xattr_user.c
// SPDX-License-Identifier: GPL-2.0
#include "reiserfs.h"
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include "xattr.h"
#include <linux/uaccess.h>
static int
user_get(const struct xattr_handler *handler, struct dentry *unused,
struct inode *inode, const char *name, void *buffer, size_t size)
{
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
return reiserfs_xattr_get(inode, xattr_full_name(handler, name),
buffer, size);
}
static int
user_set(const struct xattr_handler *handler, struct user_namespace *mnt_userns,
struct dentry *unused,
struct inode *inode, const char *name, const void *buffer,
size_t size, int flags)
{
if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
return reiserfs_xattr_set(inode,
xattr_full_name(handler, name),
buffer, size, flags);
}
static bool user_list(struct dentry *dentry)
{
return reiserfs_xattrs_user(dentry->d_sb);
}
const struct xattr_handler reiserfs_xattr_user_handler = {
.prefix = XATTR_USER_PREFIX,
.get = user_get,
.set = user_set,
.list = user_list,
};