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path: root/fs/nfs/nfs4state.c
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Diffstat (limited to 'fs/nfs/nfs4state.c')
-rw-r--r--fs/nfs/nfs4state.c40
1 files changed, 35 insertions, 5 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 2bf2eaa08ca7..3df0eb52da1c 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -274,7 +274,7 @@ static int nfs4_drain_slot_tbl(struct nfs4_slot_table *tbl)
static int nfs4_begin_drain_session(struct nfs_client *clp)
{
struct nfs4_session *ses = clp->cl_session;
- int ret = 0;
+ int ret;
if (clp->cl_slot_tbl)
return nfs4_drain_slot_tbl(clp->cl_slot_tbl);
@@ -1525,6 +1525,7 @@ restart:
default:
pr_err("NFS: %s: unhandled error %d\n",
__func__, status);
+ /* Fall through */
case -ENOMEM:
case -NFS4ERR_DENIED:
case -NFS4ERR_RECLAIM_BAD:
@@ -1588,6 +1589,22 @@ restart:
}
clear_bit(NFS_STATE_RECLAIM_NOGRACE,
&state->flags);
+#ifdef CONFIG_NFS_V4_2
+ if (test_bit(NFS_CLNT_DST_SSC_COPY_STATE, &state->flags)) {
+ struct nfs4_copy_state *copy;
+
+ spin_lock(&sp->so_server->nfs_client->cl_lock);
+ list_for_each_entry(copy, &sp->so_server->ss_copies, copies) {
+ if (memcmp(&state->stateid.other, &copy->parent_state->stateid.other, NFS4_STATEID_SIZE))
+ continue;
+ copy->flags = 1;
+ complete(&copy->completion);
+ printk("AGLO: server rebooted waking up the copy\n");
+ break;
+ }
+ spin_unlock(&sp->so_server->nfs_client->cl_lock);
+ }
+#endif /* CONFIG_NFS_V4_2 */
nfs4_put_open_state(state);
spin_lock(&sp->so_lock);
goto restart;
@@ -1597,6 +1614,7 @@ restart:
default:
printk(KERN_ERR "NFS: %s: unhandled error %d\n",
__func__, status);
+ /* Fall through */
case -ENOENT:
case -ENOMEM:
case -EACCES:
@@ -1608,6 +1626,7 @@ restart:
break;
case -EAGAIN:
ssleep(1);
+ /* Fall through */
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_STALE_STATEID:
case -NFS4ERR_OLD_STATEID:
@@ -1939,7 +1958,9 @@ static int nfs4_establish_lease(struct nfs_client *clp)
clp->cl_mvops->reboot_recovery_ops;
int status;
- nfs4_begin_drain_session(clp);
+ status = nfs4_begin_drain_session(clp);
+ if (status != 0)
+ return status;
cred = nfs4_get_clid_cred(clp);
if (cred == NULL)
return -ENOENT;
@@ -2027,7 +2048,9 @@ static int nfs4_try_migration(struct nfs_server *server, struct rpc_cred *cred)
goto out;
}
- nfs4_begin_drain_session(clp);
+ status = nfs4_begin_drain_session(clp);
+ if (status != 0)
+ return status;
status = nfs4_replace_transport(server, locations);
if (status != 0) {
@@ -2190,9 +2213,11 @@ again:
case -ETIMEDOUT:
if (clnt->cl_softrtry)
break;
+ /* Fall through */
case -NFS4ERR_DELAY:
case -EAGAIN:
ssleep(1);
+ /* Fall through */
case -NFS4ERR_STALE_CLIENTID:
dprintk("NFS: %s after status %d, retrying\n",
__func__, status);
@@ -2204,6 +2229,7 @@ again:
}
if (clnt->cl_auth->au_flavor == RPC_AUTH_UNIX)
break;
+ /* Fall through */
case -NFS4ERR_CLID_INUSE:
case -NFS4ERR_WRONGSEC:
/* No point in retrying if we already used RPC_AUTH_UNIX */
@@ -2374,7 +2400,9 @@ static int nfs4_reset_session(struct nfs_client *clp)
if (!nfs4_has_session(clp))
return 0;
- nfs4_begin_drain_session(clp);
+ status = nfs4_begin_drain_session(clp);
+ if (status != 0)
+ return status;
cred = nfs4_get_clid_cred(clp);
status = nfs4_proc_destroy_session(clp->cl_session, cred);
switch (status) {
@@ -2417,7 +2445,9 @@ static int nfs4_bind_conn_to_session(struct nfs_client *clp)
if (!nfs4_has_session(clp))
return 0;
- nfs4_begin_drain_session(clp);
+ ret = nfs4_begin_drain_session(clp);
+ if (ret != 0)
+ return ret;
cred = nfs4_get_clid_cred(clp);
ret = nfs4_proc_bind_conn_to_session(clp, cred);
if (cred)