OpenCloudOS-Kernel/fs/nfs
Jeff Layton 5283b03ee5 nfs/nfsd/sunrpc: enforce transport requirements for NFSv4
NFSv4 requires a transport "that is specified to avoid network
congestion" (RFC 7530, section 3.1, paragraph 2).  In practical terms,
that means that you should not run NFSv4 over UDP. The server has never
enforced that requirement, however.

This patchset fixes this by adding a new flag to the svc_version that
states that it has these transport requirements. With that, we can check
that the transport has XPT_CONG_CTRL set before processing an RPC. If it
doesn't we reject it with RPC_PROG_MISMATCH.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2017-02-24 17:03:34 -05:00
..
blocklayout pnfs/blocklayout: fix last_write_offset incorrectly set to page boundary 2016-10-13 16:42:53 -04:00
filelayout NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success. 2016-12-19 17:29:48 -05:00
flexfilelayout ktime: Get rid of ktime_equal() 2016-12-25 17:21:23 +01:00
objlayout pNFS: Get rid of unnecessary layout parameter in encode_layoutreturn callback 2016-12-01 17:21:44 -05:00
Kconfig kernel: conditionally support non-root users, groups and capabilities 2015-04-15 16:35:22 -07:00
Makefile NFS: Do not serialise O_DIRECT reads and writes 2016-07-05 19:11:04 -04:00
cache_lib.c NFS: cache_lib: use complete() instead of complete_all() 2016-09-23 09:40:12 -04:00
cache_lib.h
callback.c NFSv4.x: hide array-bounds warning 2016-11-22 16:11:44 -05:00
callback.h nfs: add handling for CB_NOTIFY_LOCK in client 2016-09-22 13:56:04 -04:00
callback_proc.c pNFS: Delay getting the layout header in CB_LAYOUTRECALL handlers 2016-12-01 17:21:42 -05:00
callback_xdr.c nfs/nfsd/sunrpc: enforce transport requirements for NFSv4 2017-02-24 17:03:34 -05:00
client.c NFS: Remove unused authflavour parameter from nfs_get_client() 2016-12-01 17:46:32 -05:00
delegation.c NFSv4: Optimise away forced revalidation when we know the attributes are OK 2016-12-01 17:21:37 -05:00
delegation.h NFSv4: nfs_inode_find_state_and_recover() should check all stateids 2016-09-27 14:34:35 -04:00
dir.c NFS: Fix and clean up the access cache validity checking 2016-12-19 17:29:39 -05:00
direct.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
dns_resolve.c NFS: Enabling v4.2 should not recompile nfsd and lockd 2013-11-19 16:20:40 -05:00
dns_resolve.h
file.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
fscache-index.c NFS: Fabricate fscache server index key correctly 2014-09-25 21:25:18 -04:00
fscache.c nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
fscache.h
getroot.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
inode.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
internal.h NFS: Clean up cache validity checking 2016-12-19 17:29:35 -05:00
io.c NFS: Do not serialise O_DIRECT reads and writes 2016-07-05 19:11:04 -04:00
iostat.h nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
mount_clnt.c NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY 2015-10-21 15:49:23 -05:00
namespace.c NFS: Trim extra slash in v4 nfs_path 2016-10-24 12:06:01 -04:00
netns.h netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
nfs.h
nfs2super.c
nfs2xdr.c nfs: save server READ/WRITE/COMMIT status 2015-02-03 11:06:40 -08:00
nfs3_fs.h nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3acl.c posix_acl: Inode acl caching fixes 2016-03-31 00:30:15 -04:00
nfs3client.c NFS: Remove unused authflavour parameter from nfs_get_client() 2016-12-01 17:46:32 -05:00
nfs3proc.c vfs: Remove {get,set,remove}xattr inode operations 2016-10-07 21:48:36 -04:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c xprtrdma: Fix large NFS SYMLINK calls 2015-08-05 16:21:28 -04:00
nfs4_fs.h NFSv4: change nfs4_select_rw_stateid to take a lock_context inplace of lock_owner 2016-12-01 17:57:56 -05:00
nfs4client.c NFS: Remove unused authflavour parameter from nfs_get_client() 2016-12-01 17:46:32 -05:00
nfs4file.c NFSv4: add flock_owner to open context 2016-12-01 17:57:27 -05:00
nfs4getroot.c nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh 2015-07-01 11:31:22 -04:00
nfs4idmap.c KEYS: Add a facility to restrict new links into a keyring 2016-04-11 22:37:37 +01:00
nfs4idmap.h NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4namespace.c qstr: constify instances in nfs 2016-07-20 23:30:06 -04:00
nfs4proc.c NFSv4.0: always send mode in SETATTR after EXCLUSIVE4 2017-01-24 12:52:34 -05:00
nfs4renewd.c NFSv4: Cap the transport reconnection timer at 1/2 lease period 2016-08-05 19:22:22 -04:00
nfs4session.c NFSv4.1: Fix regression in callback retry handling 2016-12-01 17:21:38 -05:00
nfs4session.h NFSv4.1: Don't deadlock the state manager on the SEQUENCE status flags 2016-09-27 14:31:27 -04:00
nfs4state.c nfs: Fix "Don't increment lock sequence ID after NFS4ERR_MOVED" 2017-01-26 15:25:03 -05:00
nfs4super.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4sysctl.c nfs: do not initialise statics to 0 2015-12-28 09:57:15 -05:00
nfs4trace.c pNFS: Modify pnfs_update_layout tracepoints to use layout stateid 2015-12-28 09:57:14 -05:00
nfs4trace.h tracing: Use __get_str() when manipulating strings 2016-07-15 15:52:20 -04:00
nfs4xdr.c NFSv4: Retry the DELEGRETURN if the embedded GETATTR is rejected with EACCES 2016-12-19 17:30:03 -05:00
nfs42.h NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfs42proc.c pNFS/flexfiles: Minor refactoring before adding iostats to layoutreturn 2016-12-03 15:37:45 -05:00
nfs42xdr.c pNFS/flexfiles: Minor refactoring before adding iostats to layoutreturn 2016-12-03 15:37:45 -05:00
nfsroot.c nfsroot: make nfsroot to accept the 1024 bytes long directory name 2015-10-21 15:49:19 -05:00
nfstrace.c NFSv4: Allow tracing of NFSv4 fsync calls 2015-03-27 12:39:34 -04:00
nfstrace.h NFS client updates for Linux 4.8 2016-07-30 16:33:25 -07:00
pagelist.c NFS: discard nfs_lockowner structure. 2016-12-01 17:58:13 -05:00
pnfs.c pNFS: Fix a reference leak in _pnfs_return_layout 2017-01-26 15:50:41 -05:00
pnfs.h pNFS/flexfiles: Minor refactoring before adding iostats to layoutreturn 2016-12-03 15:37:45 -05:00
pnfs_dev.c NFSv4.1: Don't cache deviceids that have no notifications 2015-03-27 12:32:24 -04:00
pnfs_nfs.c NFS: Remove unused authflavour parameter from nfs_get_client() 2016-12-01 17:46:32 -05:00
proc.c fs: rename "rename2" i_op to "rename" 2016-09-27 11:03:58 +02:00
read.c mm: remove page_file_index 2016-10-07 18:46:28 -07:00
super.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
symlink.c vfs: remove ".readlink = generic_readlink" assignments 2016-12-09 16:45:04 +01:00
sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
unlink.c qstr: constify instances in nfs 2016-07-20 23:30:06 -04:00
write.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00