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Ricardo Labiaga 68f3f90133 nfs41: Backchannel: CB_SEQUENCE validation 
Validates the callback's sessionID, the slot number, and the sequence ID.
Increments the slot's sequence.

Detects replays, but simply prints a debug message (if debugging is enabled
since we don't yet implement a duplicate request cache for the backchannel.
This should not present a problem, since only idempotent callbacks are
currently implemented.

Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[nfs41: Backchannel: Be more obvious about the return value]
[nfs41: Backchannel: dprink in host order]
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
2009-06-17 14:11:43 -07:00
..
callback.c nfs41: Allow NFSv4 and NFSv4.1 callback services to coexist 2009-06-17 14:11:32 -07:00
callback.h nfs41: Backchannel: update cb_sequence args and results 2009-06-17 14:11:40 -07:00
callback_proc.c nfs41: Backchannel: CB_SEQUENCE validation 2009-06-17 14:11:43 -07:00
callback_xdr.c nfs41: Backchannel: update cb_sequence args and results 2009-06-17 14:11:40 -07:00
client.c nfs41: Setup the backchannel 2009-06-17 14:11:32 -07:00
delegation.c NFSv4: Convert delegation->type field to fmode_t 2008-12-23 15:21:53 -05:00
delegation.h NFSv4: Convert delegation->type field to fmode_t 2008-12-23 15:21:53 -05:00
dir.c nfs: Fix NFS v4 client handling of MAY_EXEC in nfs_permission. 2009-05-18 20:11:12 -07:00
direct.c nfs41 commit sequence setup done support 2009-06-17 10:46:50 -07:00
file.c NFS: Close page_mkwrite() races 2009-05-02 19:42:39 -07:00
fscache-index.c NFS: Add read context retention for FS-Cache to call back with 2009-04-03 16:42:44 +01:00
fscache.c NFS: Store pages from an NFS inode into a local cache 2009-04-03 16:42:45 +01:00
fscache.h NFS: Display local caching state 2009-04-03 16:42:47 +01:00
getroot.c NFS: Fix the type of struct nfs_fattr->mode 2009-03-11 14:10:26 -04:00
idmap.c nfs: fix sparse warnings 2008-02-20 16:15:44 -05:00
inode.c NFS: Use local disk inode cache 2009-04-03 16:42:43 +01:00
internal.h nfs41: recover lease in _nfs4_lookup_root 2009-06-17 12:25:13 -07:00
iostat.h NFS: Add some new I/O counters for FS-Cache doing things for NFS 2009-04-03 16:42:43 +01:00
Kconfig nfs41: Add Kconfig symbols for NFSv4.1 2009-06-17 10:46:13 -07:00
Makefile NFS: Define and create server-level objects 2009-04-03 16:42:42 +01:00
mount_clnt.c NFS: "[no]resvport" mount option changes mountd client too 2008-12-23 15:21:37 -05:00
namespace.c nfs: BUG_ON in nfs_follow_mountpoint 2008-10-07 18:15:16 -04:00
nfs2xdr.c NFS: Fix the type of struct nfs_fattr->mode 2009-03-11 14:10:26 -04:00
nfs3acl.c NFSv3: Fix posix ACL code 2009-03-10 20:33:18 -04:00
nfs3proc.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2009-04-02 21:09:10 -07:00
nfs3xdr.c NFS: Fix the XDR iovec calculation in nfs3_xdr_setaclargs 2009-04-21 07:46:49 -07:00
nfs4_fs.h nfs41: get_clid_cred for EXCHANGE_ID 2009-06-17 12:25:13 -07:00
nfs4namespace.c NFS: Fix misparsing of nfsv4 fs_locations attribute (take 2) 2009-03-10 20:33:17 -04:00
nfs4proc.c nfs41: Backchannel: Add a backchannel slot table to the session 2009-06-17 14:11:42 -07:00
nfs4renewd.c nfs41: introduce get_state_renewal_cred 2009-06-17 12:25:11 -07:00
nfs4state.c nfs41: increment_{open,lock}_seqid 2009-06-17 12:43:45 -07:00
nfs4xdr.c nfs41: sequence operation 2009-06-17 12:25:04 -07:00
nfsroot.c nfs: fix build error in nfsroot with initconst 2009-05-26 14:51:00 -04:00
pagelist.c NFS: Throttle page dirtying while we're flushing to disk 2009-03-11 14:10:30 -04:00
proc.c NFS: Optimise NFS close() 2009-03-19 15:35:50 -04:00
read.c nfs41: use rpc prepare call state for session reset 2009-06-17 12:25:07 -07:00
super.c nfs41: Release backchannel resources associated with session 2009-06-17 14:11:34 -07:00
symlink.c nfs: remove unnecessary NFS_NEED_* defines 2008-04-23 16:13:37 -04:00
sysctl.c [PATCH] nfs: fix congestion control 2007-03-16 19:25:05 -07:00
unlink.c nfs41: use rpc prepare call state for session reset 2009-06-17 12:25:07 -07:00
write.c nfs41: use rpc prepare call state for session reset 2009-06-17 12:25:07 -07:00