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authorHannes Reinecke <hare@suse.de>2020-06-02 13:09:51 +0200
committerMike Snitzer <snitzer@redhat.com>2020-06-05 14:59:50 -0400
commitbd82fdabf162fec1404c4e22988b178c4f3dd23b (patch)
tree3879a3ba59c1c4e83e4c1a5427c5c42f9d225790 /drivers/md/dm-zoned-target.c
parentf97809aec58995a87a9a30cb45c9a6148377df64 (diff)
downloadlinux-bd82fdabf162fec1404c4e22988b178c4f3dd23b.tar.bz2
dm zoned: move random and sequential zones into struct dmz_dev
Random and sequential zones should be part of the respective device structure to make arbitration between devices possible. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-zoned-target.c')
-rw-r--r--drivers/md/dm-zoned-target.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 97d63d8e6c19..aa3d26d16441 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -1075,17 +1075,30 @@ static void dmz_status(struct dm_target *ti, status_type_t type,
ssize_t sz = 0;
char buf[BDEVNAME_SIZE];
struct dmz_dev *dev;
+ int i;
switch (type) {
case STATUSTYPE_INFO:
- DMEMIT("%u zones %u/%u cache %u/%u random %u/%u sequential",
+ DMEMIT("%u zones %u/%u cache",
dmz_nr_zones(dmz->metadata),
dmz_nr_unmap_cache_zones(dmz->metadata),
- dmz_nr_cache_zones(dmz->metadata),
- dmz_nr_unmap_rnd_zones(dmz->metadata),
- dmz_nr_rnd_zones(dmz->metadata),
- dmz_nr_unmap_seq_zones(dmz->metadata),
- dmz_nr_seq_zones(dmz->metadata));
+ dmz_nr_cache_zones(dmz->metadata));
+ for (i = 0; i < DMZ_MAX_DEVS; i++) {
+ if (!dmz->ddev[i])
+ continue;
+ /*
+ * For a multi-device setup the first device
+ * contains only cache zones.
+ */
+ if ((i == 0) &&
+ (dmz_nr_cache_zones(dmz->metadata) > 0))
+ continue;
+ DMEMIT(" %u/%u random %u/%u sequential",
+ dmz_nr_unmap_rnd_zones(dmz->metadata, i),
+ dmz_nr_rnd_zones(dmz->metadata, i),
+ dmz_nr_unmap_seq_zones(dmz->metadata, i),
+ dmz_nr_seq_zones(dmz->metadata, i));
+ }
break;
case STATUSTYPE_TABLE:
dev = &dmz->dev[0];