jbd2: Remove data=ordered mode support using jbd buffer heads

Signed-off-by: Jan Kara <jack@suse.cz>

1 files changed, 7 insertions, 22 deletions

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 622c3d8ca4e..3dd20900709 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -543,24 +543,12 @@ struct transaction_s
         struct journal_head     *t_reserved_list;
 
         /*
-         * Doubly-linked circular list of all buffers under writeout during
-         * commit [j_list_lock]
-         */
-        struct journal_head     *t_locked_list;
-
-        /*
          * Doubly-linked circular list of all metadata buffers owned by this
          * transaction [j_list_lock]
          */
         struct journal_head     *t_buffers;
 
         /*
-         * Doubly-linked circular list of all data buffers still to be
-         * flushed before this transaction can be committed [j_list_lock]
-         */
-        struct journal_head     *t_sync_datalist;
-
-        /*
          * Doubly-linked circular list of all forget buffers (superseded
          * buffers which we can un-checkpoint once this transaction commits)
          * [j_list_lock]
@@ -1044,7 +1032,6 @@ extern int	 jbd2_journal_extend (handle_t *, int nblocks);
 extern int       jbd2_journal_get_write_access(handle_t *, struct buffer_head *);
 extern int       jbd2_journal_get_create_access (handle_t *, struct buffer_head *);
 extern int       jbd2_journal_get_undo_access(handle_t *, struct buffer_head *);
-extern int       jbd2_journal_dirty_data (handle_t *, struct buffer_head *);
 extern int       jbd2_journal_dirty_metadata (handle_t *, struct buffer_head *);
 extern void      jbd2_journal_release_buffer (handle_t *, struct buffer_head *);
 extern int       jbd2_journal_forget (handle_t *, struct buffer_head *);
@@ -1223,15 +1210,13 @@ static inline int jbd_space_needed(journal_t *journal)
 
 /* journaling buffer types */
 #define BJ_None         0       /* Not journaled */
-#define BJ_SyncData     1       /* Normal data: flush before commit */
-#define BJ_Metadata     2       /* Normal journaled metadata */
-#define BJ_Forget       3       /* Buffer superseded by this transaction */
-#define BJ_IO           4       /* Buffer is for temporary IO use */
-#define BJ_Shadow       5       /* Buffer contents being shadowed to the log */
-#define BJ_LogCtl       6       /* Buffer contains log descriptors */
-#define BJ_Reserved     7       /* Buffer is reserved for access by journal */
-#define BJ_Locked       8       /* Locked for I/O during commit */
-#define BJ_Types        9
+#define BJ_Metadata     1       /* Normal journaled metadata */
+#define BJ_Forget       2       /* Buffer superseded by this transaction */
+#define BJ_IO           3       /* Buffer is for temporary IO use */
+#define BJ_Shadow       4       /* Buffer contents being shadowed to the log */
+#define BJ_LogCtl       5       /* Buffer contains log descriptors */
+#define BJ_Reserved     6       /* Buffer is reserved for access by journal */
+#define BJ_Types        7
 
 extern int jbd_blocks_per_page(struct inode *inode);