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authorFabricio Voznika <fvoznika@google.com>2020-06-09 18:44:57 -0700
committergVisor bot <gvisor-bot@google.com>2020-06-09 18:46:42 -0700
commit67565078bbcdd8f797206d996605df8f6658d00a (patch)
tree4df1f03703f1ee1c0ed6901acf0117f5d815fea6 /pkg/sentry/devices/memdev/full.go
parent52c922f7c00c3cdb5ddf001ae453cc65881cde2c (diff)
Implement flock(2) in VFS2
LockFD is the generic implementation that can be embedded in FileDescriptionImpl implementations. Unique lock ID is maintained in vfs.FileDescription and is created on demand. Updates #1480 PiperOrigin-RevId: 315604825
Diffstat (limited to 'pkg/sentry/devices/memdev/full.go')
-rw-r--r--pkg/sentry/devices/memdev/full.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/devices/memdev/full.go b/pkg/sentry/devices/memdev/full.go
index c7e197691..af66fe4dc 100644
--- a/pkg/sentry/devices/memdev/full.go
+++ b/pkg/sentry/devices/memdev/full.go
@@ -42,6 +42,7 @@ type fullFD struct {
vfsfd vfs.FileDescription
vfs.FileDescriptionDefaultImpl
vfs.DentryMetadataFileDescriptionImpl
+ vfs.NoLockFD
}
// Release implements vfs.FileDescriptionImpl.Release.