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authorAndy Adamson <andros@netapp.com>2011-03-01 01:34:10 +0000
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-03-11 15:38:41 -0500
commitd3b4c9d76738df49a7db7682c2518a0ef9f7391d (patch)
tree69ab2ccad799bee8a00ad901b57739be44747fcd /fs/nfs/nfs4renewd.c
parent89d1ea65798953b251e399b17f32d31033889ae0 (diff)
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NFSv4.1: new flag for state renewal check
Data servers not sharing a session with the mount MDS always have an empty cl_superblocks list. Replace the cl_superblocks empty list check to see if it is time to shut down renewd with the NFS_CS_STOP_RENEW bit which is not set by such a data server. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4renewd.c')
-rw-r--r--fs/nfs/nfs4renewd.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c
index 402143d75fc5..df8e7f3ca56d 100644
--- a/fs/nfs/nfs4renewd.c
+++ b/fs/nfs/nfs4renewd.c
@@ -64,12 +64,8 @@ nfs4_renew_state(struct work_struct *work)
ops = clp->cl_mvops->state_renewal_ops;
dprintk("%s: start\n", __func__);
- rcu_read_lock();
- if (list_empty(&clp->cl_superblocks)) {
- rcu_read_unlock();
+ if (test_bit(NFS_CS_STOP_RENEW, &clp->cl_res_state))
goto out;
- }
- rcu_read_unlock();
spin_lock(&clp->cl_lock);
lease = clp->cl_lease_time;
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