Re: [PATCH v1 0/6] no-copy bvec

[Christoph Hellwig]

On Wed, Dec 23, 2020 at 12:52:59PM +0000, Pavel Begunkov wrote:
> Can scatterlist have 0-len entries? Those are directly translated into
> bvecs, e.g. in nvme/target/io-cmd-file.c and target/target_core_file.c.
> I've audited most of others by this moment, they're fine.

For block layer SGLs we should never see them, and for nvme neither.
I think the same is true for the SCSI target code, but please double
check.