1 files changed, 18 insertions, 21 deletions

diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index c838c4d7211..5f093760946 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -136,6 +136,7 @@ struct logfs_area_ops {
 	int	(*erase_segment)(struct logfs_area *area);
 };
 
+struct logfs_super;	/* forward */
 /**
  * struct logfs_device_ops - device access operations
  *
@@ -156,7 +157,7 @@ struct logfs_device_ops {
 			int ensure_write);
 	int (*can_write_buf)(struct super_block *sb, u64 ofs);
 	void (*sync)(struct super_block *sb);
-	void (*put_device)(struct super_block *sb);
+	void (*put_device)(struct logfs_super *s);
 };
 
 /**
@@ -471,11 +472,13 @@ void logfs_compr_exit(void);
 
 /* dev_bdev.c */
 #ifdef CONFIG_BLOCK
-int logfs_get_sb_bdev(struct file_system_type *type, int flags,
-		const char *devname, struct vfsmount *mnt);
+int logfs_get_sb_bdev(struct logfs_super *s,
+		struct file_system_type *type,
+		const char *devname);
 #else
-static inline int logfs_get_sb_bdev(struct file_system_type *type, int flags,
-		const char *devname, struct vfsmount *mnt)
+static inline int logfs_get_sb_bdev(struct logfs_super *s,
+		struct file_system_type *type,
+		const char *devname)
 {
 	return -ENODEV;
 }
@@ -483,11 +486,9 @@ static inline int logfs_get_sb_bdev(struct file_system_type *type, int flags,
 
 /* dev_mtd.c */
 #ifdef CONFIG_MTD
-int logfs_get_sb_mtd(struct file_system_type *type, int flags,
-		int mtdnr, struct vfsmount *mnt);
+int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr);
 #else
-static inline int logfs_get_sb_mtd(struct file_system_type *type, int flags,
-		int mtdnr, struct vfsmount *mnt)
+static inline int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr)
 {
 	return -ENODEV;
 }
@@ -504,9 +505,8 @@ extern const struct inode_operations logfs_reg_iops;
 extern const struct file_operations logfs_reg_fops;
 extern const struct address_space_operations logfs_reg_aops;
 int logfs_readpage(struct file *file, struct page *page);
-int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		unsigned long arg);
-int logfs_fsync(struct file *file, int datasync);
+long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+int logfs_fsync(struct file *file, loff_t start, loff_t end, int datasync);
 
 /* gc.c */
 u32 get_best_cand(struct super_block *sb, struct candidate_list *list, u32 *ec);
@@ -520,18 +520,16 @@ extern const struct super_operations logfs_super_operations;
 struct inode *logfs_iget(struct super_block *sb, ino_t ino);
 struct inode *logfs_safe_iget(struct super_block *sb, ino_t ino, int *cookie);
 void logfs_safe_iput(struct inode *inode, int cookie);
-struct inode *logfs_new_inode(struct inode *dir, int mode);
+struct inode *logfs_new_inode(struct inode *dir, umode_t mode);
 struct inode *logfs_new_meta_inode(struct super_block *sb, u64 ino);
 struct inode *logfs_read_meta_inode(struct super_block *sb, u64 ino);
 int logfs_init_inode_cache(void);
 void logfs_destroy_inode_cache(void);
-void destroy_meta_inode(struct inode *inode);
 void logfs_set_blocks(struct inode *inode, u64 no);
 /* these logically belong into inode.c but actually reside in readwrite.c */
 int logfs_read_inode(struct inode *inode);
-int __logfs_write_inode(struct inode *inode, long flags);
-void logfs_delete_inode(struct inode *inode);
-void logfs_clear_inode(struct inode *inode);
+int __logfs_write_inode(struct inode *inode, struct page *, long flags);
+void logfs_evict_inode(struct inode *inode);
 
 /* journal.c */
 void logfs_write_anchor(struct super_block *sb);
@@ -579,6 +577,8 @@ void initialize_block_counters(struct page *page, struct logfs_block *block,
 		__be64 *array, int page_is_empty);
 int logfs_exist_block(struct inode *inode, u64 bix);
 int get_page_reserve(struct inode *inode, struct page *page);
+void logfs_get_wblocks(struct super_block *sb, struct page *page, int lock);
+void logfs_put_wblocks(struct super_block *sb, struct page *page, int lock);
 extern struct logfs_block_ops indirect_block_ops;
 
 /* segment.c */
@@ -596,6 +596,7 @@ int logfs_init_mapping(struct super_block *sb);
 void logfs_sync_area(struct logfs_area *area);
 void logfs_sync_segments(struct super_block *sb);
 void freeseg(struct super_block *sb, u32 segno);
+void free_areas(struct super_block *sb);
 
 /* area handling */
 int logfs_init_areas(struct super_block *sb);
@@ -620,11 +621,7 @@ static inline int logfs_buf_recover(struct logfs_area *area, u64 ofs,
 struct page *emergency_read_begin(struct address_space *mapping, pgoff_t index);
 void emergency_read_end(struct page *page);
 void logfs_crash_dump(struct super_block *sb);
-void *memchr_inv(const void *s, int c, size_t n);
 int logfs_statfs(struct dentry *dentry, struct kstatfs *stats);
-int logfs_get_sb_device(struct file_system_type *type, int flags,
-		struct mtd_info *mtd, struct block_device *bdev,
-		const struct logfs_device_ops *devops, struct vfsmount *mnt);
 int logfs_check_ds(struct logfs_disk_super *ds);
 int logfs_write_sb(struct super_block *sb);