On Wed, Aug 18, 2021 at 2:01 AM Venky Shankar <vshankar@xxxxxxxxxx> wrote: > > [...] Is "debugfs" the right place for this? I do wonder if that can be dropped/disabled via some obscure kernel config? Also "debugX" doesn't sound like the proper place for a feature flag of the kernel. I just did a quick check on my system and I do see: $ ls /sys/fs/ext4/features batched_discard casefold encryption fast_commit lazy_itable_init meta_bg_resize metadata_csum_seed test_dummy_encryption_v2 verity Perhaps we need something similar for fs/ceph? -- Patrick Donnelly, Ph.D. He / Him / His Principal Software Engineer Red Hat Sunnyvale, CA GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
