diff options
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 5ef4c57618fe..41a5f1a8a984 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -349,14 +349,9 @@ nfs4_alloc_open_state(void) { struct nfs4_state *state; - state = kmalloc(sizeof(*state), GFP_KERNEL); + state = kzalloc(sizeof(*state), GFP_KERNEL); if (!state) return NULL; - state->state = 0; - state->nreaders = 0; - state->nwriters = 0; - state->flags = 0; - memset(state->stateid.data, 0, sizeof(state->stateid.data)); atomic_set(&state->count, 1); INIT_LIST_HEAD(&state->lock_states); spin_lock_init(&state->state_lock); @@ -475,15 +470,23 @@ void nfs4_close_state(struct nfs4_state *state, mode_t mode) /* Protect against nfs4_find_state() */ spin_lock(&owner->so_lock); spin_lock(&inode->i_lock); - if (mode & FMODE_READ) - state->nreaders--; - if (mode & FMODE_WRITE) - state->nwriters--; + switch (mode & (FMODE_READ | FMODE_WRITE)) { + case FMODE_READ: + state->n_rdonly--; + break; + case FMODE_WRITE: + state->n_wronly--; + break; + case FMODE_READ|FMODE_WRITE: + state->n_rdwr--; + } oldstate = newstate = state->state; - if (state->nreaders == 0) - newstate &= ~FMODE_READ; - if (state->nwriters == 0) - newstate &= ~FMODE_WRITE; + if (state->n_rdwr == 0) { + if (state->n_rdonly == 0) + newstate &= ~FMODE_READ; + if (state->n_wronly == 0) + newstate &= ~FMODE_WRITE; + } if (test_bit(NFS_DELEGATED_STATE, &state->flags)) { nfs4_state_set_mode_locked(state, newstate); oldstate = newstate; |