static void v9fs_rename(void *opaque) { int32_t fid; ssize_t err = 0; size_t offset = 7; V9fsString name; int32_t newdirfid; V9fsFidState *fidp; V9fsPDU *pdu = opaque; V9fsState *s = pdu->s; v9fs_string_init(&name); err = pdu_unmarshal(pdu, offset, "dds", &fid, &newdirfid, &name); if (err < 0) { fidp = get_fid(pdu, fid); if (fidp == NULL) { BUG_ON(fidp->fid_type != P9_FID_NONE); /* if fs driver is not path based, return EOPNOTSUPP */ if (!(pdu->s->ctx.export_flags & V9FS_PATHNAME_FSCONTEXT)) { err = -EOPNOTSUPP; goto out; v9fs_path_write_lock(s); err = v9fs_complete_rename(pdu, fidp, newdirfid, &name); v9fs_path_unlock(s); if (!err) { err = offset; out: put_fid(pdu, fidp); out_nofid: pdu_complete(pdu, err); v9fs_string_free(&name);