diff options
Diffstat (limited to 'include/trace/events/afs.h')
| -rw-r--r-- | include/trace/events/afs.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h index 9cfb7657b72c..5f4e8193932d 100644 --- a/include/trace/events/afs.h +++ b/include/trace/events/afs.h @@ -402,6 +402,45 @@ TRACE_EVENT(afs_dir_check_failed, __entry->vnode, __entry->off, __entry->i_size) ); +/* + * We use page->private to hold the amount of the page that we've written to, + * splitting the field into two parts. However, we need to represent a range + * 0...PAGE_SIZE inclusive, so we can't support 64K pages on a 32-bit system. + */ +#if PAGE_SIZE > 32768 +#define AFS_PRIV_MAX 0xffffffff +#define AFS_PRIV_SHIFT 32 +#else +#define AFS_PRIV_MAX 0xffff +#define AFS_PRIV_SHIFT 16 +#endif + +TRACE_EVENT(afs_page_dirty, + TP_PROTO(struct afs_vnode *vnode, const char *where, + pgoff_t page, unsigned long priv), + + TP_ARGS(vnode, where, page, priv), + + TP_STRUCT__entry( + __field(struct afs_vnode *, vnode ) + __field(const char *, where ) + __field(pgoff_t, page ) + __field(unsigned long, priv ) + ), + + TP_fast_assign( + __entry->vnode = vnode; + __entry->where = where; + __entry->page = page; + __entry->priv = priv; + ), + + TP_printk("vn=%p %lx %s %lu-%lu", + __entry->vnode, __entry->page, __entry->where, + __entry->priv & AFS_PRIV_MAX, + __entry->priv >> AFS_PRIV_SHIFT) + ); + #endif /* _TRACE_AFS_H */ /* This part must be outside protection */ |