block: renumber QUEUE_FLAG_HW_WC

[ Upstream commit 02d374f3418df577c850f0cd45c3da9245ead547 ]

For the QUEUE_FLAG_HW_WC to actually work, it needs to have a separate
number from QUEUE_FLAG_FUA, doh.

Fixes: 43c9835b144c ("block: don't allow enabling a cache on devices that don't support it")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20231226081524.180289-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index eef450f..f59fcd5 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -538,7 +538,7 @@ struct request_queue {
 #define QUEUE_FLAG_ADD_RANDOM  10      /* Contributes to random pool */
 #define QUEUE_FLAG_SYNCHRONOUS 11      /* always completes in submit context */
 #define QUEUE_FLAG_SAME_FORCE  12      /* force complete on same CPU */
-#define QUEUE_FLAG_HW_WC       18      /* Write back caching supported */
+#define QUEUE_FLAG_HW_WC       13      /* Write back caching supported */
 #define QUEUE_FLAG_INIT_DONE   14      /* queue is initialized */
 #define QUEUE_FLAG_STABLE_WRITES 15    /* don't modify blks until WB is done */
 #define QUEUE_FLAG_POLL                16      /* IO polling enabled if set */