f2fs: use list_for_each_entry{_safe} for simplyfying code

This patch use list_for_each_entry{_safe} instead of list_for_each{_safe} for
simplfying code.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 570ab9a084c5..cb49e6390ffa 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -340,8 +340,7 @@ static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
 void clear_prefree_segments(struct f2fs_sb_info *sbi)
 {
         struct list_head *head = &(SM_I(sbi)->discard_list);
-        struct list_head *this, *next;
-        struct discard_entry *entry;
+        struct discard_entry *entry, *this;
         struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
         unsigned long *prefree_map = dirty_i->dirty_segmap[PRE];
         unsigned int total_segs = TOTAL_SEGS(sbi);
@@ -370,8 +369,7 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi)
         mutex_unlock(&dirty_i->seglist_lock);
 
         /* send small discards */
-        list_for_each_safe(this, next, head) {
-                entry = list_entry(this, struct discard_entry, list);
+        list_for_each_entry_safe(entry, this, head, list) {
                 f2fs_issue_discard(sbi, entry->blkaddr, entry->len);
                 list_del(&entry->list);
                 SM_I(sbi)->nr_discards -= entry->len;