/tmpfs/regular_file.go
parent3102024707dc370e025f1b46fa2be12eade2f9cb (diff)
parent0a7075f38a4870ded687e117a299ac4996c0673e (diff)
Merge release-20200914.0-152-g0a7075f38 (automated)
Diffstat (limited to 'pkg/sentry/fsimpl/tmpfs/regular_file.go')
-rw-r--r--pkg/sentry/fsimpl/tmpfs/regular_file.go7
1 files changed, 5 insertions, 2 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/regular_file.go b/pkg/sentry/fsimpl/tmpfs/regular_file.go
index b8699d064..a199eb33d 100644
--- a/pkg/sentry/fsimpl/tmpfs/regular_file.go
+++ b/pkg/sentry/fsimpl/tmpfs/regular_file.go
@@ -36,6 +36,8 @@ import (
)
// regularFile is a regular (=S_IFREG) tmpfs file.
+//
+// +stateify savable
type regularFile struct {
inode inode
@@ -66,7 +68,7 @@ type regularFile struct {
writableMappingPages uint64
// dataMu protects the fields below.
- dataMu sync.RWMutex
+ dataMu sync.RWMutex `state:"nosave"`
// data maps offsets into the file to offsets into memFile that store
// the file's data.
@@ -325,13 +327,14 @@ func (*regularFile) InvalidateUnsavable(context.Context) error {
return nil
}
+// +stateify savable
type regularFileFD struct {
fileDescription
// off is the file offset. off is accessed using atomic memory operations.
// offMu serializes operations that may mutate off.
off int64
- offMu sync.Mutex
+ offMu sync.Mutex `state:"nosave"`
}
// Release implements vfs.FileDescriptionImpl.Release.