linux-kernel - [PATCH 03/12] staging: lustre: ldlm: use list_first_entry in ldlm

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Date:   Wed, 13 Dec 2017 14:15:54 +1100
From:   NeilBrown <neilb@...e.com>
To:     Oleg Drokin <oleg.drokin@...el.com>,
        James Simmons <jsimmons@...radead.org>,
        Andreas Dilger <andreas.dilger@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, lustre-devel@...ts.lustre.org
Subject: [PATCH 03/12] staging: lustre: ldlm: use list_first_entry in
 ldlm_lockd.c

This is only a small simplification, but it makes the code
a little clearer.

Signed-off-by: NeilBrown <neilb@...e.com>
---
 drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
index ada50b69c5f6..5f6e7c933b81 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c
@@ -696,13 +696,13 @@ static int ldlm_bl_get_work(struct ldlm_bl_pool *blp,
 	/* process a request from the blp_list at least every blp_num_threads */
 	if (!list_empty(&blp->blp_list) &&
 	    (list_empty(&blp->blp_prio_list) || num_bl == 0))
-		blwi = list_entry(blp->blp_list.next,
-				  struct ldlm_bl_work_item, blwi_entry);
+		blwi = list_first_entry(&blp->blp_list,
+					struct ldlm_bl_work_item, blwi_entry);
 	else
 		if (!list_empty(&blp->blp_prio_list))
-			blwi = list_entry(blp->blp_prio_list.next,
-					  struct ldlm_bl_work_item,
-					  blwi_entry);
+			blwi = list_first_entry(&blp->blp_prio_list,
+						struct ldlm_bl_work_item,
+						blwi_entry);
 
 	if (blwi) {
 		if (++num_bl >= num_th)