nfsd: silence lockdep warning

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 5275097a75651db2303f777c0213cae4a04fcb7e..b5348405046b5e2831cdcc9cd32a7f0c3d2e6f8f 100644 (file)
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -229,7 +229,7 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f)
                goto out;
        status = vfs_readdir(filp, nfsd4_build_namelist, &names);
        fput(filp);
-       mutex_lock(&dir->d_inode->i_mutex);
+       mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
        while (!list_empty(&names)) {
                entry = list_entry(names.next, struct name_list, list);
 
@@ -264,7 +264,7 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 
        dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
 
-       mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+       mutex_lock_nested(&rec_dir.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
        dentry = lookup_one_len(name, rec_dir.dentry, namlen);
        if (IS_ERR(dentry)) {
                status = PTR_ERR(dentry);