NFSv4: Move contents of struct rpc_sequence into struct nfs_seqid_counter

Clean up.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 23 insertions, 13 deletions

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 5abf23615bc5..cf7bc39aa0ee 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -384,6 +384,22 @@ nfs4_remove_state_owner_locked(struct nfs4_state_owner *sp)
         ida_remove(&server->openowner_id, sp->so_owner_id);
 }
 
+static void
+nfs4_init_seqid_counter(struct nfs_seqid_counter *sc)
+{
+        sc->flags = 0;
+        sc->counter = 0;
+        spin_lock_init(&sc->lock);
+        INIT_LIST_HEAD(&sc->list);
+        rpc_init_wait_queue(&sc->wait, "Seqid_waitqueue");
+}
+
+static void
+nfs4_destroy_seqid_counter(struct nfs_seqid_counter *sc)
+{
+        rpc_destroy_wait_queue(&sc->wait);
+}
+
 /*
  * nfs4_alloc_state_owner(): this is called on the OPEN or CREATE path to
  * create a new state_owner.
@@ -403,10 +419,7 @@ nfs4_alloc_state_owner(struct nfs_server *server,
         sp->so_cred = get_rpccred(cred);
         spin_lock_init(&sp->so_lock);
         INIT_LIST_HEAD(&sp->so_states);
-        rpc_init_wait_queue(&sp->so_sequence.wait, "Seqid_waitqueue");
-        sp->so_seqid.sequence = &sp->so_sequence;
-        spin_lock_init(&sp->so_sequence.lock);
-        INIT_LIST_HEAD(&sp->so_sequence.list);
+        nfs4_init_seqid_counter(&sp->so_seqid);
         atomic_set(&sp->so_count, 1);
         INIT_LIST_HEAD(&sp->so_lru);
         return sp;
@@ -428,7 +441,7 @@ nfs4_drop_state_owner(struct nfs4_state_owner *sp)
 
 static void nfs4_free_state_owner(struct nfs4_state_owner *sp)
 {
-        rpc_destroy_wait_queue(&sp->so_sequence.wait);
+        nfs4_destroy_seqid_counter(&sp->so_seqid);
         put_rpccred(sp->so_cred);
         kfree(sp);
 }
@@ -748,10 +761,7 @@ static struct nfs4_lock_state *nfs4_alloc_lock_state(struct nfs4_state *state, f
         lsp = kzalloc(sizeof(*lsp), GFP_NOFS);
         if (lsp == NULL)
                 return NULL;
-        rpc_init_wait_queue(&lsp->ls_sequence.wait, "lock_seqid_waitqueue");
-        spin_lock_init(&lsp->ls_sequence.lock);
-        INIT_LIST_HEAD(&lsp->ls_sequence.list);
-        lsp->ls_seqid.sequence = &lsp->ls_sequence;
+        nfs4_init_seqid_counter(&lsp->ls_seqid);
         atomic_set(&lsp->ls_count, 1);
         lsp->ls_state = state;
         lsp->ls_owner.lo_type = type;
@@ -780,7 +790,7 @@ static void nfs4_free_lock_state(struct nfs4_lock_state *lsp)
         struct nfs_server *server = lsp->ls_state->owner->so_server;
 
         ida_simple_remove(&server->lockowner_id, lsp->ls_id);
-        rpc_destroy_wait_queue(&lsp->ls_sequence.wait);
+        nfs4_destroy_seqid_counter(&lsp->ls_seqid);
         kfree(lsp);
 }
 
@@ -914,7 +924,7 @@ struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter, gfp_t gfp_m
 void nfs_release_seqid(struct nfs_seqid *seqid)
 {
         if (!list_empty(&seqid->list)) {
-                struct rpc_sequence *sequence = seqid->sequence->sequence;
+                struct nfs_seqid_counter *sequence = seqid->sequence;
 
                 spin_lock(&sequence->lock);
                 list_del_init(&seqid->list);
@@ -936,7 +946,7 @@ void nfs_free_seqid(struct nfs_seqid *seqid)
  */
 static void nfs_increment_seqid(int status, struct nfs_seqid *seqid)
 {
-        BUG_ON(list_first_entry(&seqid->sequence->sequence->list, struct nfs_seqid, list) != seqid);
+        BUG_ON(list_first_entry(&seqid->sequence->list, struct nfs_seqid, list) != seqid);
         switch (status) {
                 case 0:
                         break;
@@ -987,7 +997,7 @@ void nfs_increment_lock_seqid(int status, struct nfs_seqid *seqid)
 
 int nfs_wait_on_sequence(struct nfs_seqid *seqid, struct rpc_task *task)
 {
-        struct rpc_sequence *sequence = seqid->sequence->sequence;
+        struct nfs_seqid_counter *sequence = seqid->sequence;
         int status = 0;
 
         spin_lock(&sequence->lock);