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Diffstat (limited to 'hw/virtio-9p.c')
-rw-r--r--hw/virtio-9p.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/hw/virtio-9p.c b/hw/virtio-9p.c
index 39e63cb773..d1c3cf8ddc 100644
--- a/hw/virtio-9p.c
+++ b/hw/virtio-9p.c
@@ -2307,6 +2307,43 @@ static void v9fs_flush(V9fsState *s, V9fsPDU *pdu)
complete_pdu(s, pdu, 7);
}
+static void v9fs_link(V9fsState *s, V9fsPDU *pdu)
+{
+ int32_t dfid, oldfid;
+ V9fsFidState *dfidp, *oldfidp;
+ V9fsString name, fullname;
+ size_t offset = 7;
+ int err = 0;
+
+ v9fs_string_init(&fullname);
+
+ pdu_unmarshal(pdu, offset, "dds", &dfid, &oldfid, &name);
+
+ dfidp = lookup_fid(s, dfid);
+ if (dfidp == NULL) {
+ err = -errno;
+ goto out;
+ }
+
+ oldfidp = lookup_fid(s, oldfid);
+ if (oldfidp == NULL) {
+ err = -errno;
+ goto out;
+ }
+
+ v9fs_string_sprintf(&fullname, "%s/%s", dfidp->path.data, name.data);
+ err = offset;
+ err = v9fs_do_link(s, &oldfidp->path, &fullname);
+ if (err) {
+ err = -errno;
+ }
+ v9fs_string_free(&fullname);
+
+out:
+ v9fs_string_free(&name);
+ complete_pdu(s, pdu, err);
+}
+
static void v9fs_remove_post_remove(V9fsState *s, V9fsRemoveState *vs,
int err)
{
@@ -2680,6 +2717,7 @@ static pdu_handler_t *pdu_handlers[] = {
[P9_TAUTH] = v9fs_auth,
#endif
[P9_TFLUSH] = v9fs_flush,
+ [P9_TLINK] = v9fs_link,
[P9_TCREATE] = v9fs_create,
[P9_TWRITE] = v9fs_write,
[P9_TWSTAT] = v9fs_wstat,