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| author | Bryan Schumaker <bjschuma@netapp.com> | 2012-11-29 11:40:38 -0500 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-12-03 09:58:54 -0500 |
| commit | 043958395a6b91863046b0cd7cae9c67fa845144 (patch) | |
| tree | 192d24b14d09394b92ffb7298b2df60695097126 /fs/nfsd | |
| parent | e5f9570319771bb0a5afc792b34fbd5564b935c8 (diff) | |
| download | linux-stable-043958395a6b91863046b0cd7cae9c67fa845144.tar.gz linux-stable-043958395a6b91863046b0cd7cae9c67fa845144.tar.bz2 linux-stable-043958395a6b91863046b0cd7cae9c67fa845144.zip | |
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>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/fault_inject.c | 2 | ||||
| -rw-r--r-- | 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 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; } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index b1aa577dd869..8e19c692649c 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); } |