diff options
Diffstat (limited to 'fs/nfsd/netns.h')
-rw-r--r-- | fs/nfsd/netns.h | 36 |
1 files changed, 22 insertions, 14 deletions
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index 77d4f82096c9..26f7b34d1a03 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -13,6 +13,7 @@ #include <linux/filelock.h> #include <linux/nfs4.h> #include <linux/percpu_counter.h> +#include <linux/percpu-refcount.h> #include <linux/siphash.h> #include <linux/sunrpc/stats.h> @@ -137,14 +138,11 @@ struct nfsd_net { u32 clientid_counter; u32 clverifier_counter; - struct svc_serv *nfsd_serv; - /* When a listening socket is added to nfsd, keep_active is set - * and this justifies a reference on nfsd_serv. This stops - * nfsd_serv from being freed. When the number of threads is - * set, keep_active is cleared and the reference is dropped. So - * when the last thread exits, the service will be destroyed. - */ - int keep_active; + struct svc_info nfsd_info; +#define nfsd_serv nfsd_info.serv + struct percpu_ref nfsd_serv_ref; + struct completion nfsd_serv_confirm_done; + struct completion nfsd_serv_free_done; /* * clientid and stateid data for construction of net unique COPY @@ -158,8 +156,8 @@ struct nfsd_net { /* * Version information */ - bool *nfsd_versions; - bool *nfsd4_minorversions; + bool nfsd_versions[NFSD_MAXVERS + 1]; + bool nfsd4_minorversions[NFSD_SUPPORTED_MINOR_VERSION + 1]; /* * Duplicate reply cache @@ -195,7 +193,7 @@ struct nfsd_net { /* size of cache when we saw the longest hash chain */ unsigned int longest_chain_cachesize; - struct shrinker nfsd_reply_cache_shrinker; + struct shrinker *nfsd_reply_cache_shrinker; /* tracking server-to-server copy mounts */ spinlock_t nfsd_ssc_lock; @@ -213,17 +211,27 @@ struct nfsd_net { int nfs4_max_clients; atomic_t nfsd_courtesy_clients; - struct shrinker nfsd_client_shrinker; + struct shrinker *nfsd_client_shrinker; struct work_struct nfsd_shrinker_work; + + /* last time an admin-revoke happened for NFSv4.0 */ + time64_t nfs40_last_revoke; + +#if IS_ENABLED(CONFIG_NFS_LOCALIO) + /* Local clients to be invalidated when net is shut down */ + struct list_head local_clients; +#endif }; /* Simple check to find out if a given net was properly initialized */ #define nfsd_netns_ready(nn) ((nn)->sessionid_hashtbl) -extern void nfsd_netns_free_versions(struct nfsd_net *nn); - +extern bool nfsd_support_version(int vers); extern unsigned int nfsd_net_id; +bool nfsd_serv_try_get(struct net *net); +void nfsd_serv_put(struct net *net); + void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn); void nfsd_reset_write_verifier(struct nfsd_net *nn); #endif /* __NFSD_NETNS_H__ */ |