bcachefs: Add distinct error code for key_cache_upgrade

This aids in debugging.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2022-08-04 12:46:37 -04:00 • committed by Kent Overstreet
commit ae33e7a274
2 changed files with 2 additions and 1 deletions