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768003
2013 Feb 07
11
[RFC PATCH 0/8] virtio: new API for addition of buffers, scatterlist changes
The virtqueue_add_buf function has two limitations:
1) it requires the caller to provide all the buffers in a single call;
2) it does not support chained scatterlists: the buffers must be
provided as an array of struct scatterlist.
Because of these limitations, virtio-scsi has to copy each request into
a scatterlist internal to the driver. It cannot just use the one that
was prepared by the