53 lines · c
1// SPDX-License-Identifier: GPL-2.02/*3 * linux/fs/ext4/xattr_hurd.c4 * 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 bool16ext4_xattr_hurd_list(struct dentry *dentry)17{18 return test_opt(dentry->d_sb, XATTR_USER);19}20 21static int22ext4_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 int34ext4_xattr_hurd_set(const struct xattr_handler *handler,35 struct mnt_idmap *idmap,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};53