[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

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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