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authorJ. Bruce Fields <bfields@redhat.com>2013-10-30 10:33:09 -0400
committerJ. Bruce Fields <bfields@redhat.com>2013-10-30 10:35:59 -0400
commite50a26dc785f12a6df1f1ac16d62faf0342b72af (patch)
tree72b2520bd8e298cbd789522e370dea5d30a59180 /fs/nfsd
parente1a90ebd8b2349eb00ec22f0b8bf6ab8bbd06cc8 (diff)
downloadlinux-e50a26dc785f12a6df1f1ac16d62faf0342b72af.tar.bz2
nfsd4: nfsd_shutdown_net needs state lock
A comment claims the caller should take it, but that's not being done. Note we don't want it around the cancel_delayed_work_sync since that may wait on work which holds the client lock. Reported-by: Benny Halevy <bhalevy@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 21eb6788cb33..e03e8efff53f 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5124,7 +5124,6 @@ out_recovery:
return ret;
}
-/* should be called with the state lock held */
void
nfs4_state_shutdown_net(struct net *net)
{
@@ -5135,6 +5134,7 @@ nfs4_state_shutdown_net(struct net *net)
cancel_delayed_work_sync(&nn->laundromat_work);
locks_end_grace(&nn->nfsd4_manager);
+ nfs4_lock_state();
INIT_LIST_HEAD(&reaplist);
spin_lock(&recall_lock);
list_for_each_safe(pos, next, &nn->del_recall_lru) {
@@ -5149,6 +5149,7 @@ nfs4_state_shutdown_net(struct net *net)
nfsd4_client_tracking_exit(net);
nfs4_state_destroy_net(net);
+ nfs4_unlock_state();
}
void