mirror_zfs/cmd/zed/zed_conf.h
наб 346c85b722 zed: don't malloc() global zed_conf instance, optimise zed_conf layout
It's all of 40 bytes with 4-byte pointers and 64 with 8-byte ones
(previously 44 and 88, respectively) ‒
there's no reason it can't live on the stack

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11860
2021-04-11 15:27:30 -07:00

59 lines
2.0 KiB
C

/*
* This file is part of the ZFS Event Daemon (ZED).
*
* Developed at Lawrence Livermore National Laboratory (LLNL-CODE-403049).
* Copyright (C) 2013-2014 Lawrence Livermore National Security, LLC.
* Refer to the ZoL git commit log for authoritative copyright attribution.
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License Version 1.0 (CDDL-1.0).
* You can obtain a copy of the license from the top-level file
* "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
* You may not use this file except in compliance with the license.
*/
#ifndef ZED_CONF_H
#define ZED_CONF_H
#include <libzfs.h>
#include <stdint.h>
#include "zed_strings.h"
struct zed_conf {
char *pid_file; /* abs path to pid file */
char *zedlet_dir; /* abs path to zedlet dir */
char *state_file; /* abs path to state file */
libzfs_handle_t *zfs_hdl; /* handle to libzfs */
zed_strings_t *zedlets; /* names of enabled zedlets */
char *path; /* custom $PATH for zedlets to use */
int pid_fd; /* fd to pid file for lock */
int state_fd; /* fd to state file */
int zevent_fd; /* fd for access to zevents */
int16_t max_jobs; /* max zedlets to run at one time */
boolean_t do_force:1; /* true if force enabled */
boolean_t do_foreground:1; /* true if run in foreground */
boolean_t do_memlock:1; /* true if locking memory */
boolean_t do_verbose:1; /* true if verbosity enabled */
boolean_t do_zero:1; /* true if zeroing state */
boolean_t do_idle:1; /* true if idle enabled */
};
void zed_conf_init(struct zed_conf *zcp);
void zed_conf_destroy(struct zed_conf *zcp);
void zed_conf_parse_opts(struct zed_conf *zcp, int argc, char **argv);
int zed_conf_scan_dir(struct zed_conf *zcp);
int zed_conf_write_pid(struct zed_conf *zcp);
int zed_conf_open_state(struct zed_conf *zcp);
int zed_conf_read_state(struct zed_conf *zcp, uint64_t *eidp, int64_t etime[]);
int zed_conf_write_state(struct zed_conf *zcp, uint64_t eid, int64_t etime[]);
#endif /* !ZED_CONF_H */