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virtio_ring: add a func argument 'recycle_done' to virtqueue_resize()

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When virtqueue_resize() has actually recycled all unused buffers,
additional work may be required in some cases. Relying solely on its
return status is fragile, so introduce a new function argument
'recycle_done', which is invoked when the recycle really occurs.

Cc: <stable@vger.kernel.org> # v6.11+
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Koichiro Den
2024-12-06 10:10:44 +09:00
committed by Paolo Abeni
parent 4571dc7272
commit 8d6712c892
3 changed files with 9 additions and 4 deletions
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3
include/linux/virtio.h
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@@ -109,7 +109,8 @@ dma_addr_t virtqueue_get_avail_addr(const struct virtqueue *vq);
dma_addr_t virtqueue_get_used_addr(const struct virtqueue *vq);
int virtqueue_resize(struct virtqueue *vq, u32 num,
void (*recycle)(struct virtqueue *vq, void *buf));
void (*recycle)(struct virtqueue *vq, void *buf),
void (*recycle_done)(struct virtqueue *vq));
int virtqueue_reset(struct virtqueue *vq,
void (*recycle)(struct virtqueue *vq, void *buf));