LU-2089 ofd: do not pin pages provided by osd

[fs/lustre-release.git] / lustre / ptlrpc / client.c

diff --git a/lustre/ptlrpc/client.c b/lustre/ptlrpc/client.c
index 35b1443..a41cd32 100644 (file)
--- a/lustre/ptlrpc/client.c
+++ b/lustre/ptlrpc/client.c
@@ -155,8 +155,8 @@ EXPORT_SYMBOL(ptlrpc_prep_bulk_imp);
  * Data to transfer in the page starts at offset \a pageoffset and
  * amount of data to transfer from the page is \a len
  */
-void ptlrpc_prep_bulk_page(struct ptlrpc_bulk_desc *desc,
-                           cfs_page_t *page, int pageoffset, int len)
+void __ptlrpc_prep_bulk_page(struct ptlrpc_bulk_desc *desc,
+                            cfs_page_t *page, int pageoffset, int len, int pin)
 {
         LASSERT(desc->bd_iov_count < desc->bd_max_iov);
         LASSERT(page != NULL);
@@ -166,16 +166,18 @@ void ptlrpc_prep_bulk_page(struct ptlrpc_bulk_desc *desc,
 
         desc->bd_nob += len;
 
-        cfs_page_pin(page);
+       if (pin)
+               cfs_page_pin(page);
+
         ptlrpc_add_bulk_page(desc, page, pageoffset, len);
 }
-EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
+EXPORT_SYMBOL(__ptlrpc_prep_bulk_page);
 
 /**
  * Uninitialize and free bulk descriptor \a desc.
  * Works on bulk descriptors both from server and client side.
  */
-void ptlrpc_free_bulk(struct ptlrpc_bulk_desc *desc)
+void __ptlrpc_free_bulk(struct ptlrpc_bulk_desc *desc, int unpin)
 {
         int i;
         ENTRY;
@@ -192,14 +194,16 @@ void ptlrpc_free_bulk(struct ptlrpc_bulk_desc *desc)
         else
                 class_import_put(desc->bd_import);
 
-        for (i = 0; i < desc->bd_iov_count ; i++)
-                cfs_page_unpin(desc->bd_iov[i].kiov_page);
+       if (unpin) {
+               for (i = 0; i < desc->bd_iov_count ; i++)
+                       cfs_page_unpin(desc->bd_iov[i].kiov_page);
+       }
 
         OBD_FREE(desc, offsetof(struct ptlrpc_bulk_desc,
                                 bd_iov[desc->bd_max_iov]));
         EXIT;
 }
-EXPORT_SYMBOL(ptlrpc_free_bulk);
+EXPORT_SYMBOL(__ptlrpc_free_bulk);
 
 /**
  * Set server timelimit for this req, i.e. how long are we willing to wait
@@ -1191,24 +1195,6 @@ static int ptlrpc_check_status(struct ptlrpc_request *req)
         if (lustre_msg_get_type(req->rq_repmsg) == PTL_RPC_MSG_ERR) {
                 struct obd_import *imp = req->rq_import;
                 __u32 opc = lustre_msg_get_opc(req->rq_reqmsg);
-                LCONSOLE_ERROR_MSG(0x011,"an error occurred while communicating"
-                                " with %s. The %s operation failed with %d\n",
-                                libcfs_nid2str(imp->imp_connection->c_peer.nid),
-                                ll_opcode2str(opc), err);
-                RETURN(err < 0 ? err : -EINVAL);
-        }
-
-        if (err < 0) {
-                DEBUG_REQ(D_INFO, req, "status is %d", err);
-        } else if (err > 0) {
-                /* XXX: translate this error from net to host */
-                DEBUG_REQ(D_INFO, req, "status is %d", err);
-        }
-
-        if (lustre_msg_get_type(req->rq_repmsg) == PTL_RPC_MSG_ERR) {
-                struct obd_import *imp = req->rq_import;
-                __u32 opc = lustre_msg_get_opc(req->rq_reqmsg);
-
                 if (ptlrpc_console_allow(req))
                         LCONSOLE_ERROR_MSG(0x011,"an error occurred while "
                                            "communicating with %s. The %s "
@@ -1216,10 +1202,16 @@ static int ptlrpc_check_status(struct ptlrpc_request *req)
                                            libcfs_nid2str(
                                            imp->imp_connection->c_peer.nid),
                                            ll_opcode2str(opc), err);
-
                 RETURN(err < 0 ? err : -EINVAL);
         }
 
+        if (err < 0) {
+                DEBUG_REQ(D_INFO, req, "status is %d", err);
+        } else if (err > 0) {
+                /* XXX: translate this error from net to host */
+                DEBUG_REQ(D_INFO, req, "status is %d", err);
+        }
+
         RETURN(err);
 }