Instead of just reporting the errno this patch adds some more
verbose debugging message in the reclaim path.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxx>
---
drivers/md/dm-zoned-reclaim.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
index 571bc1d41bab..fd4d47dfcea1 100644
--- a/drivers/md/dm-zoned-reclaim.c
+++ b/drivers/md/dm-zoned-reclaim.c
@@ -371,8 +371,11 @@ static int dmz_do_reclaim(struct dmz_reclaim *zrc)
/* Get a data zone */
dzone = dmz_get_zone_for_reclaim(zmd, dmz_target_idle(zrc));
- if (!dzone)
+ if (!dzone) {
+ DMDEBUG("(%s): No zone found to reclaim",
+ dmz_metadata_label(zmd));
return -EBUSY;
+ }
start = jiffies;
if (dmz_is_cache(dzone) || dmz_is_rnd(dzone)) {
@@ -416,6 +419,12 @@ static int dmz_do_reclaim(struct dmz_reclaim *zrc)
}
out:
if (ret) {
+ if (ret == -EINTR)
+ DMDEBUG("(%s): reclaim zone %u interrupted",
+ dmz_metadata_label(zmd), rzone->id);
+ else
+ DMDEBUG("(%s): Failed to reclaim zone %u, err %d",
+ dmz_metadata_label(zmd), rzone->id, ret);
dmz_unlock_zone_reclaim(dzone);
return ret;
}
@@ -519,8 +528,6 @@ static void dmz_reclaim_work(struct work_struct *work)
ret = dmz_do_reclaim(zrc);
if (ret && ret != -EINTR) {
- DMDEBUG("(%s): Reclaim error %d",
- dmz_metadata_label(zmd), ret);
if (!dmz_check_dev(zmd))
return;
}
--
2.16.4
--
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