f2fs: add __init to functions in init_f2fs_fs

Add __init to functions in init_f2fs_fs for code consistency.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index d75c86a..ff3c843 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -771,7 +771,7 @@
 	sbi->n_orphans = 0;
 }
 
-int create_checkpoint_caches(void)
+int __init create_checkpoint_caches(void)
 {
 	orphan_entry_slab = f2fs_kmem_cache_create("f2fs_orphan_entry",
 			sizeof(struct orphan_inode_entry), NULL);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 976325d..c8e2d75 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -914,7 +914,7 @@
 void flush_nat_entries(struct f2fs_sb_info *);
 int build_node_manager(struct f2fs_sb_info *);
 void destroy_node_manager(struct f2fs_sb_info *);
-int create_node_manager_caches(void);
+int __init create_node_manager_caches(void);
 void destroy_node_manager_caches(void);
 
 /*
@@ -966,7 +966,7 @@
 void block_operations(struct f2fs_sb_info *);
 void write_checkpoint(struct f2fs_sb_info *, bool, bool);
 void init_orphan_info(struct f2fs_sb_info *);
-int create_checkpoint_caches(void);
+int __init create_checkpoint_caches(void);
 void destroy_checkpoint_caches(void);
 
 /*
@@ -988,7 +988,7 @@
 block_t start_bidx_of_node(unsigned int);
 int f2fs_gc(struct f2fs_sb_info *);
 void build_gc_manager(struct f2fs_sb_info *);
-int create_gc_caches(void);
+int __init create_gc_caches(void);
 void destroy_gc_caches(void);
 
 /*
@@ -1060,7 +1060,7 @@
 
 int f2fs_build_stats(struct f2fs_sb_info *);
 void f2fs_destroy_stats(struct f2fs_sb_info *);
-void f2fs_create_root_stats(void);
+void __init f2fs_create_root_stats(void);
 void f2fs_destroy_root_stats(void);
 #else
 #define stat_inc_call_count(si)
@@ -1071,7 +1071,7 @@
 
 static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; }
 static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { }
-static inline void f2fs_create_root_stats(void) { }
+static inline void __init f2fs_create_root_stats(void) { }
 static inline void f2fs_destroy_root_stats(void) { }
 #endif
 
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index b4dd90c..809cfec 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -697,7 +697,7 @@
 	DIRTY_I(sbi)->v_ops = &default_v_ops;
 }
 
-int create_gc_caches(void)
+int __init create_gc_caches(void)
 {
 	winode_slab = f2fs_kmem_cache_create("f2fs_gc_inodes",
 			sizeof(struct inode_entry), NULL);
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 5066bfd..f177c01 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1732,7 +1732,7 @@
 	kfree(nm_i);
 }
 
-int create_node_manager_caches(void)
+int __init create_node_manager_caches(void)
 {
 	nat_entry_slab = f2fs_kmem_cache_create("nat_entry",
 			sizeof(struct nat_entry), NULL);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index d551a72..37fad04 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -640,7 +640,7 @@
 	.fs_flags	= FS_REQUIRES_DEV,
 };
 
-static int init_inodecache(void)
+static int __init init_inodecache(void)
 {
 	f2fs_inode_cachep = f2fs_kmem_cache_create("f2fs_inode_cache",
 			sizeof(struct f2fs_inode_info), NULL);