NFSD: Lock state before calling fault injection function

Each function touches state in some way, so getting the lock earlier
can help simplify code.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index 02781121c6b0..4b385a14cf96 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -51,7 +51,9 @@ static int nfsd_inject_set(void *op_ptr, u64 val)
         else
                 printk(KERN_INFO "NFSD Fault Injection: %s (n = %llu)", op->file, val);
 
+        nfs4_lock_state();
         op->func(val);
+        nfs4_unlock_state();
         return 0;
 }