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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-06-22 17:16:32 +0000
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-06-22 16:07:42 -0400
commit8d0a8a9d0ec790086c64d210af413ac351d89e35 (patch)
tree003a1481e4a8d8487956a6bf04db80dd93264b8b /fs/nfs/nfs4_fs.h
parentecdbf769b2cb8903e07cd482334c714d89fd1146 (diff)
[PATCH] NFSv4: Clean up nfs4 lock state accounting
Ensure that lock owner structures are not released prematurely. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
-rw-r--r--fs/nfs/nfs4_fs.h9
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 7c6f1d668fb..ec1a22d7b87 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -128,6 +128,7 @@ struct nfs4_state_owner {
struct nfs4_lock_state {
struct list_head ls_locks; /* Other lock stateids */
+ struct nfs4_state * ls_state; /* Pointer to open state */
fl_owner_t ls_owner; /* POSIX lock owner */
#define NFS_LOCK_INITIALIZED 1
int ls_flags;
@@ -153,7 +154,7 @@ struct nfs4_state {
unsigned long flags; /* Do we hold any locks? */
struct semaphore lock_sema; /* Serializes file locking operations */
- rwlock_t state_lock; /* Protects the lock_states list */
+ spinlock_t state_lock; /* Protects the lock_states list */
nfs4_stateid stateid;
@@ -225,12 +226,8 @@ extern void nfs4_close_state(struct nfs4_state *, mode_t);
extern struct nfs4_state *nfs4_find_state(struct inode *, struct rpc_cred *, mode_t mode);
extern void nfs4_increment_seqid(int status, struct nfs4_state_owner *sp);
extern void nfs4_schedule_state_recovery(struct nfs4_client *);
-extern struct nfs4_lock_state *nfs4_find_lock_state(struct nfs4_state *state, fl_owner_t);
-extern struct nfs4_lock_state *nfs4_get_lock_state(struct nfs4_state *state, fl_owner_t);
-extern void nfs4_put_lock_state(struct nfs4_lock_state *state);
+extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl);
extern void nfs4_increment_lock_seqid(int status, struct nfs4_lock_state *ls);
-extern void nfs4_notify_setlk(struct nfs4_state *, struct file_lock *, struct nfs4_lock_state *);
-extern void nfs4_notify_unlck(struct nfs4_state *, struct file_lock *, struct nfs4_lock_state *);
extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t);
extern const nfs4_stateid zero_stateid;