+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct obd_ioctl_data *data;
+ ENTRY;
+
+ CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), cmd=%#x\n",
+ inode->i_ino, inode->i_generation, inode, cmd);
+
+ if (_IOC_TYPE(cmd) == 'T') /* tty ioctls */
+ return -ENOTTY;
+
+ lprocfs_counter_incr(ll_i2sbi(inode)->ll_stats, LPROC_LL_IOCTL);
+ switch(cmd) {
+ case EXT3_IOC_GETFLAGS:
+ case EXT3_IOC_SETFLAGS:
+ RETURN( ll_iocontrol(inode, file, cmd, arg) );
+ case IOC_MDC_LOOKUP: {
+ struct ptlrpc_request *request = NULL;
+ struct ll_fid fid;
+ char *buf = NULL;
+ char *filename;
+ int namelen, rc, len = 0;
+ unsigned long valid;
+
+ rc = obd_ioctl_getdata(&buf, &len, (void *)arg);
+ if (rc)
+ RETURN(rc);
+ data = (void *)buf;
+
+ filename = data->ioc_inlbuf1;
+ namelen = data->ioc_inllen1;
+
+ if (namelen < 1) {
+ CDEBUG(D_INFO, "IOC_MDC_LOOKUP missing filename\n");
+ GOTO(out, rc = -EINVAL);
+ }
+
+ valid = OBD_MD_FLID;
+ ll_inode2fid(&fid, inode);
+ rc = mdc_getattr_name(sbi->ll_mdc_exp, &fid,
+ filename, namelen, valid, 0, &request);
+ if (rc < 0) {
+ CDEBUG(D_INFO, "mdc_getattr_name: %d\n", rc);
+ GOTO(out, rc);
+ }
+
+ ptlrpc_req_finished(request);
+
+ EXIT;
+ out:
+ obd_ioctl_freedata(buf, len);
+ return rc;
+ }
+ case LL_IOC_LOV_SETSTRIPE:
+ case LL_IOC_LOV_GETSTRIPE:
+ RETURN(-ENOTTY);
+ case IOC_MDC_GETSTRIPE: {
+ struct ptlrpc_request *request = NULL;
+ struct ll_fid fid;
+ struct mds_body *body;
+ struct lov_user_md *lump = (struct lov_user_md *)arg;
+ struct lov_mds_md *lmm;
+ char *filename;
+ int rc, lmmsize;
+
+ filename = getname((const char *)arg);
+ if (IS_ERR(filename))
+ RETURN(PTR_ERR(filename));
+
+ ll_inode2fid(&fid, inode);
+ rc = mdc_getattr_name(sbi->ll_mdc_exp, &fid, filename,
+ strlen(filename)+1, OBD_MD_FLEASIZE,
+ obd_size_diskmd(sbi->ll_osc_exp, NULL),
+ &request);
+ if (rc < 0) {
+ CDEBUG(D_INFO, "mdc_getattr_name failed on %s: rc %d\n",
+ filename, rc);
+ GOTO(out_name, rc);
+ }
+
+ body = lustre_msg_buf(request->rq_repmsg, 0, sizeof (*body));
+ LASSERT(body != NULL); /* checked by mdc_getattr_name */
+ LASSERT_REPSWABBED(request, 0);/* swabbed by mdc_getattr_name */
+
+ lmmsize = body->eadatasize;
+
+ if (!(body->valid & OBD_MD_FLEASIZE) || lmmsize == 0)
+ GOTO(out_req, rc = -ENODATA);
+
+ if (lmmsize > 4096)
+ GOTO(out_req, rc = -EFBIG);
+
+ lmm = lustre_msg_buf(request->rq_repmsg, 1, lmmsize);
+ LASSERT(lmm != NULL);
+ LASSERT_REPSWABBED(request, 1);
+
+ rc = copy_to_user(lump, lmm, lmmsize);
+ if (rc)
+ GOTO(out_req, rc = -EFAULT);
+
+ EXIT;
+ out_req:
+ ptlrpc_req_finished(request);
+ out_name:
+ putname(filename);
+ return rc;
+ }
+ case OBD_IOC_PING: {
+ struct ptlrpc_request *req = NULL;
+ char *buf = NULL;
+ int rc, len=0;
+ struct client_obd *cli;
+ struct obd_device *obd;
+
+ rc = obd_ioctl_getdata(&buf, &len, (void *)arg);
+ if (rc)
+ RETURN(rc);
+ data = (void *)buf;
+
+ obd = class_name2obd(data->ioc_inlbuf1);
+
+ if (!obd )
+ GOTO(out_ping, rc = -ENODEV);
+
+ if (!obd->obd_attached) {
+ CERROR("Device %d not attached\n", obd->obd_minor);
+ GOTO(out_ping, rc = -ENODEV);
+ }
+ if (!obd->obd_set_up) {
+ CERROR("Device %d still not setup\n", obd->obd_minor);
+ GOTO(out_ping, rc = -ENODEV);
+ }
+ cli = &obd->u.cli;
+ req = ptlrpc_prep_req(cli->cl_import, OBD_PING, 0, NULL, NULL);
+ if (!req)
+ GOTO(out_ping, rc = -ENOMEM);
+
+ req->rq_replen = lustre_msg_size(0, NULL);
+ req->rq_send_state = LUSTRE_IMP_FULL;
+
+ rc = ptlrpc_queue_wait(req);
+
+ ptlrpc_req_finished(req);
+ out_ping:
+ obd_ioctl_freedata(buf, len);
+ return rc;
+ }
+ case OBD_IOC_LLOG_CATINFO: {
+ struct ptlrpc_request *req = NULL;
+ char *buf = NULL;
+ int rc, len = 0;
+ char *bufs[2], *str;
+ int lens[2], size;
+
+ rc = obd_ioctl_getdata(&buf, &len, (void *)arg);
+ if (rc)
+ RETURN(rc);
+ data = (void *)buf;
+
+ if (!data->ioc_inlbuf1) {
+ obd_ioctl_freedata(buf, len);
+ RETURN(-EINVAL);
+ }
+
+ lens[0] = data->ioc_inllen1;
+ bufs[0] = data->ioc_inlbuf1;
+ if (data->ioc_inllen2) {
+ lens[1] = data->ioc_inllen2;
+ bufs[1] = data->ioc_inlbuf2;
+ } else {
+ lens[1] = 0;
+ bufs[1] = NULL;
+ }
+ size = data->ioc_plen1;
+ req = ptlrpc_prep_req(sbi2mdc(sbi)->cl_import, LLOG_CATINFO,
+ 2, lens, bufs);
+ if (!req)
+ GOTO(out_catinfo, rc = -ENOMEM);
+ req->rq_replen = lustre_msg_size(1, &size);
+
+ rc = ptlrpc_queue_wait(req);
+ str = lustre_msg_string(req->rq_repmsg, 0, data->ioc_plen1);
+ if (!rc)
+ rc = copy_to_user(data->ioc_pbuf1, str,
+ data->ioc_plen1);
+ ptlrpc_req_finished(req);
+ out_catinfo:
+ obd_ioctl_freedata(buf, len);
+ RETURN(rc);
+ }
+ default:
+ return obd_iocontrol(cmd, sbi->ll_osc_exp,0,NULL,(void *)arg);
+ }