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SubjectRe: [PATCH] block: remove REQ_HARDBARRIER
On 10/23/2010 06:59 PM, Christoph Hellwig wrote:
> REQ_HARDBARRIER is dead now, so remove the leftovers. What's left
> at this point is:
>
> - various checks inside the block layer.
> - sanity checks in bio based drivers.
> - now unused bio_empty_barrier helper.
> - Xen blockfront use of BLKIF_OP_WRITE_BARRIER - it's dead for a while,
> but Xen really needs to sort out it's barrier situaton.
> - setting of ordered tags in uas - dead code copied from old scsi
> drivers.
> - scsi different retry for barriers - it's dead and should have been
> removed when flushes were converted to FS requests.
> - blktrace handling of barriers - removed. Someone who knows blktrace
> better should add support for REQ_FLUSH and REQ_FUA, though.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Looks good to me.

Reviewed-by: Tejun Heo <tj@kernel.org>

Thanks.

--
tejun


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