1 files changed, 9 insertions, 37 deletions

diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 3444c0052a87..5275097a7565 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -229,21 +229,23 @@ 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);
         while (!list_empty(&names)) {
                 entry = list_entry(names.next, struct name_list, list);
 
                 dentry = lookup_one_len(entry->name, dir, HEXDIR_LEN-1);
                 if (IS_ERR(dentry)) {
                         status = PTR_ERR(dentry);
-                        goto out;
+                        break;
                 }
                 status = f(dir, dentry);
                 dput(dentry);
                 if (status)
-                        goto out;
+                        break;
                 list_del(&entry->list);
                 kfree(entry);
         }
+        mutex_unlock(&dir->d_inode->i_mutex);
 out:
         while (!list_empty(&names)) {
                 entry = list_entry(names.next, struct name_list, list);
@@ -255,36 +257,6 @@ out:
 }
 
 static int
-nfsd4_remove_clid_file(struct dentry *dir, struct dentry *dentry)
-{
-        int status;
-
-        if (!S_ISREG(dir->d_inode->i_mode)) {
-                printk("nfsd4: non-file found in client recovery directory\n");
-                return -EINVAL;
-        }
-        mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
-        status = vfs_unlink(dir->d_inode, dentry);
-        mutex_unlock(&dir->d_inode->i_mutex);
-        return status;
-}
-
-static int
-nfsd4_clear_clid_dir(struct dentry *dir, struct dentry *dentry)
-{
-        int status;
-
-        /* For now this directory should already be empty, but we empty it of
-         * any regular files anyway, just in case the directory was created by
-         * a kernel from the future.... */
-        nfsd4_list_rec_dir(dentry, nfsd4_remove_clid_file);
-        mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT);
-        status = vfs_rmdir(dir->d_inode, dentry);
-        mutex_unlock(&dir->d_inode->i_mutex);
-        return status;
-}
-
-static int
 nfsd4_unlink_clid_dir(char *name, int namlen)
 {
         struct dentry *dentry;
@@ -294,18 +266,18 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 
         mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
         dentry = lookup_one_len(name, rec_dir.dentry, namlen);
-        mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
         if (IS_ERR(dentry)) {
                 status = PTR_ERR(dentry);
-                return status;
+                goto out_unlock;
         }
         status = -ENOENT;
         if (!dentry->d_inode)
                 goto out;
-
-        status = nfsd4_clear_clid_dir(rec_dir.dentry, dentry);
+        status = vfs_rmdir(rec_dir.dentry->d_inode, dentry);
 out:
         dput(dentry);
+out_unlock:
+        mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
         return status;
 }
 
@@ -348,7 +320,7 @@ purge_old(struct dentry *parent, struct dentry *child)
         if (nfs4_has_reclaimed_state(child->d_name.name, false))
                 return 0;
 
-        status = nfsd4_clear_clid_dir(parent, child);
+        status = vfs_rmdir(parent->d_inode, child);
         if (status)
                 printk("failed to remove client recovery directory %s\n",
                                 child->d_name.name);