Commit 99987c56 authored by David Howells's avatar David Howells
Browse files

afs: Add directory reload tracepoint 



Add a tracepoint (afs_reload_dir) to indicate when a directory is being
reloaded.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent cdfb26b4

fs/afs/dir.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

include/trace/events/afs.h

+17 −0
Original line number Diff line number Diff line
@@ -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 */