ocfs2: rework ocfs2_buffered_write_cluster()

[linux-2.6] / fs / ocfs2 / aops.h

diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index 1b4ba5356a42cc19e5401169de575c7a7bf1c207..bdcdd1ae63a9c418dd41255bd784d8d482e7ca18 100644 (file)
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -42,64 +42,27 @@ int walk_page_buffers(      handle_t *handle,
                        int (*fn)(      handle_t *handle,
                                        struct buffer_head *bh));
 
-struct ocfs2_write_ctxt;
-typedef int (ocfs2_page_writer)(struct inode *, struct ocfs2_write_ctxt *,
-                               u64 *, unsigned int *, unsigned int *);
+int ocfs2_write_begin(struct file *file, struct address_space *mapping,
+                     loff_t pos, unsigned len, unsigned flags,
+                     struct page **pagep, void **fsdata);
 
-ssize_t ocfs2_buffered_write_cluster(struct file *file, loff_t pos,
-                                    size_t count, ocfs2_page_writer *actor,
-                                    void *priv);
-
-struct ocfs2_write_ctxt {
-       size_t                          w_count;
-       loff_t                          w_pos;
-       u32                             w_cpos;
-       unsigned int                    w_finished_copy;
-
-       /* This is true if page_size > cluster_size */
-       unsigned int                    w_large_pages;
-
-       /* Filler callback and private data */
-       ocfs2_page_writer               *w_write_data_page;
-       void                            *w_private;
-
-       /* Only valid for the filler callback */
-       struct page                     *w_this_page;
-       unsigned int                    w_this_page_new;
-};
-
-struct ocfs2_buffered_write_priv {
-       char                            *b_src_buf;
-       const struct iovec              *b_cur_iov; /* Current iovec */
-       size_t                          b_cur_off; /* Offset in the
-                                                   * current iovec */
-};
-int ocfs2_map_and_write_user_data(struct inode *inode,
-                                 struct ocfs2_write_ctxt *wc,
-                                 u64 *p_blkno,
-                                 unsigned int *ret_from,
-                                 unsigned int *ret_to);
-
-struct ocfs2_splice_write_priv {
-       struct splice_desc              *s_sd;
-       struct pipe_buffer              *s_buf;
-       struct pipe_inode_info          *s_pipe;
-       /* Neither offset value is ever larger than one page */
-       unsigned int                    s_offset;
-       unsigned int                    s_buf_offset;
-};
-int ocfs2_map_and_write_splice_data(struct inode *inode,
-                                   struct ocfs2_write_ctxt *wc,
-                                   u64 *p_blkno,
-                                   unsigned int *ret_from,
-                                   unsigned int *ret_to);
+int ocfs2_write_end(struct file *file, struct address_space *mapping,
+                   loff_t pos, unsigned len, unsigned copied,
+                   struct page *page, void *fsdata);
 
 /* all ocfs2_dio_end_io()'s fault */
 #define ocfs2_iocb_is_rw_locked(iocb) \
        test_bit(0, (unsigned long *)&iocb->private)
-#define ocfs2_iocb_set_rw_locked(iocb) \
-       set_bit(0, (unsigned long *)&iocb->private)
+static inline void ocfs2_iocb_set_rw_locked(struct kiocb *iocb, int level)
+{
+       set_bit(0, (unsigned long *)&iocb->private);
+       if (level)
+               set_bit(1, (unsigned long *)&iocb->private);
+       else
+               clear_bit(1, (unsigned long *)&iocb->private);
+}
 #define ocfs2_iocb_clear_rw_locked(iocb) \
        clear_bit(0, (unsigned long *)&iocb->private)
-
+#define ocfs2_iocb_rw_locked_level(iocb) \
+       test_bit(1, (unsigned long *)&iocb->private)
 #endif /* OCFS2_FILE_H */