unsigned int count; /* # of extent node in rb-tree*/
};
+/*
+ * This structure is taken from ext4_map_blocks.
+ *
+ * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks().
+ */
+#define F2FS_MAP_NEW (1 << BH_New)
+#define F2FS_MAP_MAPPED (1 << BH_Mapped)
+#define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED)
+
+struct f2fs_map_blocks {
+ block_t m_pblk;
+ block_t m_lblk;
+ unsigned int m_len;
+ unsigned int m_flags;
+};
+
/*
* i_advise uses FADVISE_XXX_BIT. We can add additional hints later.
*/
};
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)
/*
* super.c
*/
+int f2fs_commit_super(struct f2fs_sb_info *);
int f2fs_sync_fs(struct super_block *, int);
extern __printf(3, 4)
void f2fs_msg(struct super_block *, const char *, const char *, ...);
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 *,
* 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);
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);
/*
* inline.c
*/
-bool f2fs_may_inline(struct inode *);
+bool f2fs_may_inline_data(struct inode *);
+bool f2fs_may_inline_dentry(struct inode *);
void read_inline_data(struct page *, struct page *);
bool truncate_inline_inode(struct page *, u64);
int f2fs_read_inline_data(struct inode *, struct page *);