linux/fs/ext4/xattr_security.c

// SPDX-License-Identifier: GPL-2.0
/*
 * linux/fs/ext4/xattr_security.c
 * Handler for storing security labels as extended attributes.
 */

#include <linux/string.h>
#include <linux/fs.h>
#include <linux/security.h>
#include <linux/slab.h>
#include "ext4_jbd2.h"
#include "ext4.h"
#include "xattr.h"

static int
ext4_xattr_security_get(const struct xattr_handler *handler,
			struct dentry *unused, struct inode *inode,
			const char *name, void *buffer, size_t size)
{ … }

static int
ext4_xattr_security_set(const struct xattr_handler *handler,
			struct mnt_idmap *idmap,
			struct dentry *unused, struct inode *inode,
			const char *name, const void *value,
			size_t size, int flags)
{ … }

static int
ext4_initxattrs(struct inode *inode, const struct xattr *xattr_array,
		void *fs_info)
{ … }

int
ext4_init_security(handle_t *handle, struct inode *inode, struct inode *dir,
		   const struct qstr *qstr)
{ … }

const struct xattr_handler ext4_xattr_security_handler = …;