Re: [Nbd] [Qemu-devel] [RFC 1/1] nbd (specification): add NBD_CMD_WRITE_ZEROES command

[Alex Bligh <alex@...872...>]

On 17 Feb 2016, at 18:10, Denis V. Lunev <den@...2317...> wrote:

> Currently available NBD_CMD_TRIM command can not be used as the
> specification explicitely says that "a client MUST NOT make any
> assumptions about the contents of the export affected by this
> [NBD_CMD_TRIM] command, until overwriting it again with `NBD_CMD_WRITE`"

Would a flag to NBD_CMD_TRIM that says "ensure the written
data is zeroed" not be an easier solution than adding another
very similar command?

Or (cough) changing the spec?

-- 
Alex Bligh