aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--fs/nfs/nfs4proc.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6917311f201..d95f7f9e60c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -61,6 +61,8 @@
#define NFS4_POLL_RETRY_MIN (HZ/10)
#define NFS4_POLL_RETRY_MAX (15*HZ)
+#define NFS4_MAX_LOOP_ON_RECOVER (10)
+
struct nfs4_opendata;
static int _nfs4_proc_open(struct nfs4_opendata *data);
static int nfs4_do_fsinfo(struct nfs_server *, struct nfs_fh *, struct nfs_fsinfo *);
@@ -426,17 +428,19 @@ out:
static int nfs4_recover_session(struct nfs4_session *session)
{
struct nfs_client *clp = session->clp;
+ unsigned int loop;
int ret;
- for (;;) {
+ for (loop = NFS4_MAX_LOOP_ON_RECOVER; loop != 0; loop--) {
ret = nfs4_wait_clnt_recover(clp);
if (ret != 0)
- return ret;
+ break;
if (!test_bit(NFS4CLNT_SESSION_SETUP, &clp->cl_state))
break;
nfs4_schedule_state_manager(clp);
+ ret = -EIO;
}
- return 0;
+ return ret;
}
static int nfs41_setup_sequence(struct nfs4_session *session,
@@ -1444,18 +1448,20 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
static int nfs4_recover_expired_lease(struct nfs_server *server)
{
struct nfs_client *clp = server->nfs_client;
+ unsigned int loop;
int ret;
- for (;;) {
+ for (loop = NFS4_MAX_LOOP_ON_RECOVER; loop != 0; loop--) {
ret = nfs4_wait_clnt_recover(clp);
if (ret != 0)
- return ret;
+ break;
if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) &&
!test_bit(NFS4CLNT_CHECK_LEASE,&clp->cl_state))
break;
nfs4_schedule_state_recovery(clp);
+ ret = -EIO;
}
- return 0;
+ return ret;
}
/*