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Ehh. Introduce a hack: Wait for 3 seconds, so GEOM is able to give us

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providers for tasting. Before this hack, race below is possible:
	SI_SUB_RAID (no not-fully-configured geoms, so don't block)
	GEOM tasting (now geoms are created)
	SI_SUB_MOUNT_ROOT (if root file system is placed on a mirror, it is
		possible that this mirror is not fully configured yet)
There is a lot of work to do to avoid such hacks and I need a working
solution before 5.3, sorry.

Reported by:	John Hay <jhay@icomtek.csir.co.za>
This commit is contained in:
Pawel Jakub Dawidek 2004-10-14 07:55:29 +00:00
parent 268111a210
commit 06697d4f59
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=136504
1 changed files with 5 additions and 0 deletions
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5
sys/geom/mirror/g_mirror.c
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@ -2726,6 +2726,11 @@ static void
g_mirror_rootwait(void)
{
/*
* HACK: Wait for GEOM, because g_mirror_rootwait() can be called,
* HACK: before we get providers for tasting.
*/
tsleep(&g_mirror_class, PRIBIO, "mroot", hz * 3);
/*
* Wait for mirrors in degraded state.
*/