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authorChristoph Hellwig <hch@lst.de>2025-03-21 08:18:16 +0100
committerMikulas Patocka <mpatocka@redhat.com>2025-03-24 18:28:32 +0100
commitd43929ef65a60b4c44a5f85cdce826c4e33a67d3 (patch)
tree036e35e57bb2d27dec626b79ceb142c45ddee67b
parent45fc728515c14f53f6205789de5bfd72a95af3b8 (diff)
dm-delay: support zoned devices
Add support for zoned device by passing through report_zoned to the underlying read device. This is required to make enable xfstests xfs/311 on zoned devices. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
-rw-r--r--drivers/md/dm-delay.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 08f6387620c1..d4cf0ac2a7aa 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -369,6 +369,21 @@ static int delay_map(struct dm_target *ti, struct bio *bio)
return delay_bio(dc, c, bio);
}
+#ifdef CONFIG_BLK_DEV_ZONED
+static int delay_report_zones(struct dm_target *ti,
+ struct dm_report_zones_args *args, unsigned int nr_zones)
+{
+ struct delay_c *dc = ti->private;
+ struct delay_class *c = &dc->read;
+
+ return dm_report_zones(c->dev->bdev, c->start,
+ c->start + dm_target_offset(ti, args->next_sector),
+ args, nr_zones);
+}
+#else
+#define delay_report_zones NULL
+#endif
+
#define DMEMIT_DELAY_CLASS(c) \
DMEMIT("%s %llu %u", (c)->dev->name, (unsigned long long)(c)->start, (c)->delay)
@@ -424,11 +439,12 @@ out:
static struct target_type delay_target = {
.name = "delay",
.version = {1, 4, 0},
- .features = DM_TARGET_PASSES_INTEGRITY,
+ .features = DM_TARGET_PASSES_INTEGRITY | DM_TARGET_ZONED_HM,
.module = THIS_MODULE,
.ctr = delay_ctr,
.dtr = delay_dtr,
.map = delay_map,
+ .report_zones = delay_report_zones,
.presuspend = delay_presuspend,
.resume = delay_resume,
.status = delay_status,