X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=mdmon.h;h=5a8e1209822c3ff2ca3fe5ab95796ff085973766;hb=0448027b765ec7ede580a1630c23fe7cf4bd0b05;hp=e4904baa438b389e3837f2498e80ad909248d8bd;hpb=a54d52625a7b06dde6e00a91398c517ecf205fdd;p=thirdparty%2Fmdadm.git diff --git a/mdmon.h b/mdmon.h index e4904baa..5a8e1209 100644 --- a/mdmon.h +++ b/mdmon.h @@ -1,8 +1,8 @@ /* * mdmon - monitor external metadata arrays * - * Copyright (C) 2007-2008 Neil Brown - * Copyright (C) 2007-2008 Intel Corporation + * 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, @@ -18,29 +18,38 @@ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ +#undef pr_err +#define pr_err(fmt ...) fprintf(stderr, "mdmon: " fmt) + enum array_state { clear, inactive, suspended, readonly, read_auto, clean, active, write_pending, active_idle, bad_word}; enum sync_action { idle, reshape, resync, recover, check, repair, bad_action }; - 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 devnum; - - unsigned long long resync_start; + int check_reshape; /* flag set by mon, read by manage */ }; /* @@ -63,17 +72,12 @@ extern struct active_array *discard_this; extern struct active_array *pending_discard; 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); @@ -85,10 +89,23 @@ 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) - return 1; - return 0; + unsigned long long sync_size = 0; + int ncopies, l; + switch(array->array.level) { + case 1: + case 4: + case 5: + case 6: + sync_size = array->component_size; + break; + case 10: + l = array->array.layout; + ncopies = (l & 0xff) * ((l >> 8) && 0xff); + sync_size = array->component_size * array->array.raid_disks; + sync_size /= ncopies; + break; + } + return array->resync_start >= sync_size; } -