diff --git a/hw/virtio-9p-debug.c b/hw/virtio-9p-debug.c
index 85c9900672a32c1d01f23b4404aceab706635554..8f3c321aec23b7b769de8b501f26c21f50ca960d 100644
--- a/hw/virtio-9p-debug.c
+++ b/hw/virtio-9p-debug.c
@@ -535,6 +535,13 @@ void pprint_pdu(V9fsPDU *pdu)
     case P9_RCLUNK:
         fprintf(llogfile, "RCLUNK: (");
         break;
+    case P9_TFSYNC:
+        fprintf(llogfile, "TFSYNC: (");
+        pprint_int32(pdu, 0, &offset, "fid");
+        break;
+    case P9_RFSYNC:
+        fprintf(llogfile, "RFSYNC: (");
+        break;
     case P9_TLINK:
         fprintf(llogfile, "TLINK: (");
         pprint_int32(pdu, 0, &offset, "fid");
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index 8ae233eb80786db9eb03ff48bfd6210a3837c3a1..e8eec7f60a10ca83848fc278a5adddd50e081264 100644
--- a/hw/virtio-9p.c
+++ b/hw/virtio-9p.c
@@ -1837,6 +1837,32 @@ out:
     qemu_free(vs);
 }
 
+static void v9fs_post_do_fsync(V9fsState *s, V9fsPDU *pdu, int err)
+{
+    if (err == -1) {
+        err = -errno;
+    }
+    complete_pdu(s, pdu, err);
+}
+
+static void v9fs_fsync(V9fsState *s, V9fsPDU *pdu)
+{
+    int32_t fid;
+    size_t offset = 7;
+    V9fsFidState *fidp;
+    int err;
+
+    pdu_unmarshal(pdu, offset, "d", &fid);
+    fidp = lookup_fid(s, fid);
+    if (fidp == NULL) {
+        err = -ENOENT;
+        v9fs_post_do_fsync(s, pdu, err);
+        return;
+    }
+    err = v9fs_do_fsync(s, fidp->fs.fd);
+    v9fs_post_do_fsync(s, pdu, err);
+}
+
 static void v9fs_clunk(V9fsState *s, V9fsPDU *pdu)
 {
     int32_t fid;
@@ -3514,6 +3540,7 @@ static pdu_handler_t *pdu_handlers[] = {
     [P9_TSTAT] = v9fs_stat,
     [P9_TWALK] = v9fs_walk,
     [P9_TCLUNK] = v9fs_clunk,
+    [P9_TFSYNC] = v9fs_fsync,
     [P9_TOPEN] = v9fs_open,
     [P9_TREAD] = v9fs_read,
 #if 0
diff --git a/hw/virtio-9p.h b/hw/virtio-9p.h
index 6a688950e36ad46d10976cd8691c47412d2b76a4..637cea638d91fea44718c2f6be453342a49b9240 100644
--- a/hw/virtio-9p.h
+++ b/hw/virtio-9p.h
@@ -37,6 +37,8 @@ enum {
     P9_RXATTRCREATE,
     P9_TREADDIR = 40,
     P9_RREADDIR,
+    P9_TFSYNC = 50,
+    P9_RFSYNC,
     P9_TLOCK = 52,
     P9_RLOCK,
     P9_TGETLOCK = 54,