linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (c) 2000-2005 Silicon Graphics, Inc.

 * All Rights Reserved.

 */

#include "xfs.h"

#include "xfs_fs.h"

#include "xfs_shared.h"

#include "xfs_format.h"

#include "xfs_log_format.h"

#include "xfs_trans_resv.h"

#include "xfs_mount.h"

#include "xfs_da_format.h"

#include "xfs_da_btree.h"

#include "xfs_inode.h"

#include "xfs_trans.h"

#include "xfs_inode_item.h"

#include "xfs_bmap.h"

#include "xfs_bmap_util.h"

#include "xfs_error.h"

#include "xfs_dir2.h"

#include "xfs_dir2_priv.h"

#include "xfs_ioctl.h"

#include "xfs_trace.h"

#include "xfs_log.h"

#include "xfs_icache.h"

#include "xfs_pnfs.h"

#include "xfs_iomap.h"

#include "xfs_reflink.h"

​

#include <linux/dcache.h>

#include <linux/falloc.h>

#include <linux/pagevec.h>

#include <linux/backing-dev.h>

#include <linux/mman.h>

​

static const struct vm_operations_struct xfs_file_vm_ops;

​

int

xfs_update_prealloc_flags(

    struct xfs_inode    *ip,

    enum xfs_prealloc_flags flags)

{

    struct xfs_trans    *tp;

    int         error;

​

    error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_writeid,

            0, 0, 0, &tp);

    if (error)

        return error;

​

    xfs_ilock(ip, XFS_ILOCK_EXCL);

    xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);

​

    if (!(flags & XFS_PREALLOC_INVISIBLE)) {

        VFS_I(ip)->i_mode &= ~S_ISUID;

        if (VFS_I(ip)->i_mode & S_IXGRP)

            VFS_I(ip)->i_mode &= ~S_ISGID;

        xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);

    }

​

    if (flags & XFS_PREALLOC_SET)

        ip->i_d.di_flags |= XFS_DIFLAG_PREALLOC;