NFSv4: Add a tracepoint to document open stateid updates (ad9e02dc) · Commits · e / devices / android_kernel_fairphone_FP4

fs/nfs/nfs4proc.c

+3 −0

fs/nfs/nfs4trace.h

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1061,6 +1061,8 @@ DECLARE_EVENT_CLASS(nfs4_inode_stateid_event,

	DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_setattr);		DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_setattr);
	DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_delegreturn);		DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_delegreturn);
			DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_open_stateid_update);
			DEFINE_NFS4_INODE_STATEID_EVENT(nfs4_open_stateid_update_wait);

	DECLARE_EVENT_CLASS(nfs4_getattr_event,		DECLARE_EVENT_CLASS(nfs4_getattr_event,
	TP_PROTO(		TP_PROTO(

Original line number	Original line	Diff line number	Diff line
	@@ -1481,6 +1481,7 @@ static void nfs_clear_open_stateid_locked(struct nfs4_state *state,
	if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0)		if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0)
	nfs4_stateid_copy(&state->stateid, stateid);		nfs4_stateid_copy(&state->stateid, stateid);
	nfs4_stateid_copy(&state->open_stateid, stateid);		nfs4_stateid_copy(&state->open_stateid, stateid);
			trace_nfs4_open_stateid_update(state->inode, stateid, 0);
	out:		out:
	nfs_state_log_update_open_stateid(state);		nfs_state_log_update_open_stateid(state);
	}		}
	@@ -1524,6 +1525,7 @@ static void nfs_set_open_stateid_locked(struct nfs4_state *state,
	write_sequnlock(&state->seqlock);		write_sequnlock(&state->seqlock);
	spin_unlock(&state->owner->so_lock);		spin_unlock(&state->owner->so_lock);
	rcu_read_unlock();		rcu_read_unlock();
			trace_nfs4_open_stateid_update_wait(state->inode, stateid, 0);
	if (!signal_pending(current)) {		if (!signal_pending(current)) {
	if (schedule_timeout(5*HZ) == 0)		if (schedule_timeout(5*HZ) == 0)
	status = -EAGAIN;		status = -EAGAIN;
	@@ -1545,6 +1547,7 @@ static void nfs_set_open_stateid_locked(struct nfs4_state *state,
	if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0)		if (test_bit(NFS_DELEGATED_STATE, &state->flags) == 0)
	nfs4_stateid_copy(&state->stateid, stateid);		nfs4_stateid_copy(&state->stateid, stateid);
	nfs4_stateid_copy(&state->open_stateid, stateid);		nfs4_stateid_copy(&state->open_stateid, stateid);
			trace_nfs4_open_stateid_update(state->inode, stateid, status);
	nfs_state_log_update_open_stateid(state);		nfs_state_log_update_open_stateid(state);
	}		}