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authorChristoph Hellwig <hch@lst.de>2024-06-17 08:04:51 +0200
committerJens Axboe <axboe@kernel.dk>2024-06-19 07:58:28 -0600
commit9c1e42e3c876c66796eda23e79836a4d92613a61 (patch)
tree1665b0a63ba8e9791ddffdfff812168988f0514d /include/linux
parenta52758a39768f441e468a41da6c15a59d6d6011a (diff)
block: move the pci_p2pdma flag to queue_limits
Move the pci_p2pdma flag into the queue_limits feature field so that it can be set atomically with the queue frozen. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Hannes Reinecke <hare@suse.de> Link: https://lore.kernel.org/r/20240617060532.127975-25-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/blkdev.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1077cb8d8fd8..ab0f7dfba556 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -319,6 +319,9 @@ enum {
/* supports Zone Reset All */
BLK_FEAT_ZONE_RESETALL = (1u << 11),
+
+ /* supports PCI(e) p2p requests */
+ BLK_FEAT_PCI_P2PDMA = (1u << 12),
};
/*
@@ -588,7 +591,6 @@ struct request_queue {
#define QUEUE_FLAG_STATS 20 /* track IO start and completion times */
#define QUEUE_FLAG_REGISTERED 22 /* queue has been registered to a disk */
#define QUEUE_FLAG_QUIESCED 24 /* queue has been quiesced */
-#define QUEUE_FLAG_PCI_P2PDMA 25 /* device supports PCI p2p requests */
#define QUEUE_FLAG_RQ_ALLOC_TIME 27 /* record rq->alloc_time_ns */
#define QUEUE_FLAG_HCTX_ACTIVE 28 /* at least one blk-mq hctx is active */
#define QUEUE_FLAG_SQ_SCHED 30 /* single queue style io dispatch */
@@ -611,8 +613,7 @@ bool blk_queue_flag_test_and_set(unsigned int flag, struct request_queue *q);
#define blk_queue_zone_resetall(q) \
((q)->limits.features & BLK_FEAT_ZONE_RESETALL)
#define blk_queue_dax(q) ((q)->limits.features & BLK_FEAT_DAX)
-#define blk_queue_pci_p2pdma(q) \
- test_bit(QUEUE_FLAG_PCI_P2PDMA, &(q)->queue_flags)
+#define blk_queue_pci_p2pdma(q) ((q)->limits.features & BLK_FEAT_PCI_P2PDMA)
#ifdef CONFIG_BLK_RQ_ALLOC_TIME
#define blk_queue_rq_alloc_time(q) \
test_bit(QUEUE_FLAG_RQ_ALLOC_TIME, &(q)->queue_flags)