diff options
Diffstat (limited to 'fs/ocfs2/refcounttree.h')
| -rw-r--r-- | fs/ocfs2/refcounttree.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index c1d19b1d3ec..6422bbcdb52 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -21,14 +21,14 @@ struct ocfs2_refcount_tree { 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; }; @@ -47,12 +47,13 @@ int ocfs2_decrease_refcount(struct inode *inode, struct ocfs2_cached_dealloc_ctxt *dealloc, int delete); int ocfs2_prepare_refcount_change_for_del(struct inode *inode, - struct buffer_head *di_bh, + u64 refcount_loc, u64 phys_blkno, u32 clusters, int *credits, - struct ocfs2_alloc_context **meta_ac); -int ocfs2_refcount_cow(struct inode *inode, struct buffer_head *di_bh, + int *ref_blocks); +int ocfs2_refcount_cow(struct inode *inode, + struct buffer_head *di_bh, u32 cpos, u32 write_len, u32 max_cpos); typedef int (ocfs2_post_refcount_func)(struct inode *inode, @@ -83,6 +84,17 @@ int ocfs2_refcount_cow_xattr(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 inode *inode, + u32 cpos, u32 old_cluster, + u32 new_cluster, u32 new_len); +int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, + struct inode *inode, + 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, |