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authorMarco Peereboom <marco@cvs.openbsd.org>2007-06-01 18:50:57 +0000
committerMarco Peereboom <marco@cvs.openbsd.org>2007-06-01 18:50:57 +0000
commitb0a697239958106bc737134d4b3b1abfbca89bf9 (patch)
tree06509b06f6997b291818eed2041663118955af80 /sys/dev
parent9600f198ea7d40615d4ce559b322e87c0e6d3ece (diff)
Add additional flag to indicate that we have a metdadata io pending; this
way if we shut down the system we can make sure that it makes it onto disk before scsibus detach. ok dlg
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/softraid.c15
-rw-r--r--sys/dev/softraidvar.h4
2 files changed, 15 insertions, 4 deletions
diff --git a/sys/dev/softraid.c b/sys/dev/softraid.c
index 1ea56541306..ff02511943f 100644
--- a/sys/dev/softraid.c
+++ b/sys/dev/softraid.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: softraid.c,v 1.66 2007/06/01 17:43:05 marco Exp $ */
+/* $OpenBSD: softraid.c,v 1.67 2007/06/01 18:50:56 marco Exp $ */
/*
* Copyright (c) 2007 Marco Peereboom <marco@peereboom.us>
*
@@ -1362,7 +1362,7 @@ sr_shutdown_discipline(struct sr_discipline *sd)
/* make sure there isn't a sync pending and yield */
wakeup(sd);
- while (sd->sd_sync)
+ while (sd->sd_sync || sd->sd_must_flush)
if (tsleep(&sd->sd_sync, MAXPRI, "sr_down", 60 * hz) ==
EWOULDBLOCK)
break;
@@ -2018,6 +2018,7 @@ die:
sd->sd_vol.sv_chunks[c]->src_meta.scm_status = new_state;
sd->sd_set_vol_state(sd);
+ sd->sd_must_flush = 1;
workq_add_task(NULL, 0, sr_save_metadata_callback, sd, NULL);
done:
splx(s);
@@ -2247,9 +2248,17 @@ sr_already_assembled(struct sr_discipline *sd)
void
sr_save_metadata_callback(void *arg1, void *arg2)
{
+ struct sr_discipline *sd = arg1;
+ int s;
+
+ s = splbio();
+
if (sr_save_metadata(arg1, SR_VOL_DIRTY))
printf("%s: save metadata failed\n",
- DEVNAME(((struct sr_discipline *)arg1)->sd_sc));
+ DEVNAME(sd->sd_sc));
+
+ sd->sd_must_flush = 0;
+ splx(s);
}
int
diff --git a/sys/dev/softraidvar.h b/sys/dev/softraidvar.h
index 94fa6bf8788..850bb1715c7 100644
--- a/sys/dev/softraidvar.h
+++ b/sys/dev/softraidvar.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: softraidvar.h,v 1.28 2007/05/31 18:56:27 marco Exp $ */
+/* $OpenBSD: softraidvar.h,v 1.29 2007/06/01 18:50:56 marco Exp $ */
/*
* Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
*
@@ -251,6 +251,8 @@ struct sr_discipline {
u_int32_t sd_meta_flags;
int sd_sync;
+ int sd_must_flush;
+
struct device *sd_scsibus_dev;
void (*sd_shutdownhook)(void *);