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NFSv4: Convert the nfs4_lock_state->ls_flags to a bit field

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-09-10 13:26:49 -04:00
parent 2a369153c8
commit 795a88c968
3 changed files with 11 additions and 11 deletions
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4
fs/nfs/nfs4_fs.h
View File

@ -132,8 +132,8 @@ struct nfs4_lock_owner {
struct nfs4_lock_state {
struct list_head ls_locks; /* Other lock stateids */
struct nfs4_state * ls_state; /* Pointer to open state */
#define NFS_LOCK_INITIALIZED 1
int ls_flags;
#define NFS_LOCK_INITIALIZED 0
unsigned long ls_flags;
struct nfs_seqid_counter ls_seqid;
nfs4_stateid ls_stateid;
atomic_t ls_count;

10
fs/nfs/nfs4proc.c
View File

@ -4395,7 +4395,7 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data)
if (nfs_wait_on_sequence(calldata->arg.seqid, task) != 0)
return;
if ((calldata->lsp->ls_flags & NFS_LOCK_INITIALIZED) == 0) {
if (test_bit(NFS_LOCK_INITIALIZED, &calldata->lsp->ls_flags) == 0) {
/* Note: exit _without_ running nfs4_locku_done */
task->tk_action = NULL;
return;
@ -4589,7 +4589,7 @@ static void nfs4_lock_done(struct rpc_task *task, void *calldata)
}
if (data->rpc_status == 0) {
nfs4_stateid_copy(&data->lsp->ls_stateid, &data->res.stateid);
data->lsp->ls_flags |= NFS_LOCK_INITIALIZED;
set_bit(NFS_LOCK_INITIALIZED, &data->lsp->ls_flags);
renew_lease(NFS_SERVER(data->ctx->dentry->d_inode), data->timestamp);
}
out:
@ -4636,7 +4636,7 @@ static void nfs4_handle_setlk_error(struct nfs_server *server, struct nfs4_lock_
case -NFS4ERR_BAD_STATEID:
lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
if (new_lock_owner != 0 ||
(lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0)
test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) != 0)
nfs4_schedule_stateid_recovery(server, lsp->ls_state);
break;
case -NFS4ERR_STALE_STATEID:
@ -4760,7 +4760,7 @@ static int nfs41_check_expired_locks(struct nfs4_state *state)
struct nfs_server *server = NFS_SERVER(state->inode);
list_for_each_entry(lsp, &state->lock_states, ls_locks) {
if (lsp->ls_flags & NFS_LOCK_INITIALIZED) {
if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) {
status = nfs41_test_stateid(server, &lsp->ls_stateid);
if (status != NFS_OK) {
/* Free the stateid unless the server
@ -4768,7 +4768,7 @@ static int nfs41_check_expired_locks(struct nfs4_state *state)
if (status != -NFS4ERR_BAD_STATEID)
nfs41_free_stateid(server,
&lsp->ls_stateid);
lsp->ls_flags &= ~NFS_LOCK_INITIALIZED;
clear_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags);
ret = status;
}
}

8
fs/nfs/nfs4state.c
View File

@ -865,7 +865,7 @@ void nfs4_put_lock_state(struct nfs4_lock_state *lsp)
if (list_empty(&state->lock_states))
clear_bit(LK_STATE_IN_USE, &state->flags);
spin_unlock(&state->state_lock);
if (lsp->ls_flags & NFS_LOCK_INITIALIZED) {
if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags)) {
if (nfs4_release_lockowner(lsp) == 0)
return;
}
@ -929,7 +929,7 @@ static bool nfs4_copy_lock_stateid(nfs4_stateid *dst, struct nfs4_state *state,
fl_pid = lockowner->l_pid;
spin_lock(&state->state_lock);
lsp = __nfs4_find_lock_state(state, fl_owner, fl_pid, NFS4_ANY_LOCK_TYPE);
if (lsp != NULL && (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0) {
if (lsp != NULL && test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) != 0) {
nfs4_stateid_copy(dst, &lsp->ls_stateid);
ret = true;
}
@ -1297,7 +1297,7 @@ restart:
if (status >= 0) {
spin_lock(&state->state_lock);
list_for_each_entry(lock, &state->lock_states, ls_locks) {
if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
if (!test_bit(NFS_LOCK_INITIALIZED, &lock->ls_flags))
pr_warn_ratelimited("NFS: "
"%s: Lock reclaim "
"failed!\n", __func__);
@ -1369,7 +1369,7 @@ static void nfs4_clear_open_state(struct nfs4_state *state)
spin_lock(&state->state_lock);
list_for_each_entry(lock, &state->lock_states, ls_locks) {
lock->ls_seqid.flags = 0;
lock->ls_flags &= ~NFS_LOCK_INITIALIZED;
clear_bit(NFS_LOCK_INITIALIZED, &lock->ls_flags);
}
spin_unlock(&state->state_lock);
}