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mdmon: clear safe_mode_delay on shutdown 

When we receive a signal, set the safemode delay to v.small
so that we can ge clean arrays and exit quickly

Signed-off-by: NeilBrown <neilb@suse.de>o
This commit is contained in:
NeilBrown 2013-08-01 15:45:17 +10:00
parent 273989b93a
commit 2ef219630b
1 changed files with 17 additions and 1 deletions
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18
managemon.c
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@ -492,6 +492,11 @@ static void manage_member(struct mdstat_ent *mdstat,
if (a->container == NULL)
return;
if (sigterm && a->info.safe_mode_delay > 1) {
sysfs_set_safemode(&a->info, 1);
a->info.safe_mode_delay = 1;
}
/* We don't check the array while any update is pending, as it
* might container a change (such as a spare assignment) which
* could affect our decisions.
@ -646,7 +651,8 @@ static void manage_new(struct mdstat_ent *mdstat,
mdi = sysfs_read(-1, mdstat->devnm,
GET_LEVEL|GET_CHUNK|GET_DISKS|GET_COMPONENT|
GET_DEGRADED|GET_DEVS|GET_OFFSET|GET_SIZE|GET_STATE);
GET_DEGRADED|GET_SAFEMODE|
GET_DEVS|GET_OFFSET|GET_SIZE|GET_STATE);
if (!mdi)
return;
@ -692,6 +698,16 @@ static void manage_new(struct mdstat_ent *mdstat,
dprintf("%s: inst: %d action: %d state: %d\n", __func__, atoi(inst),
new->action_fd, new->info.state_fd);
if (sigterm)
new->info.safe_mode_delay = 1;
else if (mdi->safe_mode_delay >= 50)
/* Normal start, mdadm set this. */
new->info.safe_mode_delay = mdi->safe_mode_delay;
else
/* Restart, just pick a number */
new->info.safe_mode_delay = 5000;
sysfs_set_safemode(&new->info, new->info.safe_mode_delay);
/* reshape_position is set by mdadm in sysfs
* read this information for new arrays only (empty victim)
*/