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block: align blkdev_dio inlined bio to a cacheline

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We get all sorts of unreliable and funky results since the bio is
designed to align on a cacheline, which it does not when inlined like
this.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2021-10-15 16:55:05 -06:00
parent e028f167ec
commit 6155631a0c
1 changed files with 1 additions and 1 deletions
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block/fops.c
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@@ -137,7 +137,7 @@ struct blkdev_dio {
size_t size;
atomic_t ref;
unsigned int flags;
struct bio bio;
struct bio bio ____cacheline_aligned_in_smp;
};
static struct bio_set blkdev_dio_pool;