Re: [PATCH 1/2] block: fix leaks associated with discard request payload
From: Christoph Hellwig
Date: Wed Jun 30 2010 - 06:43:08 EST
On Wed, Jun 30, 2010 at 01:25:01PM +0300, Boaz Harrosh wrote:
> OK, Thanks, I see. Is it one of these operations, (like we have in OSD) where
> the CDB information spills into the payload? like the scatter-gather and extent
> lists and such.
For UNMAP the payload is a list of block number / length pairs, while
the CDB itself doesn't contain any information like that. It's a rather
> Do we actually use a WRITE_SAME which is not zero? for what use?
The kernel doesn't issue any WRITE SAME without the unmap bit set.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/