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authorHannes Reinecke <hare@suse.de>2020-05-11 10:24:29 +0200
committerMike Snitzer <snitzer@redhat.com>2020-05-20 21:47:31 +0200
commitdc076c838f65723325001c977b39e55fc6ba0fa7 (patch)
treed774b34d38304e3602202ff7a1e746f121929e01 /drivers/md
parentdm zoned: Reduce logging output on startup (diff)
downloadlinux-dc076c838f65723325001c977b39e55fc6ba0fa7.tar.xz
linux-dc076c838f65723325001c977b39e55fc6ba0fa7.zip
dm zoned: ignore metadata zone in dmz_alloc_zone()
When looking up zones in dmz_alloc_zone() we need to ignore metadata zones so as not to accidentally overwrite metadata. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Bob Liu <bob.liu@oracle.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-zoned-metadata.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 1290728c197e..939deed1606a 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -1907,7 +1907,13 @@ again:
zone = NULL;
goto again;
}
+ if (dmz_is_meta(zone)) {
+ struct dmz_dev *dev = dmz_zone_to_dev(zmd, zone);
+ dmz_dev_warn(dev, "Zone %u has metadata", zone->id);
+ zone = NULL;
+ goto again;
+ }
return zone;
}