linux-kernel - [PATCH 10/17] lustre/ldlm: set l_lvb_type coherent when layout is returned

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Message-Id: <1393640206-20286-11-git-send-email-green@linuxhacker.ru>
Date:	Fri, 28 Feb 2014 21:16:39 -0500
From:	Oleg Drokin <green@...uxhacker.ru>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Cc:	Bruno Faccini <bruno.faccini@...el.com>,
	Oleg Drokin <oleg.drokin@...el.com>
Subject: [PATCH 10/17] lustre/ldlm: set l_lvb_type coherent when layout is returned

From: Bruno Faccini <bruno.faccini@...el.com>

In case layout has been packed into server reply when not
requested, lock l_lvb_type must be set accordingly.

Signed-off-by: Bruno Faccini <bruno.faccini@...el.com>
Reviewed-on: http://review.whamcloud.com/8270
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4194
Reviewed-by: Jinshan Xiong <jinshan.xiong@...el.com>
Reviewed-by: Johann Lombardi <johann.lombardi@...el.com>
Signed-off-by: Oleg Drokin <oleg.drokin@...el.com>
---
 drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c | 1 +
 drivers/staging/lustre/lustre/mdc/mdc_locks.c   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
index 3ed020e..d87048d 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
@@ -228,6 +228,7 @@ static void ldlm_handle_cp_callback(struct ptlrpc_request *req,
 
 			lock_res_and_lock(lock);
 			LASSERT(lock->l_lvb_data == NULL);
+			lock->l_lvb_type = LVB_T_LAYOUT;
 			lock->l_lvb_data = lvb_data;
 			lock->l_lvb_len = lvb_len;
 			unlock_res_and_lock(lock);
diff --git a/drivers/staging/lustre/lustre/mdc/mdc_locks.c b/drivers/staging/lustre/lustre/mdc/mdc_locks.c
index 81adc2b..b0d0e2a 100644
--- a/drivers/staging/lustre/lustre/mdc/mdc_locks.c
+++ b/drivers/staging/lustre/lustre/mdc/mdc_locks.c
@@ -753,6 +753,7 @@ static int mdc_finish_enqueue(struct obd_export *exp,
 		/* install lvb_data */
 		lock_res_and_lock(lock);
 		if (lock->l_lvb_data == NULL) {
+			lock->l_lvb_type = LVB_T_LAYOUT;
 			lock->l_lvb_data = lmm;
 			lock->l_lvb_len = lvb_len;
 			lmm = NULL;
-- 
1.8.5.3

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