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Jeff Layton 08474128b1 nfsd: allow disabling NFSv2 at compile time 
[ Upstream commit 2f3a4b2ac2f28b9be78ad21f401f31e263845214 ]

rpc.nfsd stopped supporting NFSv2 a year ago. Take the next logical
step toward deprecating it and allow NFSv2 support to be compiled out.

Add a new CONFIG_NFSD_V2 option that can be turned off and rework the
CONFIG_NFSD_V?_ACL option dependencies. Add a description that
discourages enabling it.

Also, change the description of CONFIG_NFSD to state that the always-on
version is now 3 instead of 2.

Finally, add an #ifdef around "case 2:" in __write_versions. When NFSv2
is disabled at compile time, this should make the kernel ignore attempts
to disable it at runtime, but still error out when trying to enable it.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Tom Talpey <tom@talpey.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-19 12:28:26 +01:00
..
acl.h NFSD: add posix ACLs to struct nfsd_attrs 2024-11-19 12:28:04 +01:00
auth.c
auth.h
blocklayout.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
blocklayoutxdr.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
blocklayoutxdr.h
cache.h nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops 2024-11-19 12:28:24 +01:00
current_stateid.h
export.c nfsd: report per-export stats 2024-11-19 12:27:31 +01:00
export.h nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
fault_inject.c
filecache.c nfsd: fix use-after-free in nfsd_file_do_acquire tracepoint 2024-11-19 12:28:25 +01:00
filecache.h nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_file_cache_stats_fops 2024-11-19 12:28:24 +01:00
flexfilelayout.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
flexfilelayoutxdr.c
flexfilelayoutxdr.h
idmap.h
Kconfig nfsd: allow disabling NFSv2 at compile time 2024-11-19 12:28:26 +01:00
lockd.c Keep read and write fds with each nlm_file 2024-11-19 12:27:44 +01:00
Makefile nfsd: allow disabling NFSv2 at compile time 2024-11-19 12:28:26 +01:00
netns.h NFSD: add shrinker to reap courtesy clients on low memory condition 2024-11-19 12:28:23 +01:00
nfs2acl.c NFSD: Finish converting the NFSv2 GETACL result encoder 2024-11-19 12:28:26 +01:00
nfs3acl.c NFSD: Finish converting the NFSv3 GETACL result encoder 2024-11-19 12:28:26 +01:00
nfs3proc.c NFSD: Refactor common code out of dirlist helpers 2024-11-19 12:28:23 +01:00
nfs3xdr.c NFSD: Clean up WRITE arg decoders 2024-11-19 12:28:23 +01:00
nfs4acl.c NFSD: add posix ACLs to struct nfsd_attrs 2024-11-19 12:28:04 +01:00
nfs4callback.c nfsd: make nfsd4_run_cb a bool return function 2024-11-19 12:28:24 +01:00
nfs4idmap.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
nfs4layouts.c NFSD: Add tracepoints to report NFSv4 callback completions 2024-11-19 12:28:22 +01:00
nfs4proc.c NFSD: Cap rsize_bop result based on send buffer size 2024-11-19 12:28:24 +01:00
nfs4recover.c nfsd: Propagate some error code returned by memdup_user() 2024-11-19 12:28:21 +01:00
nfs4state.c nfsd: use locks_inode_context helper 2024-11-19 12:28:25 +01:00
nfs4xdr.c NFSD: Simplify READ_PLUS 2024-11-19 12:28:26 +01:00
nfscache.c nfsd: use DEFINE_SHOW_ATTRIBUTE to define nfsd_reply_cache_stats_fops 2024-11-19 12:28:24 +01:00
nfsctl.c nfsd: allow disabling NFSv2 at compile time 2024-11-19 12:28:26 +01:00
nfsd.h nfsd: allow disabling NFSv2 at compile time 2024-11-19 12:28:26 +01:00
nfsfh.c NFSD: Remove CONFIG_NFSD_V3 2024-11-19 12:27:54 +01:00
nfsfh.h NFSD: Remove CONFIG_NFSD_V3 2024-11-19 12:27:54 +01:00
nfsproc.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
nfssvc.c nfsd: allow disabling NFSv2 at compile time 2024-11-19 12:28:26 +01:00
nfsxdr.c NFSD: Clean up WRITE arg decoders 2024-11-19 12:28:23 +01:00
pnfs.h
state.h nfsd: make nfsd4_run_cb a bool return function 2024-11-19 12:28:24 +01:00
stats.c nfsd: use DEFINE_PROC_SHOW_ATTRIBUTE to define nfsd_proc_ops 2024-11-19 12:28:24 +01:00
stats.h nfsd: make nfsd_stats.th_cnt atomic_t 2024-11-19 12:27:50 +01:00
trace.c
trace.h NFSD: Add a mechanism to wait for a DELEGRETURN 2024-11-19 12:28:22 +01:00
vfs.c nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
vfs.h nfsd: move nfserrno() to vfs.c 2024-11-19 12:28:26 +01:00
xdr.h SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
xdr3.h SUNRPC: Change return value type of .pc_encode 2024-11-19 12:27:48 +01:00
xdr4.h NFSD: Pack struct nfsd4_compoundres 2024-11-19 12:28:23 +01:00
xdr4cb.h