[Drbd-dev] always use REQ_OP_WRITE_ZEROES for zeroing offload V2

Christoph Hellwig hch at lst.de
Wed Apr 5 16:51:42 CEST 2017


Looks like the mail server crapped out under the load..

I'll resend tomorrow morning, in the meantime the git url below
works.

On Wed, Apr 05, 2017 at 04:21:38PM +0200, Christoph Hellwig wrote:
> This series makes REQ_OP_WRITE_ZEROES the only zeroing offload
> supported by the block layer, and switches existing implementations
> of REQ_OP_DISCARD that correctly set discard_zeroes_data to it,
> removes incorrect discard_zeroes_data, and also switches WRITE SAME
> based zeroing in SCSI to this new method.
> 
> The series is against the block for-next tree.
> 
> A git tree is also avaiable at:
> 
>     git://git.infradead.org/users/hch/block.git discard-rework.2
> 
> Gitweb:
> 
>     http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/discard-rework.2
> 
> Changes since V2:
>  - various spelling fixes
>  - various reviews captured
>  - two new patches from Martin at the end
---end quoted text---


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