On Wed, Apr 06, 2022 at 05:32:31PM +0000, Jane Chu wrote: > Yes, I believe Dan was motivated by avoiding the dm dance as a result of > adding .recovery_write to dax_operations. > > I understand your point about .recovery_write is device specific and > thus not something appropriate for device agnostic ops. > > I can see 2 options so far - > > 1) add .recovery_write to dax_operations and do the dm dance to hunt > down to the base device that actually provides the recovery action That would be my preference. But I'll wait for Dan to chime in. > Okay, will run the checkpatch.pl test again. Unfortuntely checkpatch.pl is broken in that regard. It treats the exception to occasionally go longer or readability as the default.