Re: [PATCH 24/27] block: remove QUEUE_FLAG_DISCARD

Chaitanya Kulkarni
2022-04-15T05:47:55Z

On 4/14/22 21:52, Christoph Hellwig wrote:
> Just use a non-zero max_discard_sectors as an indicator for discard
> support, similar to what is done for write zeroes.
>
> The only places where needs special attention is the RAID5 driver,
> which must clear discard support for security reasons by default,
> even if the default stacking rules would allow for it.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
> Acked-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> [drbd]
> Acked-by: Jan Höppner <hoeppner@linux.ibm.com> [s390]
> Acked-by: Coly Li <colyli@suse.de> [bcache]
> Acked-by: David Sterba <dsterba@suse.com> [btrfs]
> ---

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>

-ck