diff options
| author | Damien Le Moal <dlemoal@kernel.org> | 2025-11-15 21:15:51 +0900 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-11-17 09:40:09 -0700 |
| commit | 866d65745b635927c3d1343ab67e6fd4a99d116d (patch) | |
| tree | a3ded86e5d762e521166e252677eafa2bbf5608f | |
| parent | 6483faa3938bfbd2c9f8ae090f647635f3bd2877 (diff) | |
zloop: make the write pointer of full zones invalid
The write pointer of zones that are in the full condition is always
invalid. Reflect that fact by setting the write pointer of full zones
to ULLONG_MAX.
Fixes: eb0570c7df23 ("block: new zoned loop block device driver")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/block/zloop.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/block/zloop.c b/drivers/block/zloop.c index 92be9f0af00a..a975b1d07f1c 100644 --- a/drivers/block/zloop.c +++ b/drivers/block/zloop.c @@ -177,7 +177,7 @@ static int zloop_update_seq_zone(struct zloop_device *zlo, unsigned int zone_no) zone->wp = zone->start; } else if (file_sectors == zlo->zone_capacity) { zone->cond = BLK_ZONE_COND_FULL; - zone->wp = zone->start + zlo->zone_size; + zone->wp = ULLONG_MAX; } else { zone->cond = BLK_ZONE_COND_CLOSED; zone->wp = zone->start + file_sectors; @@ -326,7 +326,7 @@ static int zloop_finish_zone(struct zloop_device *zlo, unsigned int zone_no) } zone->cond = BLK_ZONE_COND_FULL; - zone->wp = zone->start + zlo->zone_size; + zone->wp = ULLONG_MAX; clear_bit(ZLOOP_ZONE_SEQ_ERROR, &zone->flags); unlock: @@ -433,8 +433,10 @@ static void zloop_rw(struct zloop_cmd *cmd) * copmpletes. */ zone->wp += nr_sectors; - if (zone->wp == zone_end) + if (zone->wp == zone_end) { zone->cond = BLK_ZONE_COND_FULL; + zone->wp = ULLONG_MAX; + } } rq_for_each_bvec(tmp, rq, rq_iter) |