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dm zoned: improve logging messages for reclaim 

Instead of just reporting the errno, add some more verbose debugging
message in the reclaim path.

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>
This commit is contained in:
Hannes Reinecke 2020-06-02 13:09:44 +02:00 committed by Mike Snitzer
parent 1565929b87
commit c3ff479dde
1 changed files with 10 additions and 3 deletions
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13
drivers/md/dm-zoned-reclaim.c
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@ -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;
}