Add a tracepoint (afs_reload_dir) to indicate when a directory is being reloaded.
Signed-off-by: David Howells <[email protected]> --- fs/afs/dir.c | 1 + include/trace/events/afs.h | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 378a96a1116e..be5d2f932b77 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -309,6 +309,7 @@ static struct afs_read *afs_read_dir(struct afs_vnode *dvnode, struct key *key) goto error; if (!test_bit(AFS_VNODE_DIR_VALID, &dvnode->flags)) { + trace_afs_reload_dir(dvnode); ret = afs_fetch_data(dvnode, key, req); if (ret < 0) goto error_unlock; diff --git a/include/trace/events/afs.h b/include/trace/events/afs.h index 21b896fabb2f..8da9dd5bc2b6 100644 --- a/include/trace/events/afs.h +++ b/include/trace/events/afs.h @@ -947,6 +947,23 @@ TRACE_EVENT(afs_flock_op, __entry->from, __entry->len, __entry->flags) ); +TRACE_EVENT(afs_reload_dir, + TP_PROTO(struct afs_vnode *vnode), + + TP_ARGS(vnode), + + TP_STRUCT__entry( + __field_struct(struct afs_fid, fid ) + ), + + TP_fast_assign( + __entry->fid = vnode->fid; + ), + + TP_printk("%llx:%llx:%x", + __entry->fid.vid, __entry->fid.vnode, __entry->fid.unique) + ); + #endif /* _TRACE_AFS_H */ /* This part must be outside protection */
