X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=mdmon.h;h=59e1b537f620cf4cd4a64fa5b30f179d0e5c2cc9;hb=156044805c762f87577366e36b18c4c80bfe40ba;hp=8a5cd4a8af6c8948a2605f89d4d16e7b4e8d260e;hpb=883a6142e64c6ed3e0dfeb28b2d9e48ddafd4c18;p=thirdparty%2Fmdadm.git diff --git a/mdmon.h b/mdmon.h index 8a5cd4a8..59e1b537 100644 --- a/mdmon.h +++ b/mdmon.h @@ -1,3 +1,23 @@ +/* + * mdmon - monitor external metadata arrays + * + * Copyright (C) 2007-2009 Neil Brown + * Copyright (C) 2007-2009 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + enum array_state { clear, inactive, suspended, readonly, read_auto, clean, active, write_pending, active_idle, bad_word}; @@ -8,19 +28,28 @@ struct active_array { struct mdinfo info; struct supertype *container; struct active_array *next, *replaces; + int to_remove; int action_fd; int resync_start_fd; int metadata_fd; /* for monitoring rw/ro status */ + int sync_completed_fd; /* for checkpoint notification events */ + unsigned long long last_checkpoint; /* sync_completed fires for many + * reasons this field makes sure the + * kernel has made progress before + * moving the checkpoint. It is + * cleared by the metadata handler + * when it determines recovery is + * terminated. + */ enum array_state prev_state, curr_state, next_state; enum sync_action prev_action, curr_action, next_action; int check_degraded; /* flag set by mon, read by manage */ + int check_reshape; /* flag set by mon, read by manage */ int devnum; - - unsigned long long resync_start; }; /* @@ -47,13 +76,9 @@ extern struct md_generic_cmd *active_cmd; void remove_pidfile(char *devname); void do_monitor(struct supertype *container); void do_manager(struct supertype *container); -int make_control_sock(char *devname); -int make_pidfile(char *devname, int o_excl); -extern int socket_hup_requested; extern int sigterm; int read_dev_state(int fd); -int get_resync_start(struct active_array *a); int is_container_member(struct mdstat_ent *mdstat, char *container); struct mdstat_ent *mdstat_read(int hold, int start); @@ -65,9 +90,9 @@ extern int monitor_loop_cnt; /* helper routine to determine resync completion since MaxSector is a * moving target */ -static inline int is_resync_complete(struct active_array *a) +static inline int is_resync_complete(struct mdinfo *array) { - if (a->resync_start >= a->info.component_size) + if (array->resync_start >= array->component_size) return 1; return 0; }