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1// SPDX-License-Identifier: GPL-2.02/*3 * linux/fs/ext2/xattr_user.c4 * Handler for extended user attributes.5 *6 * Copyright (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>7 */8 9#include <linux/init.h>10#include <linux/string.h>11#include "ext2.h"12#include "xattr.h"13 14static bool15ext2_xattr_user_list(struct dentry *dentry)16{17 return test_opt(dentry->d_sb, XATTR_USER);18}19 20static int21ext2_xattr_user_get(const struct xattr_handler *handler,22 struct dentry *unused, struct inode *inode,23 const char *name, void *buffer, size_t size)24{25 if (!test_opt(inode->i_sb, XATTR_USER))26 return -EOPNOTSUPP;27 return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER,28 name, buffer, size);29}30 31static int32ext2_xattr_user_set(const struct xattr_handler *handler,33 struct mnt_idmap *idmap,34 struct dentry *unused, struct inode *inode,35 const char *name, const void *value,36 size_t size, int flags)37{38 if (!test_opt(inode->i_sb, XATTR_USER))39 return -EOPNOTSUPP;40 41 return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER,42 name, value, size, flags);43}44 45const struct xattr_handler ext2_xattr_user_handler = {46 .prefix = XATTR_USER_PREFIX,47 .list = ext2_xattr_user_list,48 .get = ext2_xattr_user_get,49 .set = ext2_xattr_user_set,50};51