[v11,01/10] block: provide fallbacks for blk_queue_zone_is_seq and blk_queue_zone_no
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Message ID 20200512085554.26366-2-johannes.thumshirn@wdc.com
State New
Headers show
  • Introduce Zone Append for writing to zoned block devices
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Commit Message

Johannes Thumshirn May 12, 2020, 8:55 a.m. UTC
blk_queue_zone_is_seq() and blk_queue_zone_no() have not been called with
CONFIG_BLK_DEV_ZONED disabled until now.

The introduction of REQ_OP_ZONE_APPEND will change this, so we need to
provide noop fallbacks for the !CONFIG_BLK_DEV_ZONED case.

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
 include/linux/blkdev.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

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diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f00bd4042295..91c6e413bf6b 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -721,6 +721,16 @@  static inline unsigned int blk_queue_nr_zones(struct request_queue *q)
 	return 0;
+static inline bool blk_queue_zone_is_seq(struct request_queue *q,
+					 sector_t sector)
+	return false;
+static inline unsigned int blk_queue_zone_no(struct request_queue *q,
+					     sector_t sector)
+	return 0;
 #endif /* CONFIG_BLK_DEV_ZONED */
 static inline bool rq_is_sync(struct request *rq)