diff options
Diffstat (limited to 'hw/virtio-9p.c')
| -rw-r--r-- | hw/virtio-9p.c | 38 |
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, |