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NeilBrown df56784760 NFSD: fix nfsd_reset_versions for NFSv4. 
[ Upstream commit 800a938f0bf9130c8256116649c0cc5806bfb2fd ]

If you write "-2 -3 -4" to the "versions" file, it will
notice that no versions are enabled, and nfsd_reset_versions()
is called.
This enables all major versions, not no minor versions.
So we lose the invariant that NFSv4 is only advertised when
at least one minor is enabled.

Fix the code to explicitly enable minor versions for v4,
change it to use nfsd_vers() to test and set, and simplify
the code.

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20 10:04:53 +01:00
..
acl.h nfsd4: remove nfs4_acl_new 2014-07-08 17:14:27 -04:00
auth.c nfsd: silence sparse warning about accessing credentials 2014-07-17 16:15:35 -04:00
auth.h nfsd: Remove nfsd_luid, nfsd_lgid, nfsd_ruid and nfsd_rgid 2013-02-13 06:15:51 -08:00
blocklayout.c fs: add i_blocksize() 2017-06-14 13:16:24 +02:00
blocklayoutxdr.c pnfs: move common blocklayout XDR defintions to nfs4.h 2015-08-17 13:22:49 -05:00
blocklayoutxdr.h pnfs: move common blocklayout XDR defintions to nfs4.h 2015-08-17 13:22:49 -05:00
cache.h nfsd: Remove the cache_hash list 2014-08-17 12:00:12 -04:00
current_stateid.h nfsd41: use current stateid by value 2012-02-15 11:20:45 -05:00
export.c sunrpc/nfsd: Remove redundant code by exports seq_operations functions 2015-08-13 08:59:02 -04:00
export.h nfsd: include linux/nfs4.h in export.h 2015-08-13 10:21:21 -04:00
fault_inject.c nfsd: remove old fault injection infrastructure 2014-08-05 10:55:10 -04:00
idmap.h nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx 2015-07-20 14:58:46 -04:00
Kconfig Merge branch 'for-4.1' of git://linux-nfs.org/~bfields/linux 2015-04-24 07:46:05 -07:00
lockd.c nfsd: Remove deprecated nfsctl system call and related code. 2011-07-15 18:58:42 -04:00
Makefile nfsd: pNFS block layout driver 2015-02-05 14:35:18 +01:00
netns.h nfsd: New counter for generating client confirm verifier 2015-08-10 16:05:47 -04:00
nfs2acl.c nfsd: check permissions when setting ACLs 2016-07-27 09:47:30 -07:00
nfs3acl.c nfsd: check permissions when setting ACLs 2016-07-27 09:47:30 -07:00
nfs3proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs3xdr.c nfsd: stricter decoding of write-like NFSv2/v3 ops 2017-05-08 07:46:02 +02:00
nfs4acl.c nfsd: check permissions when setting ACLs 2016-07-27 09:47:30 -07:00
nfs4callback.c nfsd/callback: Cleanup callback cred on shutdown 2017-10-21 17:09:06 +02:00
nfs4idmap.c nfsd: Remove duplicate define of IDMAP_NAMESZ/IDMAP_TYPE_xx 2015-07-20 14:58:46 -04:00
nfs4layouts.c NFSD: Fix a null reference case in find_or_create_lock_stateid() 2017-02-09 08:02:45 +01:00
nfs4proc.c nfsd4: fix null dereference on replay 2017-06-14 13:16:21 +02:00
nfs4recover.c nfsd: don't WARN/backtrace for invalid container deployment. 2015-08-31 16:32:08 -04:00
nfs4state.c nfsd: Fix another OPEN stateid race 2017-12-05 11:22:52 +01:00
nfs4xdr.c nfsd: Limit end of page list when decoding NFSv4 WRITE 2017-08-30 10:19:25 +02:00
nfscache.c nfsd: remove recurring workqueue job to clean DRC 2015-11-10 09:25:51 -05:00
nfsctl.c nfsd: fix nsfd startup race triggering BUG_ON 2015-04-21 16:16:03 -04:00
nfsd.h nfsd: eliminate NFSD_DEBUG 2015-04-21 16:16:02 -04:00
nfsfh.c nfsd: switch unsigned char flags in svc_fh to bools 2015-10-12 17:31:04 -04:00
nfsfh.h nfsd: switch unsigned char flags in svc_fh to bools 2015-10-12 17:31:04 -04:00
nfsproc.c nfsd: Disable NFSv2 timestamp workaround for NFSv3+ 2015-05-29 11:04:01 -04:00
nfssvc.c NFSD: fix nfsd_reset_versions for NFSv4. 2017-12-20 10:04:53 +01:00
nfsxdr.c nfsd: stricter decoding of write-like NFSv2/v3 ops 2017-05-08 07:46:02 +02:00
pnfs.h nfsd4: fix v3-less build 2015-02-16 11:43:13 -05:00
state.h nfsd/callback: Cleanup callback cred on shutdown 2017-10-21 17:09:06 +02:00
stats.c nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
stats.h nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
trace.c nfsd: move include of state.h from trace.c to trace.h 2015-10-23 15:57:29 -04:00
trace.h nfsd: move include of state.h from trace.c to trace.h 2015-10-23 15:57:29 -04:00
vfs.c nfsd: special case truncates some more 2017-03-12 06:37:30 +01:00
vfs.h nfsd: switch unsigned char flags in svc_fh to bools 2015-10-12 17:31:04 -04:00
xdr.h nfsd: handle vfs_getattr errors in acl protocol 2013-02-26 02:46:09 -05:00
xdr3.h nfsd: fix encode_entryplus_baggage stack usage 2014-01-23 13:50:27 -05:00
xdr4.h nfsd: switch unsigned char flags in svc_fh to bools 2015-10-12 17:31:04 -04:00
xdr4cb.h nfsd: implement pNFS layout recalls 2015-02-02 18:09:43 +01:00