diff options
| author | Dai Ngo <dai.ngo@oracle.com> | 2022-09-14 08:54:26 -0700 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-09-26 14:02:41 -0400 |
| commit | 7746b32f467b3813fb61faaab3258de35806a7ac (patch) | |
| tree | 22ace645fe5c97affbe517c0f36395cdc2e898cf /fs/nfsd/nfsctl.c | |
| parent | 3a4ea23d86a317c4b68b9a69d51f7e84e1e04357 (diff) | |
NFSD: add shrinker to reap courtesy clients on low memory condition
Add courtesy_client_reaper to react to low memory condition triggered
by the system memory shrinker.
The delayed_work for the courtesy_client_reaper is scheduled on
the shrinker's count callback using the laundry_wq.
The shrinker's scan callback is not used for expiring the courtesy
clients due to potential deadlocks.
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/nfsctl.c')
| -rw-r--r-- | fs/nfsd/nfsctl.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 917fa1892fd2..597a26ad4183 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1481,11 +1481,12 @@ static __net_init int nfsd_init_net(struct net *net) goto out_idmap_error; nn->nfsd_versions = NULL; nn->nfsd4_minorversions = NULL; + retval = nfsd4_init_leases_net(nn); + if (retval) + goto out_drc_error; retval = nfsd_reply_cache_init(nn); if (retval) goto out_drc_error; - nfsd4_init_leases_net(nn); - get_random_bytes(&nn->siphash_key, sizeof(nn->siphash_key)); seqlock_init(&nn->writeverf_lock); @@ -1507,6 +1508,7 @@ static __net_exit void nfsd_exit_net(struct net *net) nfsd_idmap_shutdown(net); nfsd_export_shutdown(net); nfsd_netns_free_versions(net_generic(net, nfsd_net_id)); + nfsd4_leases_net_shutdown(nn); } static struct pernet_operations nfsd_net_ops = { |