From: Sebastien Buisson <sebastien.buisson@bull.net>
Date: Thu, 12 Dec 2013 17:37:51 +0000 (+0100)
Subject: LU-4379 procfs: dont always check max_pages_per_rpc alignement
X-Git-Tag: 2.5.53~17
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F58%2F8558%2F3;p=fs%2Flustre-release.git

LU-4379 procfs: dont always check max_pages_per_rpc alignement

If connection is not established yet, cli->cl_chunkbits is
uninitilized so we cannot use it to check max_pages_per_rpc
alignment.

Signed-off-by: Sebastien Buisson <sebastien.buisson@bull.net>
Change-Id: I4c782e2eeb5a2757d79194ee6ab6bff831a283fc
Reviewed-on: http://review.whamcloud.com/8558
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Emoly Liu <emoly.liu@intel.com>
---

diff --git a/lustre/ldlm/ldlm_lib.c b/lustre/ldlm/ldlm_lib.c
index 7c4bbb7..47279ba 100644
--- a/lustre/ldlm/ldlm_lib.c
+++ b/lustre/ldlm/ldlm_lib.c
@@ -400,6 +400,10 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
 	cli->cl_max_pages_per_rpc = min_t(int, PTLRPC_MAX_BRW_PAGES,
 					  LNET_MTU >> PAGE_CACHE_SHIFT);
 
+	/* set cl_chunkbits default value to PAGE_CACHE_SHIFT,
+	 * it will be updated at OSC connection time. */
+	cli->cl_chunkbits = PAGE_CACHE_SHIFT;
+
 	if (!strcmp(name, LUSTRE_MDC_NAME)) {
 		cli->cl_max_rpcs_in_flight = MDC_MAX_RIF_DEFAULT;
 	} else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 128 /* MB */) {