diff options
| author | Clark Williams <williams@redhat.com> | 2012-02-23 21:33:05 -0600 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-02-23 21:33:05 -0600 |
| commit | a0c034c3726715d1928b301ddd43c51799c0c07a (patch) | |
| tree | 76e78b4646ca0560d8cd0ee041a8bde9a5269c8c /include/trace/events/writeback.h | |
| parent | 086290148fc37d7f2eccb7026b18fb9539ec7820 (diff) | |
| parent | 9d0231c207faeda051cf54c1a64e1a147d2187fa (diff) | |
Merge commit 'v3.2.7' into rt-3.2.7-rt13v3.2.7-rt13
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 99d1d0decf88..1f48f148f86a 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; @@ -418,7 +421,7 @@ 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; |