diff options
author | Andy Adamson <andros@netapp.com> | 2011-03-01 01:34:17 +0000 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-03-11 15:38:42 -0500 |
commit | d83217c13531fd59730d77b5c2284e90e56c0a50 (patch) | |
tree | e347037afc91fdb81e0e2fcf7225d30462fb90af /fs/nfs/nfs4proc.c | |
parent | 64419a9b20938d9070fdd8c58c2fa23c911915f8 (diff) | |
download | op-kernel-dev-d83217c13531fd59730d77b5c2284e90e56c0a50.zip op-kernel-dev-d83217c13531fd59730d77b5c2284e90e56c0a50.tar.gz |
NFSv4.1: data server connection
Introduce a data server set_client and init session following the
nfs4_set_client and nfs4_init_session convention.
Once a new nfs_client is on the nfs_client_list, the nfs_client cl_cons_state
serializes access to creating an nfs_client struct with matching properties.
Use the new nfs_get_client() that initializes new clients.
Signed-off-by: Andy Adamson <andros@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 | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 55a8fc2..07d1a43 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1573,9 +1573,8 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) return 0; } -static int nfs4_recover_expired_lease(struct nfs_server *server) +static int nfs4_client_recover_expired_lease(struct nfs_client *clp) { - struct nfs_client *clp = server->nfs_client; unsigned int loop; int ret; @@ -1592,6 +1591,11 @@ static int nfs4_recover_expired_lease(struct nfs_server *server) return ret; } +static int nfs4_recover_expired_lease(struct nfs_server *server) +{ + return nfs4_client_recover_expired_lease(server->nfs_client); +} + /* * OPEN_EXPIRED: * reclaim state on the server after a network partition. @@ -5118,6 +5122,27 @@ int nfs4_init_session(struct nfs_server *server) return ret; } +int nfs4_init_ds_session(struct nfs_client *clp) +{ + struct nfs4_session *session = clp->cl_session; + int ret; + + if (!test_and_clear_bit(NFS4_SESSION_INITING, &session->session_state)) + return 0; + + ret = nfs4_client_recover_expired_lease(clp); + if (!ret) + /* Test for the DS role */ + if (!is_ds_client(clp)) + ret = -ENODEV; + if (!ret) + ret = nfs4_check_client_ready(clp); + return ret; + +} +EXPORT_SYMBOL_GPL(nfs4_init_ds_session); + + /* * Renew the cl_session lease. */ |