As it was not obvious (at least for me) where the 32 comes from;
add a constant for it.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
block_acct_start(blk_get_stats(req->dev->blk), &req->acct, req->qiov.size,
BLOCK_ACCT_WRITE);
- if (mrb->num_writes == 32) {
+ if (mrb->num_writes == VIRTIO_BLK_MAX_MERGE_REQS) {
virtio_submit_multiwrite(req->dev->blk, mrb);
}
struct VirtIOBlockDataPlane *dataplane;
} VirtIOBlock;
+#define VIRTIO_BLK_MAX_MERGE_REQS 32
+
typedef struct MultiReqBuffer {
- BlockRequest blkreq[32];
+ BlockRequest blkreq[VIRTIO_BLK_MAX_MERGE_REQS];
unsigned int num_writes;
} MultiReqBuffer;