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  *   ˆl–Ü4ý( ©³( 	Å€fàB¦-ÿÁƒŸk_†I|¥+ÁÀ     /* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) ST-Ericsson SA 2011
 * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson.
 */
#ifndef __SOC_BUS_H
#define __SOC_BUS_H

#include <linux/device.h>

struct soc_device_attribute {
	const char *machine;
	const char *family;
	const char *revision;
	const char *serial_number;
	const char *soc_id;
	const void *data;
	const struct attribute_group *custom_attr_group;
};

/**
 * soc_device_register - register SoC as a device
 * @soc_plat_dev_attr: Attributes passed from platform to be attributed to a SoC
 */
struct soc_device *soc_device_register(
	struct soc_device_attribute *soc_plat_dev_attr);

/**
 * soc_device_unregister - unregister SoC device
 * @dev: SoC device to be unregistered
 */
void soc_device_unregister(struct soc_device *soc_dev);

/**
 * soc_device_to_device - helper function to fetch struct device
 * @soc: Previously registered SoC device container
 */
struct device *soc_device_to_device(struct soc_device *soc);

#ifdef CONFIG_SOC_BUS
const struct soc_device_attribute *soc_device_match(
	const struct soc_device_attribute *matches);
#else
static inline const struct soc_device_attribute *soc_device_match(
	const struct soc_device_attribute *matches) { return NULL; }
#endif

#endif /* __SOC_BUS_H */
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     	ˆÀÃ„m–@/¿ÂÁ ?÷     	/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * linux/include/linux/jbd2.h
 *
 * Written by Stephen C. Tweedie <sct@redhat.com>
 *
 * Copyright 1998-2000 Red Hat, Inc --- All Rights Reserved
 *
 * Definitions for transaction data structures for the buffer cache
 * filesystem journaling support.
 */

#ifndef _LINUX_JBD2_H
#define _LINUX_JBD2_H

/* Allow this file to be included directly into e2fsprogs */
#ifndef __KERNEL__
#include "jfs_compat.h"
#define JBD2_DEBUG
#else

#include <linux/types.h>
#include <linux/buffer_head.h>
#include <linux/journal-head.h>
#include <linux/stddef.h>
#include <linux/mutex.h>
#include <linux/timer.h>
#include <linux/slab.h>
#include <linux/bit_spinlock.h>
#include <linux/blkdev.h>
#include <crypto/hash.h>
#endif

#define journal_oom_retry 1

/*
 * Define JBD2_PARANIOD_IOFAIL to cause a kernel BUG() if ext4 finds
 * certain classes of error which can occur due to failed IOs.  Under
 * normal use we want ext4 to continue after such errors, because
 * hardware _can_ fail, but for debugging purposes when running tests on
 * known-good hardware we may want to trap these errors.
 */
#undef JBD2_PARANOID_IOFAIL

/*
 * The default maximum commit age, in seconds.
 */
#define JBD2_DEFAULT_MAX_COMMIT_AGE 5

#ifdef CONFIG_JBD2_DEBUG
/*
 * Define JBD2_EXPENSIVE_CHECKING to enable more expensive internal
 * consistency checks.  By default we don't do this unless
 * CONFIG_JBD2_DEBUG is on.
 */
#define JBD2_EXPENSIVE_CHECKING
void __jbd2_debug(int level, const char *file, const char *func,
		  unsigned int line, const char *fmt, ...);

#define jbd2_debug(n, fmt, a...) \
	__jbd2_debug((n), __FILE__, __func__, __LINE__, (fmt), ##a)
#else
#define jbd2_debug(n, fmt, a...)  no_printk(fmt, ##a)
#endif

extern void *jbd2_alloc(size_t size, gfp_t flags);
extern void jbd2_free(void *ptr, size_t size);

#define JBD2_MIN_JOURNAL_BLOCKS 1024
#define JBD2_DEFAULT_FAST_COMMIT_BLOCKS 256

#ifdef __KERNEL__

/**
 * typedef handle_t - The handle_t type represents a single atomic update being performed by some process.
 *
 * All filesystem modifications made by the process go
 * through this handle.  Recursive operations (such as quota operations)
 * are gathered into a single update.
 *
 * The buffer credits field is used to account for journaled buffers
 * being modified by the running process.  To ensure that there is
 * enough log space for all outstanding operations, we need to limit the
 * number of outstanding buffers possible at any time.  When the
 * operation completes, any buffer credits not used are credited back to
 * the transaction, so that at a