linux/fs/xfs/xfs_notify_failure.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2022 Fujitsu.  All Rights Reserved.
 */

#include "xfs.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_alloc.h"
#include "xfs_bit.h"
#include "xfs_btree.h"
#include "xfs_inode.h"
#include "xfs_icache.h"
#include "xfs_rmap.h"
#include "xfs_rmap_btree.h"
#include "xfs_rtalloc.h"
#include "xfs_trans.h"
#include "xfs_ag.h"

#include <linux/mm.h>
#include <linux/dax.h>
#include <linux/fs.h>

struct xfs_failure_info { … };

static pgoff_t
xfs_failure_pgoff(
	struct xfs_mount		*mp,
	const struct xfs_rmap_irec	*rec,
	const struct xfs_failure_info	*notify)
{ … }

static unsigned long
xfs_failure_pgcnt(
	struct xfs_mount		*mp,
	const struct xfs_rmap_irec	*rec,
	const struct xfs_failure_info	*notify)
{ … }

static int
xfs_dax_failure_fn(
	struct xfs_btree_cur		*cur,
	const struct xfs_rmap_irec	*rec,
	void				*data)
{ … }

static int
xfs_dax_notify_failure_freeze(
	struct xfs_mount	*mp)
{ … }

static void
xfs_dax_notify_failure_thaw(
	struct xfs_mount	*mp,
	bool			kernel_frozen)
{ … }

static int
xfs_dax_notify_ddev_failure(
	struct xfs_mount	*mp,
	xfs_daddr_t		daddr,
	xfs_daddr_t		bblen,
	int			mf_flags)
{ … }

static int
xfs_dax_notify_failure(
	struct dax_device	*dax_dev,
	u64			offset,
	u64			len,
	int			mf_flags)
{ … }

const struct dax_holder_operations xfs_dax_holder_operations = …;