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-rw-r--r--pkg/sentry/syscalls/linux/flags.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/syscalls/linux/flags.go b/pkg/sentry/syscalls/linux/flags.go
index 0c1b5ec27..444f2b004 100644
--- a/pkg/sentry/syscalls/linux/flags.go
+++ b/pkg/sentry/syscalls/linux/flags.go
@@ -41,6 +41,7 @@ func flagsToPermissions(mask uint) (p fs.PermMask) {
func linuxToFlags(mask uint) fs.FileFlags {
return fs.FileFlags{
Direct: mask&linux.O_DIRECT != 0,
+ DSync: mask&(linux.O_DSYNC|linux.O_SYNC) != 0,
Sync: mask&linux.O_SYNC != 0,
NonBlocking: mask&linux.O_NONBLOCK != 0,
Read: (mask & linux.O_ACCMODE) != linux.O_WRONLY,