f2fs: add sbi and page pointer in f2fs_io_info

This patch adds f2fs_sb_info and page pointers in f2fs_io_info structure.
With this change, we can reduce a lot of parameters for IO functions.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 8 insertions, 10 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 2bb9b577b598..e99a404d97d7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -601,9 +601,11 @@ enum page_type {
 };
 
 struct f2fs_io_info {
+        struct f2fs_sb_info *sbi;       /* f2fs_sb_info pointer */
         enum page_type type;    /* contains DATA/NODE/META/META_FLUSH */
         int rw;                 /* contains R/RS/W/WS with REQ_META/REQ_PRIO */
         block_t blk_addr;       /* block address to be written */
+        struct page *page;      /* page to be written */
 };
 
 #define is_read_io(rw)  (((rw) & 1) == READ)
@@ -1601,11 +1603,9 @@ void allocate_new_segments(struct f2fs_sb_info *);
 int f2fs_trim_fs(struct f2fs_sb_info *, struct fstrim_range *);
 struct page *get_sum_page(struct f2fs_sb_info *, unsigned int);
 void write_meta_page(struct f2fs_sb_info *, struct page *);
-void write_node_page(struct f2fs_sb_info *, struct page *,
-                                unsigned int, struct f2fs_io_info *);
-void write_data_page(struct page *, struct dnode_of_data *,
-                        struct f2fs_io_info *);
-void rewrite_data_page(struct page *, struct f2fs_io_info *);
+void write_node_page(unsigned int, struct f2fs_io_info *);
+void write_data_page(struct dnode_of_data *, struct f2fs_io_info *);
+void rewrite_data_page(struct f2fs_io_info *);
 void recover_data_page(struct f2fs_sb_info *, struct page *,
                                 struct f2fs_summary *, block_t, block_t);
 void allocate_data_block(struct f2fs_sb_info *, struct page *,
@@ -1653,10 +1653,8 @@ void destroy_checkpoint_caches(void);
  * data.c
  */
 void f2fs_submit_merged_bio(struct f2fs_sb_info *, enum page_type, int);
-int f2fs_submit_page_bio(struct f2fs_sb_info *, struct page *,
-                                                struct f2fs_io_info *);
-void f2fs_submit_page_mbio(struct f2fs_sb_info *, struct page *,
-                                                struct f2fs_io_info *);
+int f2fs_submit_page_bio(struct f2fs_io_info *);
+void f2fs_submit_page_mbio(struct f2fs_io_info *);
 void set_data_blkaddr(struct dnode_of_data *);
 int reserve_new_block(struct dnode_of_data *);
 int f2fs_reserve_block(struct dnode_of_data *, pgoff_t);
@@ -1668,7 +1666,7 @@ void f2fs_preserve_extent_tree(struct inode *);
 struct page *find_data_page(struct inode *, pgoff_t, bool);
 struct page *get_lock_data_page(struct inode *, pgoff_t);
 struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool);
-int do_write_data_page(struct page *, struct f2fs_io_info *);
+int do_write_data_page(struct f2fs_io_info *);
 int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *, u64, u64);
 void init_extent_cache_info(struct f2fs_sb_info *);
 int __init create_extent_cache(void);