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nfs: convert nfs_rename to use async_rename infrastructure

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There isn't much sense in maintaining two separate versions of rename
code. Convert nfs_rename to use the asynchronous rename infrastructure
that nfs_sillyrename uses, and emulate synchronous behavior by having
the task just wait on the reply.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Tested-by: Anna Schumaker <Anna.Schumaker@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Jeff Layton 2014-03-17 07:06:56 -04:00 committed by Trond Myklebust
parent 0e862a4051
commit 80a491fd40
1 changed files with 11 additions and 2 deletions
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13
fs/nfs/dir.c
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@ -1940,6 +1940,7 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
struct dentry *dentry = NULL, *rehash = NULL;
struct rpc_task *task;
int error = -EBUSY;
dfprintk(VFS, "NFS: rename(%pd2 -> %pd2, ct=%d)\n",
@ -1987,8 +1988,16 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
if (new_inode != NULL)
NFS_PROTO(new_inode)->return_delegation(new_inode);
error = NFS_PROTO(old_dir)->rename(old_dir, &old_dentry->d_name,
new_dir, &new_dentry->d_name);
task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, NULL);
if (IS_ERR(task)) {
error = PTR_ERR(task);
goto out;
}
error = rpc_wait_for_completion_task(task);
if (error == 0)
error = task->tk_status;
rpc_put_task(task);
nfs_mark_for_revalidate(old_inode);
out:
if (rehash)