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-rw-r--r--drivers/md/dm.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index fdf1536a4b62..39c243258e24 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -107,8 +107,13 @@ void dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q);
#ifdef CONFIG_BLK_DEV_ZONED
int dm_blk_report_zones(struct gendisk *disk, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
+bool dm_is_zone_write(struct mapped_device *md, struct bio *bio);
#else
#define dm_blk_report_zones NULL
+static inline bool dm_is_zone_write(struct mapped_device *md, struct bio *bio)
+{
+ return false;
+}
#endif
/*-----------------------------------------------------------------