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authorWu Fengguang <fengguang.wu@intel.com>2010-07-21 22:19:51 -0600
committerWu Fengguang <fengguang.wu@intel.com>2011-06-08 08:25:23 +0800
commitb7a2441f9966fe3e1be960a876ab52e6029ea005 (patch)
treef3e4373e6434bc21a4be983c3174aeb3298bf329 /include/trace
parent3efaf0faba6793cd91298c76315e15de59c13ae0 (diff)
writeback: remove writeback_control.more_io
When wbc.more_io was first introduced, it indicates whether there are at least one superblock whose s_more_io contains more IO work. Now with the per-bdi writeback, it can be replaced with a simple b_more_io test. Acked-by: Jan Kara <jack@suse.cz> Acked-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/ext4.h6
-rw-r--r--include/trace/events/writeback.h5
2 files changed, 3 insertions, 8 deletions
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index e09592d2f916..b225d0d8c87f 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -404,7 +404,6 @@ TRACE_EVENT(ext4_da_writepages_result,
__field( int, pages_written )
__field( long, pages_skipped )
__field( int, sync_mode )
- __field( char, more_io )
__field( pgoff_t, writeback_index )
),
@@ -415,16 +414,15 @@ TRACE_EVENT(ext4_da_writepages_result,
__entry->pages_written = pages_written;
__entry->pages_skipped = wbc->pages_skipped;
__entry->sync_mode = wbc->sync_mode;
- __entry->more_io = wbc->more_io;
__entry->writeback_index = inode->i_mapping->writeback_index;
),
TP_printk("dev %d,%d ino %lu ret %d pages_written %d pages_skipped %ld "
- " more_io %d sync_mode %d writeback_index %lu",
+ "sync_mode %d writeback_index %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long) __entry->ino, __entry->ret,
__entry->pages_written, __entry->pages_skipped,
- __entry->more_io, __entry->sync_mode,
+ __entry->sync_mode,
(unsigned long) __entry->writeback_index)
);
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 4e249b927eaa..b2cfac5f3313 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -101,7 +101,6 @@ DECLARE_EVENT_CLASS(wbc_class,
__field(int, for_background)
__field(int, for_reclaim)
__field(int, range_cyclic)
- __field(int, more_io)
__field(unsigned long, older_than_this)
__field(long, range_start)
__field(long, range_end)
@@ -116,7 +115,6 @@ DECLARE_EVENT_CLASS(wbc_class,
__entry->for_background = wbc->for_background;
__entry->for_reclaim = wbc->for_reclaim;
__entry->range_cyclic = wbc->range_cyclic;
- __entry->more_io = wbc->more_io;
__entry->older_than_this = wbc->older_than_this ?
*wbc->older_than_this : 0;
__entry->range_start = (long)wbc->range_start;
@@ -124,7 +122,7 @@ DECLARE_EVENT_CLASS(wbc_class,
),
TP_printk("bdi %s: towrt=%ld skip=%ld mode=%d kupd=%d "
- "bgrd=%d reclm=%d cyclic=%d more=%d older=0x%lx "
+ "bgrd=%d reclm=%d cyclic=%d older=0x%lx "
"start=0x%lx end=0x%lx",
__entry->name,
__entry->nr_to_write,
@@ -134,7 +132,6 @@ DECLARE_EVENT_CLASS(wbc_class,
__entry->for_background,
__entry->for_reclaim,
__entry->range_cyclic,
- __entry->more_io,
__entry->older_than_this,
__entry->range_start,
__entry->range_end)