From: Sebastien Buisson <sbuis...@ddn.com>

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 <sbuis...@ddn.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4379
Reviewed-on: http://review.whamcloud.com/8558
Reviewed-by: Andreas Dilger <andreas.dil...@intel.com>
Reviewed-by: Bob Glossman <bob.gloss...@intel.com>
Reviewed-by: Emoly Liu <emoly....@intel.com>
Signed-off-by: James Simmons <jsimm...@infradead.org>
---
 drivers/staging/lustre/lustre/ldlm/ldlm_lib.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c 
b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c
index 00c93f3..a80569c 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c
@@ -356,6 +356,12 @@ 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_SHIFT);
 
+       /*
+        * set cl_chunkbits default value to PAGE_CACHE_SHIFT,
+        * it will be updated at OSC connection time.
+        */
+       cli->cl_chunkbits = PAGE_SHIFT;
+
        if (!strcmp(name, LUSTRE_MDC_NAME)) {
                cli->cl_max_rpcs_in_flight = MDC_MAX_RIF_DEFAULT;
        } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 128 /* MB */) {
-- 
2.7.4

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to