1 files changed, 64 insertions, 8 deletions

diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index cee02d65ab3f..5a14ead59696 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -18,6 +18,8 @@
                 {I_FREEING,             "I_FREEING"},           \
                 {I_CLEAR,               "I_CLEAR"},             \
                 {I_SYNC,                "I_SYNC"},              \
+                {I_DIRTY_TIME,          "I_DIRTY_TIME"},        \
+                {I_DIRTY_TIME_EXPIRED,  "I_DIRTY_TIME_EXPIRED"}, \
                 {I_REFERENCED,          "I_REFERENCED"}         \
         )
 
@@ -47,7 +49,7 @@ TRACE_EVENT(writeback_dirty_page,
 
         TP_fast_assign(
                 strncpy(__entry->name,
-                        mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32);
+                        mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32);
                 __entry->ino = mapping ? mapping->host->i_ino : 0;
                 __entry->index = page->index;
         ),
@@ -68,26 +70,36 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
         TP_STRUCT__entry (
                 __array(char, name, 32)
                 __field(unsigned long, ino)
+                __field(unsigned long, state)
                 __field(unsigned long, flags)
         ),
 
         TP_fast_assign(
-                struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info;
+                struct backing_dev_info *bdi = inode_to_bdi(inode);
 
                 /* may be called for files on pseudo FSes w/ unregistered bdi */
                 strncpy(__entry->name,
                         bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
                 __entry->ino            = inode->i_ino;
+                __entry->state          = inode->i_state;
                 __entry->flags          = flags;
         ),
 
-        TP_printk("bdi %s: ino=%lu flags=%s",
+        TP_printk("bdi %s: ino=%lu state=%s flags=%s",
                 __entry->name,
                 __entry->ino,
+                show_inode_state(__entry->state),
                 show_inode_state(__entry->flags)
         )
 );
 
+DEFINE_EVENT(writeback_dirty_inode_template, writeback_mark_inode_dirty,
+
+        TP_PROTO(struct inode *inode, int flags),
+
+        TP_ARGS(inode, flags)
+);
+
 DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode_start,
 
         TP_PROTO(struct inode *inode, int flags),
@@ -116,7 +128,7 @@ DECLARE_EVENT_CLASS(writeback_write_inode_template,
 
         TP_fast_assign(
                 strncpy(__entry->name,
-                        dev_name(inode->i_mapping->backing_dev_info->dev), 32);
+                        dev_name(inode_to_bdi(inode)->dev), 32);
                 __entry->ino            = inode->i_ino;
                 __entry->sync_mode      = wbc->sync_mode;
         ),
@@ -156,10 +168,8 @@ DECLARE_EVENT_CLASS(writeback_work_class,
                 __field(int, reason)
         ),
         TP_fast_assign(
-                struct device *dev = bdi->dev;
-                if (!dev)
-                        dev = default_backing_dev_info.dev;
-                strncpy(__entry->name, dev_name(dev), 32);
+                strncpy(__entry->name,
+                        bdi->dev ? dev_name(bdi->dev) : "(unknown)", 32);
                 __entry->nr_pages = work->nr_pages;
                 __entry->sb_dev = work->sb ? work->sb->s_dev : 0;
                 __entry->sync_mode = work->sync_mode;
@@ -598,6 +608,52 @@ DEFINE_EVENT(writeback_single_inode_template, writeback_single_inode,
         TP_ARGS(inode, wbc, nr_to_write)
 );
 
+DECLARE_EVENT_CLASS(writeback_lazytime_template,
+        TP_PROTO(struct inode *inode),
+
+        TP_ARGS(inode),
+
+        TP_STRUCT__entry(
+                __field(        dev_t,  dev                     )
+                __field(unsigned long,  ino                     )
+                __field(unsigned long,  state                   )
+                __field(        __u16, mode                     )
+                __field(unsigned long, dirtied_when             )
+        ),
+
+        TP_fast_assign(
+                __entry->dev    = inode->i_sb->s_dev;
+                __entry->ino    = inode->i_ino;
+                __entry->state  = inode->i_state;
+                __entry->mode   = inode->i_mode;
+                __entry->dirtied_when = inode->dirtied_when;
+        ),
+
+        TP_printk("dev %d,%d ino %lu dirtied %lu state %s mode 0%o",
+                  MAJOR(__entry->dev), MINOR(__entry->dev),
+                  __entry->ino, __entry->dirtied_when,
+                  show_inode_state(__entry->state), __entry->mode)
+);
+
+DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime,
+        TP_PROTO(struct inode *inode),
+
+        TP_ARGS(inode)
+);
+
+DEFINE_EVENT(writeback_lazytime_template, writeback_lazytime_iput,
+        TP_PROTO(struct inode *inode),
+
+        TP_ARGS(inode)
+);
+
+DEFINE_EVENT(writeback_lazytime_template, writeback_dirty_inode_enqueue,
+
+        TP_PROTO(struct inode *inode),
+
+        TP_ARGS(inode)
+);
+
 #endif /* _TRACE_WRITEBACK_H */
 
 /* This part must be outside protection */