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Diffstat (limited to 'fs/nfs/idmap.c')
-rw-r--r--fs/nfs/idmap.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index 3c63c47c793..2992cb854e1 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -410,7 +410,7 @@ struct idmap_hashtable {
};
struct idmap {
- struct dentry *idmap_dentry;
+ struct rpc_pipe *idmap_pipe;
wait_queue_head_t idmap_wq;
struct idmap_msg idmap_im;
struct mutex idmap_lock; /* Serializes upcalls */
@@ -435,6 +435,7 @@ int
nfs_idmap_new(struct nfs_client *clp)
{
struct idmap *idmap;
+ struct rpc_pipe *pipe;
int error;
BUG_ON(clp->cl_idmap != NULL);
@@ -443,14 +444,23 @@ nfs_idmap_new(struct nfs_client *clp)
if (idmap == NULL)
return -ENOMEM;
- idmap->idmap_dentry = rpc_mkpipe(clp->cl_rpcclient->cl_path.dentry,
- "idmap", idmap, &idmap_upcall_ops, 0);
- if (IS_ERR(idmap->idmap_dentry)) {
- error = PTR_ERR(idmap->idmap_dentry);
+ pipe = rpc_mkpipe_data(&idmap_upcall_ops, 0);
+ if (IS_ERR(pipe)) {
+ error = PTR_ERR(pipe);
kfree(idmap);
return error;
}
+ if (clp->cl_rpcclient->cl_path.dentry)
+ pipe->dentry = rpc_mkpipe_dentry(clp->cl_rpcclient->cl_path.dentry,
+ "idmap", idmap, pipe);
+ if (IS_ERR(pipe->dentry)) {
+ error = PTR_ERR(pipe->dentry);
+ rpc_destroy_pipe_data(pipe);
+ kfree(idmap);
+ return error;
+ }
+ idmap->idmap_pipe = pipe;
mutex_init(&idmap->idmap_lock);
mutex_init(&idmap->idmap_im_lock);
init_waitqueue_head(&idmap->idmap_wq);
@@ -468,7 +478,9 @@ nfs_idmap_delete(struct nfs_client *clp)
if (!idmap)
return;
- rpc_unlink(idmap->idmap_dentry);
+ if (idmap->idmap_pipe->dentry)
+ rpc_unlink(idmap->idmap_pipe->dentry);
+ rpc_destroy_pipe_data(idmap->idmap_pipe);
clp->cl_idmap = NULL;
kfree(idmap);
}
@@ -589,7 +601,7 @@ nfs_idmap_id(struct idmap *idmap, struct idmap_hashtable *h,
msg.len = sizeof(*im);
add_wait_queue(&idmap->idmap_wq, &wq);
- if (rpc_queue_upcall(RPC_I(idmap->idmap_dentry->d_inode)->pipe, &msg) < 0) {
+ if (rpc_queue_upcall(idmap->idmap_pipe, &msg) < 0) {
remove_wait_queue(&idmap->idmap_wq, &wq);
goto out;
}
@@ -650,7 +662,7 @@ nfs_idmap_name(struct idmap *idmap, struct idmap_hashtable *h,
add_wait_queue(&idmap->idmap_wq, &wq);
- if (rpc_queue_upcall(RPC_I(idmap->idmap_dentry->d_inode)->pipe, &msg) < 0) {
+ if (rpc_queue_upcall(idmap->idmap_pipe, &msg) < 0) {
remove_wait_queue(&idmap->idmap_wq, &wq);
goto out;
}