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| author | Christoph Hellwig <hch@lst.de> | 2024-06-17 08:04:52 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-06-19 07:58:28 -0600 |
| commit | 8c8f5c85b20d0a7dc0ab9b2a17318130d69ceb5a (patch) | |
| tree | 7b55a00e4d55b67d667fc4a39424e2de00666340 /include | |
| parent | 9c1e42e3c876c66796eda23e79836a4d92613a61 (diff) | |
| download | lwn-8c8f5c85b20d0a7dc0ab9b2a17318130d69ceb5a.tar.gz lwn-8c8f5c85b20d0a7dc0ab9b2a17318130d69ceb5a.zip | |
block: move the skip_tagset_quiesce flag to queue_limits
Move the skip_tagset_quiesce 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/20240617060532.127975-26-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blkdev.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ab0f7dfba556..2c433ebf6f20 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -322,6 +322,9 @@ enum { /* supports PCI(e) p2p requests */ BLK_FEAT_PCI_P2PDMA = (1u << 12), + + /* skip this queue in blk_mq_(un)quiesce_tagset */ + BLK_FEAT_SKIP_TAGSET_QUIESCE = (1u << 13), }; /* @@ -594,7 +597,6 @@ struct request_queue { #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 */ -#define QUEUE_FLAG_SKIP_TAGSET_QUIESCE 31 /* quiesce_tagset skip the queue*/ #define QUEUE_FLAG_MQ_DEFAULT (1UL << QUEUE_FLAG_SAME_COMP) @@ -629,7 +631,7 @@ bool blk_queue_flag_test_and_set(unsigned int flag, struct request_queue *q); #define blk_queue_registered(q) test_bit(QUEUE_FLAG_REGISTERED, &(q)->queue_flags) #define blk_queue_sq_sched(q) test_bit(QUEUE_FLAG_SQ_SCHED, &(q)->queue_flags) #define blk_queue_skip_tagset_quiesce(q) \ - test_bit(QUEUE_FLAG_SKIP_TAGSET_QUIESCE, &(q)->queue_flags) + ((q)->limits.features & BLK_FEAT_SKIP_TAGSET_QUIESCE) extern void blk_set_pm_only(struct request_queue *q); extern void blk_clear_pm_only(struct request_queue *q); |