]> Pileus Git - ~andy/linux/blobdiff - fs/ocfs2/aops.h
ocfs2: Pass ocfs2_xattr_value_buf into ocfs2_xattr_value_truncate().
[~andy/linux] / fs / ocfs2 / aops.h
index eeb2c42483e8d24d3eb7b757f37b35b4cf7fe701..503e49232e118b574737a087992c0863c1eeeaf7 100644 (file)
@@ -30,50 +30,46 @@ handle_t *ocfs2_start_walk_page_trans(struct inode *inode,
                                                         unsigned from,
                                                         unsigned to);
 
-struct ocfs2_write_ctxt;
-typedef int (ocfs2_page_writer)(struct inode *, struct ocfs2_write_ctxt *,
-                               u64 *, unsigned int *, unsigned int *);
+int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,
+                         struct inode *inode, unsigned int from,
+                         unsigned int to, int new);
 
-ssize_t ocfs2_buffered_write_cluster(struct file *file, loff_t pos,
-                                    size_t count, ocfs2_page_writer *actor,
-                                    void *priv);
+void ocfs2_unlock_and_free_pages(struct page **pages, int num_pages);
 
-struct ocfs2_write_ctxt {
-       size_t                          w_count;
-       loff_t                          w_pos;
-       u32                             w_cpos;
-       unsigned int                    w_finished_copy;
+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));
 
-       /* This is true if page_size > cluster_size */
-       unsigned int                    w_large_pages;
+int ocfs2_write_end_nolock(struct address_space *mapping,
+                          loff_t pos, unsigned len, unsigned copied,
+                          struct page *page, void *fsdata);
 
-       /* Filler callback and private data */
-       ocfs2_page_writer               *w_write_data_page;
-       void                            *w_private;
+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);
 
-       /* 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);
+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 */