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authorIngo Molnar <mingo@kernel.org>2015-10-08 10:52:18 +0200
committerIngo Molnar <mingo@kernel.org>2015-10-08 10:52:18 +0200
commitd3df65c198dc2f1deefb73c8427b04d1bdd1b18d (patch)
treef348c249146e2a1bbe2040ebecb0c529f5449b84 /fs/nfs/nfs4state.c
parent712df65ccb63da08a484bf57c40b250dfd4103a7 (diff)
parent00e6fa5fe15c0eccc95a9d1afc4615e467ee8dc9 (diff)
Merge branch 'perf/urgent' into perf/core, before pulling new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/nfs/nfs4state.c')
-rw-r--r--fs/nfs/nfs4state.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 5db324635e92..d854693a15b0 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1725,7 +1725,8 @@ restart:
if (!test_and_clear_bit(ops->owner_flag_bit,
&sp->so_flags))
continue;
- atomic_inc(&sp->so_count);
+ if (!atomic_inc_not_zero(&sp->so_count))
+ continue;
spin_unlock(&clp->cl_lock);
rcu_read_unlock();