On 10/03/2020 17:42, Christoph Hellwig wrote: [...] > We really need a user of this to be useful upstream. Didn't you plan > to look into converting zonefs/iomap to use it? Without that it is > at best a RFC. Even better would be converting zonefs and the f2fs > zoned code so that can get rid of the old per-zone serialization in > the I/O scheduler entirely. Yes I'm right now working on iomap/zonefs support for zone append.