diff mbox series

[-next] ext4: mballoc: Use LIST_HEAD() to initialize the list_head

Message ID 20230812071839.3481909-1-ruanjinjie@huawei.com
State Awaiting Upstream
Headers show
Series [-next] ext4: mballoc: Use LIST_HEAD() to initialize the list_head | expand

Commit Message

Jinjie Ruan Aug. 12, 2023, 7:18 a.m. UTC 
Use LIST_HEAD() to initialize the list_head instead of open-coding it.

Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
---
 fs/ext4/mballoc.c | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

Comments

Theodore Ts'o Aug. 24, 2023, 4:53 a.m. UTC | #1 
On Sat, 12 Aug 2023 15:18:39 +0800, Ruan Jinjie wrote:
> Use LIST_HEAD() to initialize the list_head instead of open-coding it.
> 
> 

Applied, thanks!

[1/1] ext4: mballoc: Use LIST_HEAD() to initialize the list_head
      commit: 78a83061cbfac4f3abb471c57ed2302f85926447

Best regards,
diff mbox series

Patch

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 21b903fe546e..2130a310b784 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3501,11 +3501,10 @@  static void ext4_discard_work(struct work_struct *work)
 	struct super_block *sb = sbi->s_sb;
 	struct ext4_free_data *fd, *nfd;
 	struct ext4_buddy e4b;
-	struct list_head discard_list;
+	LIST_HEAD(discard_list);
 	ext4_group_t grp, load_grp;
 	int err = 0;
 
-	INIT_LIST_HEAD(&discard_list);
 	spin_lock(&sbi->s_md_lock);
 	list_splice_init(&sbi->s_discard_list, &discard_list);
 	spin_unlock(&sbi->s_md_lock);
@@ -3879,12 +3878,10 @@  void ext4_process_freed_data(struct super_block *sb, tid_t commit_tid)
 {
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct ext4_free_data *entry, *tmp;
-	struct list_head freed_data_list;
+	LIST_HEAD(freed_data_list);
 	struct list_head *cut_pos = NULL;
 	bool wake;
 
-	INIT_LIST_HEAD(&freed_data_list);
-
 	spin_lock(&sbi->s_md_lock);
 	list_for_each_entry(entry, &sbi->s_freed_data_list, efd_list) {
 		if (entry->efd_tid != commit_tid)
@@ -5419,7 +5416,7 @@  ext4_mb_discard_group_preallocations(struct super_block *sb,
 	struct ext4_group_info *grp = ext4_get_group_info(sb, group);
 	struct buffer_head *bitmap_bh = NULL;
 	struct ext4_prealloc_space *pa, *tmp;
-	struct list_head list;
+	LIST_HEAD(list);
 	struct ext4_buddy e4b;
 	struct ext4_inode_info *ei;
 	int err;
@@ -5448,7 +5445,6 @@  ext4_mb_discard_group_preallocations(struct super_block *sb,
 		goto out_dbg;
 	}
 
-	INIT_LIST_HEAD(&list);
 	ext4_lock_group(sb, group);
 	list_for_each_entry_safe(pa, tmp,
 				&grp->bb_prealloc_list, pa_group_list) {
@@ -5529,7 +5525,7 @@  void ext4_discard_preallocations(struct inode *inode, unsigned int needed)
 	struct buffer_head *bitmap_bh = NULL;
 	struct ext4_prealloc_space *pa, *tmp;
 	ext4_group_t group = 0;
-	struct list_head list;
+	LIST_HEAD(list);
 	struct ext4_buddy e4b;
 	struct rb_node *iter;
 	int err;
@@ -5546,8 +5542,6 @@  void ext4_discard_preallocations(struct inode *inode, unsigned int needed)
 	trace_ext4_discard_preallocations(inode,
 			atomic_read(&ei->i_prealloc_active), needed);
 
-	INIT_LIST_HEAD(&list);
-
 	if (needed == 0)
 		needed = UINT_MAX;
 
@@ -5865,13 +5859,11 @@  ext4_mb_discard_lg_preallocations(struct super_block *sb,
 {
 	ext4_group_t group = 0;
 	struct ext4_buddy e4b;
-	struct list_head discard_list;
+	LIST_HEAD(discard_list);
 	struct ext4_prealloc_space *pa, *tmp;
 
 	mb_debug(sb, "discard locality group preallocation\n");
 
-	INIT_LIST_HEAD(&discard_list);
-
 	spin_lock(&lg->lg_prealloc_lock);
 	list_for_each_entry_rcu(pa, &lg->lg_prealloc_list[order],
 				pa_node.lg_list,