ocfs2: Write support for inline data

[linux-2.6-omap-h63xx.git] / fs / ocfs2 / aops.h

diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index e88c3f0b8fa9f3bfc5078f992360cd3cbea8f69c..113560877dbb2f821a25ab3b36387b578de044cc 100644 (file)
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -25,17 +25,59 @@
 int ocfs2_prepare_write_nolock(struct inode *inode, struct page *page,
                               unsigned from, unsigned to);
 
-struct ocfs2_journal_handle *ocfs2_start_walk_page_trans(struct inode *inode,
+handle_t *ocfs2_start_walk_page_trans(struct inode *inode,
                                                         struct page *page,
                                                         unsigned from,
                                                         unsigned to);
 
+int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,
+                         struct inode *inode, unsigned int from,
+                         unsigned int to, int new);
+
+void ocfs2_unlock_and_free_pages(struct page **pages, int num_pages);
+
+int walk_page_buffers( handle_t *handle,
+                       struct buffer_head *head,
+                       unsigned from,
+                       unsigned to,
+                       int *partial,
+                       int (*fn)(      handle_t *handle,
+                                       struct buffer_head *bh));
+
+int ocfs2_write_begin(struct file *file, struct address_space *mapping,
+                     loff_t pos, unsigned len, unsigned flags,
+                     struct page **pagep, void **fsdata);
+
+int ocfs2_write_end(struct file *file, struct address_space *mapping,
+                   loff_t pos, unsigned len, unsigned copied,
+                   struct page *page, void *fsdata);
+
+int ocfs2_write_end_nolock(struct address_space *mapping,
+                          loff_t pos, unsigned len, unsigned copied,
+                          struct page *page, void *fsdata);
+
+int ocfs2_write_begin_nolock(struct address_space *mapping,
+                            loff_t pos, unsigned len, unsigned flags,
+                            struct page **pagep, void **fsdata,
+                            struct buffer_head *di_bh, struct page *mmap_page);
+
+int ocfs2_read_inline_data(struct inode *inode, struct page *page,
+                          struct buffer_head *di_bh);
+int ocfs2_size_fits_inline_data(struct buffer_head *di_bh, u64 new_size);
+
 /* 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 */