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NFS: Ensure that nfs_link() instantiates the dentry correctly

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2005-10-27 22:12:42 -04:00
parent 516a6af641
commit cf80955614
1 changed files with 4 additions and 7 deletions
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11
fs/nfs/dir.c
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@ -1432,17 +1432,14 @@ nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
old_dentry->d_parent->d_name.name, old_dentry->d_name.name,
dentry->d_parent->d_name.name, dentry->d_name.name);
/*
* Drop the dentry in advance to force a new lookup.
* Since nfs_proc_link doesn't return a file handle,
* we can't use the existing dentry.
*/
lock_kernel();
d_drop(dentry);
nfs_begin_data_update(dir);
nfs_begin_data_update(inode);
error = NFS_PROTO(dir)->link(inode, dir, &dentry->d_name);
if (error == 0) {
atomic_inc(&inode->i_count);
d_instantiate(dentry, inode);
}
nfs_end_data_update(inode);
nfs_end_data_update(dir);
unlock_kernel();