Commit af8ff65b authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: introduce release_discard_addr() for cleanup 



Introduce release_discard_addr() to include common codes for cleanup.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
[Fengguang Wu: declare static function, reported by kbuild test robot]
Signed-off-by: default avatarFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent a9af3fdc

fs/f2fs/segment.c

+9 −6
Original line number Diff line number Diff line
@@ -1581,16 +1581,20 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc, 
	return false;

}



static void release_discard_addr(struct discard_entry *entry)

{

	list_del(&entry->list);

	kmem_cache_free(discard_entry_slab, entry);

}



void release_discard_addrs(struct f2fs_sb_info *sbi)

{

	struct list_head *head = &(SM_I(sbi)->dcc_info->entry_list);

	struct discard_entry *entry, *this;



	/* drop caches */

	list_for_each_entry_safe(entry, this, head, list) {

		list_del(&entry->list);

		kmem_cache_free(discard_entry_slab, entry);

	}

	list_for_each_entry_safe(entry, this, head, list)

		release_discard_addr(entry);

}



/*
@@ -1690,9 +1694,8 @@ void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc) 
		if (cur_pos < sbi->blocks_per_seg)

			goto find_next;



		list_del(&entry->list);

		release_discard_addr(entry);

		dcc->nr_discards -= total_len;

		kmem_cache_free(discard_entry_slab, entry);

	}



	wake_up_discard_thread(sbi, false);