From: alex <alex>
Date: Thu, 24 Feb 2005 11:57:06 +0000 (+0000)
Subject: - tuning ported from b1_4
X-Git-Tag: 1.3.4~119
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=1953af5737416c8ec7c73fad685e5c2663bb090a;p=fs%2Flustre-release.git

- tuning ported from b1_4
---

diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c
index 68b7609..70bd9b7 100644
--- a/lustre/ldlm/ldlm_lib.c
+++ b/lustre/ldlm/ldlm_lib.c
@@ -245,10 +245,13 @@ int client_obd_setup(struct obd_device *obddev, obd_count len, void *buf)
         spin_lock_init(&cli->cl_write_rpc_hist.oh_lock);
         spin_lock_init(&cli->cl_read_page_hist.oh_lock);
         spin_lock_init(&cli->cl_write_page_hist.oh_lock);
-        
-        if (num_physpages <= 32768) { /* <= 128 MB */
-                cli->cl_max_pages_per_rpc = PTLRPC_MAX_BRW_PAGES / 3;
-                cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT / 3;
+
+        if (num_physpages >> (20 - PAGE_SHIFT) <= 128) { /* <= 128 MB */
+                cli->cl_max_pages_per_rpc = PTLRPC_MAX_BRW_PAGES / 4;
+                cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT / 4;
+        } else if (num_physpages >> (20 - PAGE_SHIFT) <= 512) { /* <= 512 MB */
+                cli->cl_max_pages_per_rpc = PTLRPC_MAX_BRW_PAGES / 2;
+                cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT / 2;
         } else {
                 cli->cl_max_pages_per_rpc = PTLRPC_MAX_BRW_PAGES;
                 cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT;