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| author | Bryan Schumaker <bjschuma@netapp.com> | 2011-06-02 14:59:09 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-07-12 13:40:28 -0400 |
| commit | 9aeda35fd643eba683fdb8dba8907fa796a85dda (patch) | |
| tree | df797ea6f4eca0601edcdf941ac678d11c79a07a /fs/nfs/nfs4proc.c | |
| parent | 7d9747947ae66d8f6a9a9a023a3a5e28df6a536e (diff) | |
| download | op-kernel-dev-9aeda35fd643eba683fdb8dba8907fa796a85dda.zip op-kernel-dev-9aeda35fd643eba683fdb8dba8907fa796a85dda.tar.gz | |
NFS: added FREE_STATEID call
FREE_STATEID is used to tell the server that we want to free a stateid
that no longer has any locks associated with it. This allows the client
to reclaim locks without encountering edge conditions documented in
section 8.4.3 of RFC 5661.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5612ba9..197ad0a 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6043,6 +6043,36 @@ static int nfs41_test_stateid(struct nfs_server *server, struct nfs4_state *stat } while (exception.retry); return err; } + +static int _nfs4_free_stateid(struct nfs_server *server, struct nfs4_state *state) +{ + int status; + struct nfs41_free_stateid_args args = { + .stateid = &state->stateid, + }; + struct nfs41_free_stateid_res res; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_FREE_STATEID], + .rpc_argp = &args, + .rpc_resp = &res, + }; + + args.seq_args.sa_session = res.seq_res.sr_session = NULL; + status = nfs4_call_sync_sequence(server->client, server, &msg, &args.seq_args, &res.seq_res, 0, 1); + return status; +} + +static int nfs41_free_stateid(struct nfs_server *server, struct nfs4_state *state) +{ + struct nfs4_exception exception = { }; + int err; + do { + err = nfs4_handle_exception(server, + _nfs4_free_stateid(server, state), + &exception); + } while (exception.retry); + return err; +} #endif /* CONFIG_NFS_V4_1 */ struct nfs4_state_recovery_ops nfs40_reboot_recovery_ops = { |
