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io_uring: remove sq/cq_off memset
We only have two reserved members we're not clearing, do so manually instead. This is in preparation for using one of these members for a new feature. Signed-off-by: Jens Axboe <axboe@kernel.dk>
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caec5ebe77
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@ -3866,7 +3866,6 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p,
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if (ret)
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goto err;
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memset(&p->sq_off, 0, sizeof(p->sq_off));
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p->sq_off.head = offsetof(struct io_rings, sq.head);
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p->sq_off.tail = offsetof(struct io_rings, sq.tail);
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p->sq_off.ring_mask = offsetof(struct io_rings, sq_ring_mask);
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@ -3874,8 +3873,9 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p,
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p->sq_off.flags = offsetof(struct io_rings, sq_flags);
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p->sq_off.dropped = offsetof(struct io_rings, sq_dropped);
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p->sq_off.array = (char *)ctx->sq_array - (char *)ctx->rings;
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p->sq_off.resv1 = 0;
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p->sq_off.resv2 = 0;
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memset(&p->cq_off, 0, sizeof(p->cq_off));
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p->cq_off.head = offsetof(struct io_rings, cq.head);
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p->cq_off.tail = offsetof(struct io_rings, cq.tail);
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p->cq_off.ring_mask = offsetof(struct io_rings, cq_ring_mask);
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@ -3883,6 +3883,8 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p,
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p->cq_off.overflow = offsetof(struct io_rings, cq_overflow);
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p->cq_off.cqes = offsetof(struct io_rings, cqes);
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p->cq_off.flags = offsetof(struct io_rings, cq_flags);
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p->cq_off.resv1 = 0;
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p->cq_off.resv2 = 0;
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p->features = IORING_FEAT_SINGLE_MMAP | IORING_FEAT_NODROP |
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IORING_FEAT_SUBMIT_STABLE | IORING_FEAT_RW_CUR_POS |
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