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virtio-blk: Refactor the code that processes queued requests 

Move the code that processes queued requests from
virtio_blk_dma_restart_bh() to its own, non-static, function. This
will allow us to call it from the virtio_blk_data_plane_start() in a
future patch.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Message-Id: <20200603093240.40489-2-slp@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Sergio Lopez 2020-06-03 11:32:39 +02:00 committed by Kevin Wolf
parent 5fb0a6b5e7
commit 7aa1c247b4
2 changed files with 12 additions and 5 deletions
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16
hw/block/virtio-blk.c
View File

@ -819,15 +819,11 @@ static void virtio_blk_handle_output(VirtIODevice *vdev, VirtQueue *vq)
virtio_blk_handle_output_do(s, vq);
}
static void virtio_blk_dma_restart_bh(void *opaque)
void virtio_blk_process_queued_requests(VirtIOBlock *s)
{
VirtIOBlock *s = opaque;
VirtIOBlockReq *req = s->rq;
MultiReqBuffer mrb = {};
qemu_bh_delete(s->bh);
s->bh = NULL;
s->rq = NULL;
aio_context_acquire(blk_get_aio_context(s->conf.conf.blk));
@ -855,6 +851,16 @@ static void virtio_blk_dma_restart_bh(void *opaque)
aio_context_release(blk_get_aio_context(s->conf.conf.blk));
}
static void virtio_blk_dma_restart_bh(void *opaque)
{
VirtIOBlock *s = opaque;
qemu_bh_delete(s->bh);
s->bh = NULL;
virtio_blk_process_queued_requests(s);
}
static void virtio_blk_dma_restart_cb(void *opaque, int running,
RunState state)
{

1
include/hw/virtio/virtio-blk.h
View File

@ -86,5 +86,6 @@ typedef struct MultiReqBuffer {
} MultiReqBuffer;
bool virtio_blk_handle_vq(VirtIOBlock *s, VirtQueue *vq);
void virtio_blk_process_queued_requests(VirtIOBlock *s);
#endif