struct rb_node rf_node;
u64 rf_blkno;
u32 rf_generation;
+ struct kref rf_getcnt;
struct rw_semaphore rf_sem;
struct ocfs2_lock_res rf_lockres;
- struct kref rf_getcnt;
int rf_removed;
/* the following 4 fields are used by caching_info. */
- struct ocfs2_caching_info rf_ci;
spinlock_t rf_lock;
+ struct ocfs2_caching_info rf_ci;
struct mutex rf_io_mutex;
struct super_block *rf_sb;
};
u32 clusters,
int *credits,
int *ref_blocks);
-int ocfs2_refcount_cow(struct inode *inode, struct buffer_head *di_bh,
+int ocfs2_refcount_cow(struct inode *inode,
+ struct file *filep, struct buffer_head *di_bh,
u32 cpos, u32 write_len, u32 max_cpos);
typedef int (ocfs2_post_refcount_func)(struct inode *inode,
struct buffer_head *ref_root_bh,
u32 cpos, u32 write_len,
struct ocfs2_post_refcount *post);
+int ocfs2_duplicate_clusters_by_page(handle_t *handle,
+ struct file *file,
+ u32 cpos, u32 old_cluster,
+ u32 new_cluster, u32 new_len);
+int ocfs2_duplicate_clusters_by_jbd(handle_t *handle,
+ struct file *file,
+ u32 cpos, u32 old_cluster,
+ u32 new_cluster, u32 new_len);
+int ocfs2_cow_sync_writeback(struct super_block *sb,
+ struct inode *inode,
+ u32 cpos, u32 num_clusters);
int ocfs2_add_refcount_flag(struct inode *inode,
struct ocfs2_extent_tree *data_et,
struct ocfs2_caching_info *ref_ci,