Merge "f2fs: fix sbi->extent_list corruption issue"

fs/f2fs/f2fs.h

@@ -3172,6 +3172,7 @@ struct rb_entry *__lookup_rb_tree_ret(struct rb_root *root,
 bool __check_rb_tree_consistence(struct f2fs_sb_info *sbi,
 						struct rb_root *root);
 unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink);
+unsigned long __count_extent_cache(struct f2fs_sb_info *sbi);
 bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext);
 void f2fs_drop_extent_tree(struct inode *inode);
 unsigned int f2fs_destroy_extent_node(struct inode *inode);

fs/f2fs/shrinker.c

@@ -33,7 +33,7 @@ static unsigned long __count_free_nids(struct f2fs_sb_info *sbi)
 	return count > 0 ? count : 0;
 }
 
-static unsigned long __count_extent_cache(struct f2fs_sb_info *sbi)
+unsigned long __count_extent_cache(struct f2fs_sb_info *sbi)
 {
 	return atomic_read(&sbi->total_zombie_tree) +
 				atomic_read(&sbi->total_ext_node);

fs/f2fs/super.c

@@ -2637,6 +2637,16 @@ static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi)
 	}
 }
 
+static void f2fs_cleanup_inodes(struct f2fs_sb_info *sbi)
+{
+	struct super_block *sb = sbi->sb;
+
+	sync_filesystem(sb);
+	shrink_dcache_sb(sb);
+	evict_inodes(sb);
+	f2fs_shrink_extent_tree(sbi, __count_extent_cache(sbi));
+}
+
 static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
 {
 	struct f2fs_sb_info *sbi;
@@ -3011,6 +3021,8 @@ free_meta:
 	 * falls into an infinite loop in sync_meta_pages().
 	 */
 	truncate_inode_pages_final(META_MAPPING(sbi));
+	/* cleanup recovery and quota inodes */
+	f2fs_cleanup_inodes(sbi);
 #ifdef CONFIG_QUOTA
 free_sysfs:
 #endif
@@ -3057,7 +3069,6 @@ free_sbi:
 	/* give only one another chance */
 	if (retry) {
 		retry = false;
-		shrink_dcache_sb(sb);
 		goto try_onemore;
 	}
 	return err;