0001
     €БА„,…їїГВ ?ч     /* SPDX-License-Identifier: GPL-2.0-or-later */
/* CacheFiles tracepoints
 *
 * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM cachefiles

#if !defined(_TRACE_CACHEFILES_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_CACHEFILES_H

#include <linux/tracepoint.h>

/*
 * Define enums for tracing information.
 */
#ifndef __CACHEFILES_DECLARE_TRACE_ENUMS_ONCE_ONLY
#define __CACHEFILES_DECLARE_TRACE_ENUMS_ONCE_ONLY

enum cachefiles_obj_ref_trace {
	cachefiles_obj_get_ioreq,
	cachefiles_obj_new,
	cachefiles_obj_put_alloc_fail,
	cachefiles_obj_put_detach,
	cachefiles_obj_put_ioreq,
	cachefiles_obj_see_clean_commit,
	cachefiles_obj_see_clean_delete,
	cachefiles_obj_see_clean_drop_tmp,
	cachefiles_obj_see_lookup_cookie,
	cachefiles_obj_see_lookup_failed,
	cachefiles_obj_see_withdraw_cookie,
	cachefiles_obj_see_withdrawal,
	cachefiles_obj_get_ondemand_fd,
	cachefiles_obj_put_ondemand_fd,
};

enum fscache_why_object_killed {
	FSCACHE_OBJECT_IS_STALE,
	FSCACHE_OBJECT_IS_WEIRD,
	FSCACHE_OBJECT_INVALIDATED,
	FSCACHE_OBJECT_NO_SPACE,
	FSCACHE_OBJECT_WAS_RETIRED,
	FSCACHE_OBJECT_WAS_CULLED,
	FSCACHE_VOLUME_IS_WEIRD,
};

enum cachefiles_coherency_trace {
	cachefiles_coherency_check_aux,
	cachefiles_coherency_check_content,
	cachefiles_coherency_check_dirty,
	cachefiles_coherency_check_len,
	cachefiles_coherency_check_objsize,
	cachefiles_coherency_check_ok,
	cachefiles_coherency_check_type,
	cachefiles_coherency_check_xattr,
	cachefiles_coherency_set_fail,
	cachefiles_coherency_set_ok,
	cachefiles_coherency_vol_check_cmp,
	cachefiles_coherency_vol_check_ok,
	cachefiles_coherency_vol_check_resv,
	cachefiles_coherency_vol_check_xattr,
	cachefiles_coherency_vol_set_fail,
	cachefiles_coherency_vol_set_ok,
};

enum cachefiles_trunc_trace {
	cachefiles_trunc_dio_adjust,
	cachefiles_trunc_expand_tmpfile,
	cachefiles_trunc_shrink,
};

enum cachefiles_prepare_read_trace {
	cachefiles_trace_read_after_eof,
	cachefiles_trace_read_found_hole,
	cachefiles_trace_read_found_part,
	cachefiles_trace_read_have_data,
	cachefiles_trace_read_no_data,
	cachefiles_trace_read_no_file,
	cachefiles_trace_read_seek_error,
	cachefiles_trace_read_seek_nxio,
};

enum cachefiles_error_trace {
	cachefiles_trace_fallocate_error,
	cachefiles_trace_getxattr_error,
	cachefiles_trace_link_error,
	cachefiles_trace_lookup_error,
	cachefiles_trace_mkdir_error,
	cachefiles_trace_notify_change_error,
	cachefiles_trace_open_error,
	cachefiles_trace_read_error,
	cachefiles_trace_remxattr_error,
	cachefiles_trace_rename_error,
	cachefiles_trace_seek_error,
	cachefiles_trace_setxattr_error,
	cachefiles_trace_statfs_error,
	cachefiles_trace_tmpfile_error,
	cachefiles_trace_trunc_error,
	cachefiles_trace_unlink_error,
	cachefiles_trace_write_error,
};

#endif

/*
 * Define enum -> string mappings for display.
 */
#define cachefiles_obj_kill_traces				\
	EM(FSCACHE_OBJECT_IS_STALE,	"stale")		\
	EM(FSCACHE_OBJECT_IS_WEIRD,	"weird")		\
	EM(FSCACHE_OBJECT_INVALIDATED,	"inval")		\
	EM(FSCACHE_OBJECT_NO_SPACE,	"no_space")		\
	EM(FSCACHE_OBJECT_WAS_RETIRED,	"was_retired")		\
	EM(FSCACHE_OBJECT_WAS_CULLED,	"was_culled")		\
	E_(FSCACHE_VOLUME_IS_WEIRD,	"volume_weird")

#define cachefiles_obj_ref_traces					\
	EM(cachefiles_obj_get_ioreq,		"GET ioreq")		\
	EM(cachefiles_obj_new,			"NEW obj")		\
	EM(cachefiles_obj_put_alloc_fail,	"PUT alloc_fail")	\
	EM(cachefiles_obj_put_detach,		"PUT detach")		\
	EM(cachefiles_obj_put_ioreq,		"PUT ioreq")		\
	EM(cachefiles_obj_see_clean_commit,	"SEE clean_commit")	\
	EM(cachefiles_obj_see_clean_delete,	"SEE clean_delete")	\
	EM(cachefiles_obj_see_clean_drop_tmp,	"SEE clean_drop_tmp")	\
	EM(cachefiles_obj_see_lookup_cookie,	"SEE lookup_cookie")	\
	EM(cachefiles_obj_see_lookup_failed,	"SEE lookup_failed")	\
	EM(cachefiles_obj_see_withdraw_cookie,	"SEE withdraw_cookie")	\
	E_(cachefiles_obj_see_withdrawal,	"SEE withdrawal")

#define cachefiles_coherency_traces					\
	EM(cachefiles_coherency_check_aux,	"BAD aux ")		\
	EM(ca