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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-03-12 12:25:28 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-03-14 13:42:49 -0400 |
| commit | 98a8e3239427051f5d44f2025b398bdcc3918f37 (patch) | |
| tree | aa3e6ba69dbf8575c2c6e10c013aa23d7d638af0 /fs/nfs/nfs4proc.c | |
| parent | 5c691044ecbca04dd558fca4c754121689fe1b34 (diff) | |
| download | linux-98a8e3239427051f5d44f2025b398bdcc3918f37.tar.bz2 | |
SUNRPC: Add a helper rpcauth_lookup_generic_cred()
The NFSv4 protocol allows clients to negotiate security protocols on the
fly in the case where an administrator on the server changes the export
settings and/or in the case where we may have a filesystem migration event.
Instead of having the NFS client code cache credentials that are tied to a
particular AUTH method it is therefore preferable to have a generic credential
that can be converted into whatever AUTH is in use by the RPC client when
the read/write/sillyrename/... is put on the wire.
We do this by means of the new "generic" credential, which basically just
caches the minimal information that is needed to look up an RPCSEC_GSS,
AUTH_SYS, or AUTH_NULL credential.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index bbb0d58ee6ac..f38d0573be18 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1408,7 +1408,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd) BUG_ON(nd->intent.open.flags & O_CREAT); } - cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0); + cred = rpc_lookup_cred(); if (IS_ERR(cred)) return (struct dentry *)cred; parent = dentry->d_parent; @@ -1443,7 +1443,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st struct rpc_cred *cred; struct nfs4_state *state; - cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0); + cred = rpc_lookup_cred(); if (IS_ERR(cred)) return PTR_ERR(cred); state = nfs4_do_open(dir, &path, openflags, NULL, cred); @@ -1660,7 +1660,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, nfs_fattr_init(fattr); - cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0); + cred = rpc_lookup_cred(); if (IS_ERR(cred)) return PTR_ERR(cred); @@ -1896,7 +1896,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, struct rpc_cred *cred; int status = 0; - cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0); + cred = rpc_lookup_cred(); if (IS_ERR(cred)) { status = PTR_ERR(cred); goto out; |