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-rw-r--r--fs/buffer.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index a8c2dfb68dcd..87ff335fbbe3 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -41,6 +41,7 @@
#include <linux/bitops.h>
#include <linux/mpage.h>
#include <linux/bit_spinlock.h>
+#include <trace/events/block.h>
static int fsync_buffers_list(spinlock_t *lock, struct list_head *list);
@@ -55,6 +56,7 @@ EXPORT_SYMBOL(init_buffer);
inline void touch_buffer(struct buffer_head *bh)
{
+ trace_block_touch_buffer(bh);
mark_page_accessed(bh->b_page);
}
EXPORT_SYMBOL(touch_buffer);
@@ -1119,6 +1121,8 @@ void mark_buffer_dirty(struct buffer_head *bh)
{
WARN_ON_ONCE(!buffer_uptodate(bh));
+ trace_block_dirty_buffer(bh);
+
/*
* Very *carefully* optimize the it-is-already-dirty case.
*