linux/fs/ubifs/ioctl.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * This file is part of UBIFS.
 *
 * Copyright (C) 2006-2008 Nokia Corporation.
 * Copyright (C) 2006, 2007 University of Szeged, Hungary
 *
 * Authors: Zoltan Sogor
 *          Artem Bityutskiy (Битюцкий Артём)
 *          Adrian Hunter
 */

/* This file implements EXT2-compatible extended attribute ioctl() calls */

#include <linux/compat.h>
#include <linux/mount.h>
#include <linux/fileattr.h>
#include "ubifs.h"

/* Need to be kept consistent with checked flags in ioctl2ubifs() */
#define UBIFS_SETTABLE_IOCTL_FLAGS …

/* Need to be kept consistent with checked flags in ubifs2ioctl() */
#define UBIFS_GETTABLE_IOCTL_FLAGS …

/**
 * ubifs_set_inode_flags - set VFS inode flags.
 * @inode: VFS inode to set flags for
 *
 * This function propagates flags from UBIFS inode object to VFS inode object.
 */
void ubifs_set_inode_flags(struct inode *inode)
{ … }

/*
 * ioctl2ubifs - convert ioctl inode flags to UBIFS inode flags.
 * @ioctl_flags: flags to convert
 *
 * This function converts ioctl flags (@FS_COMPR_FL, etc) to UBIFS inode flags
 * (@UBIFS_COMPR_FL, etc).
 */
static int ioctl2ubifs(int ioctl_flags)
{ … }

/*
 * ubifs2ioctl - convert UBIFS inode flags to ioctl inode flags.
 * @ubifs_flags: flags to convert
 *
 * This function converts UBIFS inode flags (@UBIFS_COMPR_FL, etc) to ioctl
 * flags (@FS_COMPR_FL, etc).
 */
static int ubifs2ioctl(int ubifs_flags)
{ … }

static int setflags(struct inode *inode, int flags)
{ … }

int ubifs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
{ … }

int ubifs_fileattr_set(struct mnt_idmap *idmap,
		       struct dentry *dentry, struct fileattr *fa)
{ … }

long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{ … }

#ifdef CONFIG_COMPAT
long ubifs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{ … }
#endif