On Fri, Dec 17, 2021 at 12:18:04PM -0500, Jeff Layton wrote:

This feature is being deprecated in ceph altogether, so more
aggressively uninlining of files is fine. The kernel cephfs client never
supported writes to it anyway so this feature was really only used by a
few brave souls.

We're hoping to have it formally removed by the time the Ceph Quincy
release ships (~April-May timeframe). Unfortunately, we need to keep
support for it around for a bit longer since some still-supported ceph
releases don't have this deprecated.

OK, I shan't bother pointing out the awful bugs and races in the current
uninlining code then ...