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| author | Ming Lei <ming.lei@redhat.com> | 2024-10-25 08:37:18 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-05 14:03:05 +0100 |
| commit | 9c3d53f113426d2f0f49ca13afabca13f5b1a5af (patch) | |
| tree | c8f977d8b5d29faed88f3f179e61e52f20236763 /include/linux | |
| parent | 4eaa19c6205c370b1c055140b68ff77816d8abf3 (diff) | |
| download | linux-9c3d53f113426d2f0f49ca13afabca13f5b1a5af.tar.gz linux-9c3d53f113426d2f0f49ca13afabca13f5b1a5af.tar.bz2 linux-9c3d53f113426d2f0f49ca13afabca13f5b1a5af.zip | |
blk-mq: add non_owner variant of start_freeze/unfreeze queue APIs
[ Upstream commit 8acdd0e7bfadda6b5103f2960d293581954454ed ]
Add non_owner variant of start_freeze/unfreeze queue APIs, so that the
caller knows that what they are doing, and we can skip lockdep support
for non_owner variant in per-call level.
Prepare for supporting lockdep for freezing/unfreezing queue.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241025003722.3630252-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Stable-dep-of: 3802f73bd807 ("block: fix uaf for flush rq while iterating tags")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/blk-mq.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 4fecf46ef681..c5063e0a38a0 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -925,6 +925,8 @@ void blk_freeze_queue_start(struct request_queue *q); void blk_mq_freeze_queue_wait(struct request_queue *q); int blk_mq_freeze_queue_wait_timeout(struct request_queue *q, unsigned long timeout); +void blk_mq_unfreeze_queue_non_owner(struct request_queue *q); +void blk_freeze_queue_start_non_owner(struct request_queue *q); void blk_mq_map_queues(struct blk_mq_queue_map *qmap); void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues); |