From: Sebastien Buisson <sbuisson@xxxxxxx> 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 <sbuisson@xxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4379 Reviewed-on: http://review.whamcloud.com/8558 Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> Reviewed-by: Bob Glossman <bob.glossman@xxxxxxxxx> Reviewed-by: Emoly Liu <emoly.liu@xxxxxxxxx> Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx> --- 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 devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
