From 043958395a6b91863046b0cd7cae9c67fa845144 Mon Sep 17 00:00:00 2001 From: Bryan Schumaker Date: Thu, 29 Nov 2012 11:40:38 -0500 Subject: [PATCH] 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 Signed-off-by: J. Bruce Fields --- fs/nfsd/fault_inject.c | 2 ++ fs/nfsd/nfs4state.c | 18 ++---------------- 2 files changed, 4 insertions(+), 16 deletions(-) diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c index 0278112..4b385a1 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; } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index b1aa577..8e19c69 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4611,13 +4611,11 @@ void nfsd_forget_clients(u64 num) int count = 0; struct nfsd_net *nn = net_generic(current->nsproxy->net_ns, nfsd_net_id); - nfs4_lock_state(); list_for_each_entry_safe(clp, next, &nn->client_lru, cl_lru) { expire_client(clp); if (++count == num) break; } - nfs4_unlock_state(); printk(KERN_INFO "NFSD: Forgot %d clients", count); } @@ -4653,25 +4651,15 @@ static int nfsd_release_n_owners(u64 num, bool is_open_owner, void nfsd_forget_locks(u64 num) { - int count; struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id); - - nfs4_lock_state(); - count = nfsd_release_n_owners(num, false, release_lockowner_sop, nn); - nfs4_unlock_state(); - + int count = nfsd_release_n_owners(num, false, release_lockowner_sop, nn); printk(KERN_INFO "NFSD: Forgot %d locks", count); } void nfsd_forget_openowners(u64 num) { - int count; struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id); - - nfs4_lock_state(); - count = nfsd_release_n_owners(num, true, release_openowner_sop, nn); - nfs4_unlock_state(); - + int count = nfsd_release_n_owners(num, true, release_openowner_sop, nn); printk(KERN_INFO "NFSD: Forgot %d open owners", count); } @@ -4704,10 +4692,8 @@ void nfsd_forget_delegations(u64 num) count = nfsd_process_n_delegations(num, &victims); spin_unlock(&recall_lock); - nfs4_lock_state(); list_for_each_entry_safe(dp, dnext, &victims, dl_recall_lru) unhash_delegation(dp); - nfs4_unlock_state(); printk(KERN_INFO "NFSD: Forgot %d delegations", count); } -- 2.7.4