diff options
Diffstat (limited to 'fs/nfsd/netns.h')
| -rw-r--r-- | fs/nfsd/netns.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index 7c686a270d60..bdfe5bcb3dcd 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -42,6 +42,11 @@ struct nfsd_net { bool grace_ended; time_t boot_time; + /* internal mount of the "nfsd" pseudofilesystem: */ + struct vfsmount *nfsd_mnt; + + struct dentry *nfsd_client_dir; + /* * reclaim_str_hashtbl[] holds known client info from previous reset/reboot * used in reboot/reset lease grace period processing @@ -106,6 +111,7 @@ struct nfsd_net { */ unsigned int max_connections; + u32 clientid_base; u32 clientid_counter; u32 clverifier_counter; @@ -127,6 +133,44 @@ struct nfsd_net { */ bool *nfsd_versions; bool *nfsd4_minorversions; + + /* + * Duplicate reply cache + */ + struct nfsd_drc_bucket *drc_hashtbl; + struct kmem_cache *drc_slab; + + /* max number of entries allowed in the cache */ + unsigned int max_drc_entries; + + /* number of significant bits in the hash value */ + unsigned int maskbits; + unsigned int drc_hashsize; + + /* + * Stats and other tracking of on the duplicate reply cache. + * These fields and the "rc" fields in nfsdstats are modified + * with only the per-bucket cache lock, which isn't really safe + * and should be fixed if we want the statistics to be + * completely accurate. + */ + + /* total number of entries */ + atomic_t num_drc_entries; + + /* cache misses due only to checksum comparison failures */ + unsigned int payload_misses; + + /* amount of memory (in bytes) currently consumed by the DRC */ + unsigned int drc_mem_usage; + + /* longest hash chain seen */ + unsigned int longest_chain; + + /* size of cache when we saw the longest hash chain */ + unsigned int longest_chain_cachesize; + + struct shrinker nfsd_reply_cache_shrinker; }; /* Simple check to find out if a given net was properly initialized */ |