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Author SHA1 Message Date
Jeff Layton aa9a4ec770 nfsd: convert nfs4_cb_conn struct to hold address in sockaddr_storage 
...rather than as a separate address and port fields. This will be
necessary for implementing callbacks over IPv6. Also, convert
gen_callback to use the standard rpcuaddr2sockaddr routine rather than
its own private one.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 2009-08-21 11:27:43 -04:00
Jeff Layton 363168b4ea nfsd: make nfs4_client->cl_addr a struct sockaddr_storage 
It's currently a __be32, which isn't big enough to hold an IPv6 address.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 2009-08-21 11:27:43 -04:00
Jeff Layton be3ad6b0b6 sunrpc: add common routine for copying address portion of a sockaddr 
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 2009-08-21 11:27:43 -04:00
Jeff Layton 4516fc0454 sunrpc: add routine for comparing addresses 
lockd needs these sort of routines, as does the NFSv4 callback code.

Move lockd's routines into common code and rename them so that they can
be used by others.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 2009-08-21 11:27:42 -04:00
J. Bruce Fields e9dc122166 Merge branch 'nfs-for-2.6.32' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 into for-2.6.32-incoming 
Conflicts:
	net/sunrpc/cache.c
 2009-08-21 11:27:29 -04:00
Trond Myklebust 405d8f8b1d SUNRPC: Ensure that sunrpc gets initialised before nfs, lockd, etc... 
We can oops if rpc_pipefs isn't properly initialised before we start to set
up objects that depend upon it.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-21 08:17:56 -04:00
J. Bruce Fields 4dceef9675 nfs: fix compile error in rpc_pipefs.h 
This include is needed for the definition of delayed_work.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-20 18:20:25 -04:00
Jan Kara e1af88a1ad nfs: Remove reference to generic_osync_inode from a comment 
generic_file_direct_write() no longer calls generic_osync_inode() so remove the
comment.

CC: linux-nfs@vger.kernel.org
CC: Neil Brown <neilb@suse.de>
CC: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-19 19:48:08 -04:00
Trond Myklebust f7e86ab92f SUNRPC: cache must take a reference to the cache detail's module on open() 
Otherwise we Oops if the module containing the cache detail is removed
before all cache readers have closed the file.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-19 18:22:16 -04:00
Trond Myklebust 7d7ea88289 NFS: Use the DNS resolver in the mount code. 
In the referral code, use it to look up the new server's ip address if the
fs_locations attribute contains a hostname.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-19 18:22:15 -04:00
Trond Myklebust e571cbf1a4 NFS: Add a dns resolver for use with NFSv4 referrals and migration 
The NFSv4 and NFSv4.1 protocols both allow for the redirection of a client
from one server to another in order to support filesystem migration and
replication. For full protocol support, we need to add the ability to
convert a DNS host name into an IP address that we can feed to the RPC
client.

We'll reuse the sunrpc cache, now that it has been converted to work with
rpc_pipefs.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-19 18:22:15 -04:00
Trond Myklebust 96c61cbd0f SUNRPC: Fix a typo in cache_pipefs_files 
We want the channel to be a regular file, so that we don't need to supply
rpc_pipe_ops.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-19 18:22:15 -04:00
Trond Myklebust 6a396f67d2 Merge branch 'nfsv4_xdr_cleanups-for-2.6.32' into nfs-for-2.6.32 
Conflicts:
	fs/nfs/nfs4xdr.c
 2009-08-19 18:21:52 -04:00
Benny Halevy cccddf4f55 nfs: nfs4xdr: optimize low level decoding 
do not increment decoding ptr if not needed.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 14:02:26 -04:00
Benny Halevy c0eae66ece nfs: nfs4xdr: get rid of READ_BUF 
Use xdr_inline_decode instead.
Open code debug printout and error return.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 14:02:23 -04:00
Benny Halevy 2460ba57c4 nfs: nfs4xdr: simplify decode_exchange_id by reusing decode_opaque_inline 
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 14:02:20 -04:00
Benny Halevy 99398d0655 nfs: nfs4xdr: get rid of COPYMEM 
Just directly call memcpy.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 14:02:17 -04:00
Benny Halevy e78291e4e0 nfs: nfs4xdr: introduce decode_sessionid helper 
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 14:02:14 -04:00
Benny Halevy db942bbd09 nfs: nfs4xdr: introduce decode_verifier helper 
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
[Trond: Fixed up an 'uninitialised variable' issue in decode_readdir]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 13:57:58 -04:00
Benny Halevy 07d30434cf nfs: nfs4xdr: introduce decode_opaque_fixed and decode_stateid helpers 
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 13:26:27 -04:00
Benny Halevy 686841b3cc nfs: nfs4xdr: introduce print_overflow_msg 
Part fo the nfs4xdr cleanup.  READ_BUF will go away.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 13:24:38 -04:00
Benny Halevy c816fd3406 nfs: nfs4xdr: get rid of READTIME 
It has no users.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 13:24:32 -04:00
Benny Halevy 3ceb4dbb99 nfs: nfs4xdr: get rid of READ64 
s/READ64\(\*(.*)\)/p = xdr_decode_hyper(p, \1)/
s/READ64\((.*)\)/p = xdr_decode_hyper(p, &\1)/

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 13:24:13 -04:00
Benny Halevy 6f723f7710 nfs: nfs4xdr: get rid of READ32 
s/READ32\((.*)\)/\1 = be32_to_cpup(p++)/

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 13:23:58 -04:00
Benny Halevy 811652bd6e nfs: nfs4xdr: merge xdr_encode_int+xdr_encode_opaque_fixed into xdr_encode_opaque 
use encode_string where appropriate.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
 2009-08-14 13:19:24 -04:00