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authorAndy Adamson <andros@netapp.com>2009-12-04 15:52:24 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-12-04 15:52:24 -0500
commit4d643d1dfa9349164fe928e255f68020d91dbfe0 (patch)
tree1dde84268d81698e3f84cc3f20d90ddc234ba33f /fs
parent7285f2d2ffd4b7ab4ffb70a47759ee209c30017b (diff)
downloadop-kernel-dev-4d643d1dfa9349164fe928e255f68020d91dbfe0.zip
op-kernel-dev-4d643d1dfa9349164fe928e255f68020d91dbfe0.tar.gz
nfs41: add create session into establish_clid
Reported-by: Trond Myklebust <trond.myklebust@netapp.com> Resetting the clientid from the state manager could result in not confirming the clientid due to create session not being called. Move the create session call from the NFS4CLNT_SESSION_SETUP state manager initialize session case into the NFS4CLNT_LEASE_EXPIRED case establish_clid call. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4_fs.h2
-rw-r--r--fs/nfs/nfs4proc.c7
-rw-r--r--fs/nfs/nfs4state.c35
3 files changed, 19 insertions, 25 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 6ea07a3..99d507d 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -200,9 +200,11 @@ extern ssize_t nfs4_listxattr(struct dentry *, char *, size_t);
/* nfs4proc.c */
extern int nfs4_proc_setclientid(struct nfs_client *, u32, unsigned short, struct rpc_cred *);
extern int nfs4_proc_setclientid_confirm(struct nfs_client *, struct rpc_cred *);
+extern int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred);
extern int nfs4_proc_async_renew(struct nfs_client *, struct rpc_cred *);
extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *);
extern int nfs4_init_clientid(struct nfs_client *, struct rpc_cred *);
+extern int nfs41_init_clientid(struct nfs_client *, struct rpc_cred *);
extern int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait);
extern struct dentry *nfs4_atomic_open(struct inode *, struct dentry *, struct nameidata *);
extern int nfs4_open_revalidate(struct inode *, struct dentry *, int, struct nameidata *);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 0f9b754..528b60a 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4315,7 +4315,7 @@ int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name,
* NFS4ERR_BADSESSION in the sequence operation, and will therefore
* be in some phase of session reset.
*/
-static int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred)
+int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred)
{
nfs4_verifier verifier;
struct nfs41_exchange_id_args args = {
@@ -4601,7 +4601,6 @@ struct nfs4_session *nfs4_alloc_session(struct nfs_client *clp)
if (!session)
return NULL;
- set_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state);
/*
* The create session reply races with the server back
* channel probe. Mark the client NFS_CS_SESSION_INITING
@@ -4967,7 +4966,7 @@ struct nfs4_state_recovery_ops nfs41_reboot_recovery_ops = {
.state_flag_bit = NFS_STATE_RECLAIM_REBOOT,
.recover_open = nfs4_open_reclaim,
.recover_lock = nfs4_lock_reclaim,
- .establish_clid = nfs4_proc_exchange_id,
+ .establish_clid = nfs41_init_clientid,
.get_clid_cred = nfs4_get_exchange_id_cred,
};
#endif /* CONFIG_NFS_V4_1 */
@@ -4987,7 +4986,7 @@ struct nfs4_state_recovery_ops nfs41_nograce_recovery_ops = {
.state_flag_bit = NFS_STATE_RECLAIM_NOGRACE,
.recover_open = nfs4_open_expired,
.recover_lock = nfs4_lock_expired,
- .establish_clid = nfs4_proc_exchange_id,
+ .establish_clid = nfs41_init_clientid,
.get_clid_cred = nfs4_get_exchange_id_cred,
};
#endif /* CONFIG_NFS_V4_1 */
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2eb0059..967fc76 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -116,6 +116,19 @@ struct rpc_cred *nfs4_get_renew_cred_locked(struct nfs_client *clp)
#if defined(CONFIG_NFS_V4_1)
+int nfs41_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
+{
+ int status;
+
+ status = nfs4_proc_exchange_id(clp, cred);
+ if (status == 0)
+ /* create session schedules state renewal upon success */
+ status = nfs4_proc_create_session(clp, 0);
+ if (status == 0)
+ nfs_mark_client_ready(clp, NFS_CS_READY);
+ return status;
+}
+
struct rpc_cred *nfs4_get_exchange_id_cred(struct nfs_client *clp)
{
struct rpc_cred *cred;
@@ -1162,7 +1175,6 @@ static void nfs4_session_recovery_handle_error(struct nfs_client *clp, int err)
switch (err) {
case -NFS4ERR_STALE_CLIENTID:
set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
- set_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state);
}
}
@@ -1188,24 +1200,8 @@ out:
return status;
}
-static int nfs4_initialize_session(struct nfs_client *clp)
-{
- int status;
-
- status = nfs4_proc_create_session(clp, 0);
- if (!status) {
- nfs_mark_client_ready(clp, NFS_CS_READY);
- } else if (status == -NFS4ERR_STALE_CLIENTID) {
- set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
- set_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state);
- } else {
- nfs_mark_client_ready(clp, status);
- }
- return status;
-}
#else /* CONFIG_NFS_V4_1 */
static int nfs4_reset_session(struct nfs_client *clp) { return 0; }
-static int nfs4_initialize_session(struct nfs_client *clp) { return 0; }
#endif /* CONFIG_NFS_V4_1 */
/* Set NFS4CLNT_LEASE_EXPIRED for all v4.0 errors and for recoverable errors
@@ -1262,10 +1258,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
/* Initialize or reset the session */
if (test_and_clear_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state)
&& nfs4_has_session(clp)) {
- if (clp->cl_cons_state == NFS_CS_SESSION_INITING)
- status = nfs4_initialize_session(clp);
- else
- status = nfs4_reset_session(clp);
+ status = nfs4_reset_session(clp);
if (test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
continue;
if (status < 0)
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