ext4: Adjust ext4_da_writepages() to write out larger contiguous chunks

[pandora-kernel.git] / include / trace / events / ext4.h

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index c1bd8f1..7c6bbb7 100644 (file)
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -236,6 +236,7 @@ TRACE_EVENT(ext4_da_writepages,
                __field(        char,   for_kupdate             )
                __field(        char,   for_reclaim             )
                __field(        char,   range_cyclic            )
+               __field(       pgoff_t, writeback_index         )
        ),
 
        TP_fast_assign(
@@ -249,15 +250,17 @@ TRACE_EVENT(ext4_da_writepages,
                __entry->for_kupdate    = wbc->for_kupdate;
                __entry->for_reclaim    = wbc->for_reclaim;
                __entry->range_cyclic   = wbc->range_cyclic;
+               __entry->writeback_index = inode->i_mapping->writeback_index;
        ),
 
-       TP_printk("dev %s ino %lu nr_to_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d",
+       TP_printk("dev %s ino %lu nr_to_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d writeback_index %lu",
                  jbd2_dev_to_name(__entry->dev),
                  (unsigned long) __entry->ino, __entry->nr_to_write,
                  __entry->pages_skipped, __entry->range_start,
                  __entry->range_end, __entry->nonblocking,
                  __entry->for_kupdate, __entry->for_reclaim,
-                 __entry->range_cyclic)
+                 __entry->range_cyclic,
+                 (unsigned long) __entry->writeback_index)
 );
 
 TRACE_EVENT(ext4_da_write_pages,
@@ -309,6 +312,7 @@ TRACE_EVENT(ext4_da_writepages_result,
                __field(        char,   encountered_congestion  )
                __field(        char,   more_io                 )       
                __field(        char,   no_nrwrite_index_update )
+               __field(       pgoff_t, writeback_index         )
        ),
 
        TP_fast_assign(
@@ -320,14 +324,16 @@ TRACE_EVENT(ext4_da_writepages_result,
                __entry->encountered_congestion = wbc->encountered_congestion;
                __entry->more_io        = wbc->more_io;
                __entry->no_nrwrite_index_update = wbc->no_nrwrite_index_update;
+               __entry->writeback_index = inode->i_mapping->writeback_index;
        ),
 
-       TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld congestion %d more_io %d no_nrwrite_index_update %d",
+       TP_printk("dev %s ino %lu ret %d pages_written %d pages_skipped %ld congestion %d more_io %d no_nrwrite_index_update %d writeback_index %lu",
                  jbd2_dev_to_name(__entry->dev),
                  (unsigned long) __entry->ino, __entry->ret,
                  __entry->pages_written, __entry->pages_skipped,
                  __entry->encountered_congestion, __entry->more_io,
-                 __entry->no_nrwrite_index_update)
+                 __entry->no_nrwrite_index_update,
+                 (unsigned long) __entry->writeback_index)
 );
 
 TRACE_EVENT(ext4_da_write_begin,