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@xxxxxx>
---
drivers/md/dm-delay.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
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 @@ static int delay_iterate_devices(struct dm_target *ti,
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,
--
2.45.2
