Merge tag 'scmi-fixes-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep...

[mirror_ubuntu-focal-kernel.git] / fs / nfsd / netns.h

diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index 7c686a270d608ecd43893f1c02cedc091c2ad7b8..bdfe5bcb3dcd0430a6a33f0738a41be75eb157dc 100644 (file)
--- 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 */