diff options
| author | Ingo Molnar <mingo@elte.hu> | 2012-03-05 09:20:08 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-05 09:20:08 +0100 |
| commit | 737f24bda723fdf89ecaacb99fa2bf5683c32799 (patch) | |
| tree | 35495fff3e9956679cb5468e74e6814c8e44ee66 /include/trace/events/writeback.h | |
| parent | 8eedce996556d7d06522cd3a0e6069141c8dffe0 (diff) | |
| parent | b7c924274c456499264d1cfa3d44063bb11eb5db (diff) | |
Merge branch 'perf/urgent' into perf/core
Conflicts:
tools/perf/builtin-record.c
tools/perf/builtin-top.c
tools/perf/perf.h
tools/perf/util/top.h
Merge reason: resolve these cherry-picking conflicts.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/trace/events/writeback.h')
| -rw-r--r-- | include/trace/events/writeback.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 8588a8918023..5973410e8f8c 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -47,7 +47,10 @@ DECLARE_EVENT_CLASS(writeback_work_class, __field(int, reason) ), TP_fast_assign( - strncpy(__entry->name, dev_name(bdi->dev), 32); + struct device *dev = bdi->dev; + if (!dev) + dev = default_backing_dev_info.dev; + strncpy(__entry->name, dev_name(dev), 32); __entry->nr_pages = work->nr_pages; __entry->sb_dev = work->sb ? work->sb->s_dev : 0; __entry->sync_mode = work->sync_mode; @@ -426,7 +429,7 @@ DECLARE_EVENT_CLASS(writeback_single_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->state = inode->i_state; __entry->dirtied_when = inode->dirtied_when; |