On Fri, Apr 16, 2021 at 12:05:27PM +0900, Damien Le Moal wrote:
> From: Johannes Thumshirn <[email protected]>
> 
> For zoned btrfs, zone append is mandatory to write to a sequential write
> only zone, otherwise parallel writes to the same zone could result in
> unaligned write errors.
> 
> If a zoned block device does not support zone append (e.g. a dm-crypt
> zoned device using a non-NULL IV cypher), fail to mount.
> 
> Signed-off-by: Johannes Thumshirn <[email protected]>
> Signed-off-by: Damien Le Moal <[email protected]>

Added to misc-next, thanks. I'll queue it for 5.13, it's not an urgent
fix for 5.12 release but i'll tag it as stable so it'll apear in 5.12.x
later.

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