[PATCH v2 3/3] zonefs: fix synchronous write to sequential zone files

[Christoph Hellwig]

On Sat, Apr 17, 2021 at 11:33:23AM +0900, Damien Le Moal wrote:
> Synchronous writes to sequential zone files cannot use zone append
> operations if the underlying zoned device queue limit
> max_zone_append_sectors is 0, indicating that the device does not
> support this operation. In this case, fall back to using regular write
> operations.

Zone append is a mandatory feature of the zoned device API.