linux-kernel - [PATCH 2/2] fuse: use list_first

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Date:	Wed,  8 Jun 2016 18:48:02 +0800
From:	Geliang Tang <geliangtang@...il.com>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	Geliang Tang <geliangtang@...il.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] fuse: use list_first_entry

To make the intention clearer, use list_first_entry() instead of
list_entry().

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 fs/fuse/dev.c  | 6 +++---
 fs/fuse/file.c | 3 ++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 1432cf7..a766983 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -359,7 +359,7 @@ static void flush_bg_queue(struct fuse_conn *fc)
 		struct fuse_req *req;
 		struct fuse_iqueue *fiq = &fc->iq;
 
-		req = list_entry(fc->bg_queue.next, struct fuse_req, list);
+		req = list_first_entry(&fc->bg_queue, struct fuse_req, list);
 		list_del(&req->list);
 		fc->active_background++;
 		spin_lock(&fiq->waitq.lock);
@@ -1272,7 +1272,7 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file,
 			fiq->forget_batch = 16;
 	}
 
-	req = list_entry(fiq->pending.next, struct fuse_req, list);
+	req = list_first_entry(&fiq->pending, struct fuse_req, list);
 	clear_bit(FR_PENDING, &req->flags);
 	list_del_init(&req->list);
 	spin_unlock(&fiq->waitq.lock);
@@ -2080,7 +2080,7 @@ static void end_requests(struct fuse_conn *fc, struct list_head *head)
 {
 	while (!list_empty(head)) {
 		struct fuse_req *req;
-		req = list_entry(head->next, struct fuse_req, list);
+		req = list_first_entry(head, struct fuse_req, list);
 		req->out.h.error = -ECONNABORTED;
 		clear_bit(FR_PENDING, &req->flags);
 		clear_bit(FR_SENT, &req->flags);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c1d97a1..07c00a4 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1509,7 +1509,8 @@ __acquires(fc->lock)
 	struct fuse_req *req;
 
 	while (fi->writectr >= 0 && !list_empty(&fi->queued_writes)) {
-		req = list_entry(fi->queued_writes.next, struct fuse_req, list);
+		req = list_first_entry(&fi->queued_writes, struct fuse_req,
+				       list);
 		list_del_init(&req->list);
 		fuse_send_writepage(fc, req, crop);
 	}
-- 
1.9.1