Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/uio-2.6

[powerpc.git] / fs / nfsd / nfs4state.c

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4624988..6284807 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -195,6 +195,8 @@ alloc_init_deleg(struct nfs4_client *clp, struct nfs4_stateid *stp, struct svc_f
        struct nfs4_callback *cb = &stp->st_stateowner->so_client->cl_callback;
 
        dprintk("NFSD alloc_init_deleg\n");
+       if (fp->fi_had_conflict)
+               return NULL;
        if (num_delegations > max_delegations)
                return NULL;
        dp = kmem_cache_alloc(deleg_slab, GFP_KERNEL);
@@ -254,7 +256,7 @@ nfs4_close_delegation(struct nfs4_delegation *dp)
        /* The following nfsd_close may not actually close the file,
         * but we want to remove the lease in any case. */
        if (dp->dl_flock)
-               setlease(filp, F_UNLCK, &dp->dl_flock);
+               vfs_setlease(filp, F_UNLCK, &dp->dl_flock);
        nfsd_close(filp);
 }
 
@@ -1002,6 +1004,7 @@ alloc_init_file(struct inode *ino)
                list_add(&fp->fi_hash, &file_hashtbl[hashval]);
                fp->fi_inode = igrab(ino);
                fp->fi_id = current_fileid++;
+               fp->fi_had_conflict = false;
                return fp;
        }
        return NULL;
@@ -1328,6 +1331,7 @@ do_recall(void *__dp)
 {
        struct nfs4_delegation *dp = __dp;
 
+       dp->dl_file->fi_had_conflict = true;
        nfsd4_cb_recall(dp);
        return 0;
 }
@@ -1398,7 +1402,7 @@ void nfsd_release_deleg_cb(struct file_lock *fl)
 /*
  * Set the delegation file_lock back pointer.
  *
- * Called from __setlease() with lock_kernel() held.
+ * Called from setlease() with lock_kernel() held.
  */
 static
 void nfsd_copy_lock_deleg_cb(struct file_lock *new, struct file_lock *fl)
@@ -1412,7 +1416,7 @@ void nfsd_copy_lock_deleg_cb(struct file_lock *new, struct file_lock *fl)
 }
 
 /*
- * Called from __setlease() with lock_kernel() held
+ * Called from setlease() with lock_kernel() held
  */
 static
 int nfsd_same_client_deleg_cb(struct file_lock *onlist, struct file_lock *try)
@@ -1712,10 +1716,10 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
        fl.fl_file = stp->st_vfs_file;
        fl.fl_pid = current->tgid;
 
-       /* setlease checks to see if delegation should be handed out.
+       /* vfs_setlease checks to see if delegation should be handed out.
         * the lock_manager callbacks fl_mylease and fl_change are used
         */
-       if ((status = setlease(stp->st_vfs_file,
+       if ((status = vfs_setlease(stp->st_vfs_file,
                flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK, &flp))) {
                dprintk("NFSD: setlease failed [%d], no delegation\n", status);
                unhash_delegation(dp);