Jens Axboe 9f4107b07b block: store bdev->bd_disk->fops->submit_bio state in bdev ...

We have a long chain of memory dereferencing just to whether or not
this disk has a special submit_bio helper. As that's not necessarily
the common case, add a bd_has_submit_bio state in the bdev to avoid
traversing this memory dependency chain if we don't need to.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

2023-04-16 13:01:42 -06:00

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