Hi Ben, On Fri, Apr 21, 2023 at 1:10 PM Benjamin Coddington <bcodding@xxxxxxxxxx> wrote: > > Here's another round of sysfs entries for each nfs_server, this time with a > single use-case: a "shutdown" toggle that causes the basic rpc_clnt(s) to > immediately fail tasks with -EIO. It works well for the non pNFS cases to > allow an unmount of a filesystem when the NFS server has gone away. > > I'm posting to gain potential NACKing, or to be redirected, or to serve as > fodder for discussion at LSF. > > I'm thinking I'd like to toggle v4.2 things like READ_PLUS in here next, or > other module-level options that maybe would be useful per-mount. I have a patch built on your v1 posting that implements this. I can rebase on v2 (well, I guess it'll be v3 now) if you want to see it! Anna > > Benjamin Coddington (9): > NFS: rename nfs_client_kset to nfs_kset > NFS: rename nfs_client_kobj to nfs_net_kobj > NFS: add superblock sysfs entries > NFS: Add sysfs links to sunrpc clients for nfs_clients > NFS: add a sysfs link to the lockd rpc_client > NFS: add a sysfs link to the acl rpc_client > NFS: add sysfs shutdown knob > NFS: Cleanup unused rpc_clnt variable > NFSv4: Clean up some shutdown loops > > fs/lockd/clntlock.c | 6 ++ > fs/nfs/client.c | 21 +++++ > fs/nfs/nfs3client.c | 4 + > fs/nfs/nfs4client.c | 2 + > fs/nfs/nfs4proc.c | 2 +- > fs/nfs/nfs4state.c | 5 +- > fs/nfs/super.c | 6 +- > fs/nfs/sysfs.c | 148 +++++++++++++++++++++++++++++++++--- > fs/nfs/sysfs.h | 9 ++- > include/linux/lockd/bind.h | 2 + > include/linux/nfs_fs_sb.h | 3 + > include/linux/sunrpc/clnt.h | 11 ++- > net/sunrpc/clnt.c | 5 ++ > net/sunrpc/sysfs.h | 7 -- > 14 files changed, 204 insertions(+), 27 deletions(-) > > -- > 2.39.2 >
