diff options
Diffstat (limited to 'fs/ocfs2/refcounttree.h')
| -rw-r--r-- | fs/ocfs2/refcounttree.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h index 356f99c8563..d09d64b2981 100644 --- a/fs/ocfs2/refcounttree.h +++ b/fs/ocfs2/refcounttree.h @@ -54,4 +54,33 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode, struct ocfs2_alloc_context **meta_ac); 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, + handle_t *handle, + void *para); +/* + * Some refcount caller need to do more work after we modify the data b-tree + * during refcount operation(including CoW and add refcount flag), and make the + * transaction complete. So it must give us this structure so that we can do it + * within our transaction. + * + */ +struct ocfs2_post_refcount { + int credits; /* credits it need for journal. */ + ocfs2_post_refcount_func *func; /* real function. */ + void *para; +}; + +int ocfs2_refcounted_xattr_delete_need(struct inode *inode, + struct ocfs2_caching_info *ref_ci, + struct buffer_head *ref_root_bh, + struct ocfs2_xattr_value_root *xv, + int *meta_add, int *credits); +int ocfs2_refcount_cow_xattr(struct inode *inode, + struct ocfs2_dinode *di, + struct ocfs2_xattr_value_buf *vb, + struct ocfs2_refcount_tree *ref_tree, + struct buffer_head *ref_root_bh, + u32 cpos, u32 write_len, + struct ocfs2_post_refcount *post); #endif /* OCFS2_REFCOUNTTREE_H */ |