diff options
Diffstat (limited to 'include/trace/events/writeback.h')
| -rw-r--r-- | include/trace/events/writeback.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 011e8faa608b..117d6b0a8494 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -68,7 +68,7 @@ DECLARE_EVENT_CLASS(writeback_page_template, strscpy_pad(__entry->name, bdi_dev_name(mapping ? inode_to_bdi(mapping->host) : NULL), 32); - __entry->ino = mapping ? mapping->host->i_ino : 0; + __entry->ino = (mapping && mapping->host) ? mapping->host->i_ino : 0; __entry->index = page->index; ), @@ -150,7 +150,7 @@ DEFINE_EVENT(writeback_dirty_inode_template, writeback_dirty_inode, static inline unsigned int __trace_wb_assign_cgroup(struct bdi_writeback *wb) { - return wb->memcg_css->cgroup->kn->id.ino; + return cgroup_ino(wb->memcg_css->cgroup); } static inline unsigned int __trace_wbc_assign_cgroup(struct writeback_control *wbc) @@ -258,7 +258,7 @@ TRACE_EVENT(track_foreign_dirty, __entry->ino = inode ? inode->i_ino : 0; __entry->memcg_id = wb->memcg_css->id; __entry->cgroup_ino = __trace_wb_assign_cgroup(wb); - __entry->page_cgroup_ino = page->mem_cgroup->css.cgroup->kn->id.ino; + __entry->page_cgroup_ino = cgroup_ino(page->mem_cgroup->css.cgroup); ), TP_printk("bdi %s[%llu]: ino=%lu memcg_id=%u cgroup_ino=%u page_cgroup_ino=%u", |