On Sat, Jun 27, 2020 at 02:45:14AM +0530, Kanchan Joshi wrote: > For block IO path (which is the scope of this patchset) there is no > probelm in using RWF_APPEND for zone-append, because it does not do > anything for block device. We can use that, avoiding introduction of > RWF_ZONE_APPEND in user-space. No, you are not just touching the block I/O path. This is all over the general file code, and all RWF_* flag are about file I/O.