linux-kernel - [PATCH] ext4: Change list_for_each to list_for_each

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Date:   Thu, 31 Dec 2020 10:52:13 +0900
From:   Daejun Park <daejun7.park@...sung.com>
To:     "tytso@....edu" <tytso@....edu>,
        "adilger.kernel@...ger.ca" <adilger.kernel@...ger.ca>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: [PATCH] ext4: Change list_for_each to list_for_each_entry

list_for_each + list_entry can be changed to list_for_each_entry
It reduces number of variables and lines.

Signed-off-by: Daejun Park <daejun7.park@...sung.com>
---
 fs/ext4/fast_commit.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 5b6bb3ef0f33..dc58471971db 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -915,13 +915,11 @@ static int ext4_fc_submit_inode_data_all(journal_t *journal)
 	struct super_block *sb = (struct super_block *)(journal->j_private);
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct ext4_inode_info *ei;
-	struct list_head *pos;
 	int ret = 0;
 
 	spin_lock(&sbi->s_fc_lock);
 	ext4_set_mount_flag(sb, EXT4_MF_FC_COMMITTING);
-	list_for_each(pos, &sbi->s_fc_q[FC_Q_MAIN]) {
-		ei = list_entry(pos, struct ext4_inode_info, i_fc_list);
+	list_for_each_entry(ei, &sbi->s_fc_q[FC_Q_MAIN], i_fc_list) {
 		ext4_set_inode_state(&ei->vfs_inode, EXT4_STATE_FC_COMMITTING);
 		while (atomic_read(&ei->i_fc_updates)) {
 			DEFINE_WAIT(wait);
@@ -1099,8 +1097,7 @@ static int ext4_fc_perform_commit(journal_t *journal)
 		goto out;
 	}
 
-	list_for_each(pos, &sbi->s_fc_q[FC_Q_MAIN]) {
-		iter = list_entry(pos, struct ext4_inode_info, i_fc_list);
+	list_for_each_entry(iter, &sbi->s_fc_q[FC_Q_MAIN], i_fc_list) {
 		inode = &iter->vfs_inode;
 		if (!ext4_test_inode_state(inode, EXT4_STATE_FC_COMMITTING))
 			continue;
-- 
2.25.1