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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-17 22:04:25 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-01-31 19:28:06 -0500
commit7ba127ab9f5f83991df4142d5bc4fc319cd77a54 (patch)
treea627905cdb6a4be7aa3a8b09df258bc524383524
parent9d12b216aa87f68c96f6dd8eb5d2d0ccc9989b1c (diff)
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NFSv4: Move contents of struct rpc_sequence into struct nfs_seqid_counter
Clean up. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/nfs4_fs.h16
-rw-r--r--fs/nfs/nfs4state.c36
2 files changed, 26 insertions, 26 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 0924494e10a2..c4025ae1d071 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -53,21 +53,13 @@ struct nfs4_minor_version_ops {
const struct nfs4_state_maintenance_ops *state_renewal_ops;
};
-/*
- * struct rpc_sequence ensures that RPC calls are sent in the exact
- * order that they appear on the list.
- */
-struct rpc_sequence {
- struct rpc_wait_queue wait; /* RPC call delay queue */
- spinlock_t lock; /* Protects the list */
- struct list_head list; /* Defines sequence of RPC calls */
-};
-
#define NFS_SEQID_CONFIRMED 1
struct nfs_seqid_counter {
- struct rpc_sequence *sequence;
int flags;
u32 counter;
+ spinlock_t lock; /* Protects the list */
+ struct list_head list; /* Defines sequence of RPC calls */
+ struct rpc_wait_queue wait; /* RPC call delay queue */
};
struct nfs_seqid {
@@ -99,7 +91,6 @@ struct nfs4_state_owner {
unsigned long so_flags;
struct list_head so_states;
struct nfs_seqid_counter so_seqid;
- struct rpc_sequence so_sequence;
int so_owner_id;
};
@@ -142,7 +133,6 @@ struct nfs4_lock_state {
int ls_flags;
int ls_id;
struct nfs_seqid_counter ls_seqid;
- struct rpc_sequence ls_sequence;
nfs4_stateid ls_stateid;
atomic_t ls_count;
struct nfs4_lock_owner ls_owner;
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);