Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index 426f550..9a4ef81 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -1,21 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* per net namespace data structures for nfsd
*
* Copyright (C) 2012, Jeff Layton <jlayton@redhat.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __NFSD_NETNS_H__
@@ -55,6 +42,11 @@
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
@@ -104,11 +96,15 @@
time_t nfsd4_grace;
bool somebody_reclaimed;
+ bool track_reclaim_completes;
+ atomic_t nr_reclaim_complete;
+
bool nfsd_net_up;
bool lockd_up;
/* Time of server startup */
struct timespec64 nfssvc_boot;
+ seqlock_t boot_lock;
/*
* Max number of connections this nfsd container will allow. Defaults
@@ -116,6 +112,7 @@
*/
unsigned int max_connections;
+ u32 clientid_base;
u32 clientid_counter;
u32 clverifier_counter;
@@ -123,10 +120,67 @@
wait_queue_head_t ntf_wq;
atomic_t ntf_refcnt;
+
+ /*
+ * clientid and stateid data for construction of net unique COPY
+ * stateids.
+ */
+ u32 s2s_cp_cl_id;
+ struct idr s2s_cp_stateids;
+ spinlock_t s2s_cp_lock;
+
+ /*
+ * Version information
+ */
+ 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 */
#define nfsd_netns_ready(nn) ((nn)->sessionid_hashtbl)
+extern void nfsd_netns_free_versions(struct nfsd_net *nn);
+
extern unsigned int nfsd_net_id;
+
+void nfsd_copy_boot_verifier(__be32 verf[2], struct nfsd_net *nn);
+void nfsd_reset_boot_verifier(struct nfsd_net *nn);
#endif /* __NFSD_NETNS_H__ */