On Mon, 2024-10-21 at 22:23 +0800, Yang Erkun wrote: > Yang Erkun (3): > nfsd: make sure exp active before svc_export_show > SUNRPC: make sure cache entry active before cache_show > nfsd: release svc_expkey/svc_export with rcu_work > > fs/nfsd/export.c | 36 +++++++++++++++++++++++++++++------- > fs/nfsd/export.h | 4 ++-- > net/sunrpc/cache.c | 4 +++- > 3 files changed, 34 insertions(+), 10 deletions(-) > TIL about rcu_work! That seems like a nice clean solution for #3. All 3 patches look fine to me. You can add: Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx> One thing though. We had very little RCU in nfsd in 2012, so these problems likely got introduced much later than 2.6.12. cache_get_rcu() got added in 2018, for instance. We may want a more reasonable Fixes: tag.
