xattr_hurd.c (1358B)
1// SPDX-License-Identifier: GPL-2.0 2/* 3 * linux/fs/ext4/xattr_hurd.c 4 * Handler for extended gnu attributes for the Hurd. 5 * 6 * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org> 7 * Copyright (C) 2020 by Jan (janneke) Nieuwenhuizen, <janneke@gnu.org> 8 */ 9 10#include <linux/init.h> 11#include <linux/string.h> 12#include "ext4.h" 13#include "xattr.h" 14 15static bool 16ext4_xattr_hurd_list(struct dentry *dentry) 17{ 18 return test_opt(dentry->d_sb, XATTR_USER); 19} 20 21static int 22ext4_xattr_hurd_get(const struct xattr_handler *handler, 23 struct dentry *unused, struct inode *inode, 24 const char *name, void *buffer, size_t size) 25{ 26 if (!test_opt(inode->i_sb, XATTR_USER)) 27 return -EOPNOTSUPP; 28 29 return ext4_xattr_get(inode, EXT4_XATTR_INDEX_HURD, 30 name, buffer, size); 31} 32 33static int 34ext4_xattr_hurd_set(const struct xattr_handler *handler, 35 struct user_namespace *mnt_userns, 36 struct dentry *unused, struct inode *inode, 37 const char *name, const void *value, 38 size_t size, int flags) 39{ 40 if (!test_opt(inode->i_sb, XATTR_USER)) 41 return -EOPNOTSUPP; 42 43 return ext4_xattr_set(inode, EXT4_XATTR_INDEX_HURD, 44 name, value, size, flags); 45} 46 47const struct xattr_handler ext4_xattr_hurd_handler = { 48 .prefix = XATTR_HURD_PREFIX, 49 .list = ext4_xattr_hurd_list, 50 .get = ext4_xattr_hurd_get, 51 .set = ext4_xattr_hurd_set, 52};