forked from luck/tmp_suning_uos_patched
48b192686d
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
|
|
* $Id: blktrans.h,v 1.6 2005/11/07 11:14:54 gleixner Exp $
|
|
*
|
|
* (C) 2003 David Woodhouse <dwmw2@infradead.org>
|
|
*
|
|
* Interface to Linux block layer for MTD 'translation layers'.
|
|
*
|
|
*/
|
|
|
|
#ifndef __MTD_TRANS_H__
|
|
#define __MTD_TRANS_H__
|
|
|
|
#include <linux/mutex.h>
|
|
|
|
struct hd_geometry;
|
|
struct mtd_info;
|
|
struct mtd_blktrans_ops;
|
|
struct file;
|
|
struct inode;
|
|
|
|
struct mtd_blktrans_dev {
|
|
struct mtd_blktrans_ops *tr;
|
|
struct list_head list;
|
|
struct mtd_info *mtd;
|
|
struct mutex lock;
|
|
int devnum;
|
|
int blksize;
|
|
unsigned long size;
|
|
int readonly;
|
|
void *blkcore_priv; /* gendisk in 2.5, devfs_handle in 2.4 */
|
|
};
|
|
|
|
struct blkcore_priv; /* Differs for 2.4 and 2.5 kernels; private */
|
|
|
|
struct mtd_blktrans_ops {
|
|
char *name;
|
|
int major;
|
|
int part_bits;
|
|
|
|
/* Access functions */
|
|
int (*readsect)(struct mtd_blktrans_dev *dev,
|
|
unsigned long block, char *buffer);
|
|
int (*writesect)(struct mtd_blktrans_dev *dev,
|
|
unsigned long block, char *buffer);
|
|
|
|
/* Block layer ioctls */
|
|
int (*getgeo)(struct mtd_blktrans_dev *dev, struct hd_geometry *geo);
|
|
int (*flush)(struct mtd_blktrans_dev *dev);
|
|
|
|
/* Called with mtd_table_mutex held; no race with add/remove */
|
|
int (*open)(struct mtd_blktrans_dev *dev);
|
|
int (*release)(struct mtd_blktrans_dev *dev);
|
|
|
|
/* Called on {de,}registration and on subsequent addition/removal
|
|
of devices, with mtd_table_mutex held. */
|
|
void (*add_mtd)(struct mtd_blktrans_ops *tr, struct mtd_info *mtd);
|
|
void (*remove_dev)(struct mtd_blktrans_dev *dev);
|
|
|
|
struct list_head devs;
|
|
struct list_head list;
|
|
struct module *owner;
|
|
|
|
struct mtd_blkcore_priv *blkcore_priv;
|
|
};
|
|
|
|
extern int register_mtd_blktrans(struct mtd_blktrans_ops *tr);
|
|
extern int deregister_mtd_blktrans(struct mtd_blktrans_ops *tr);
|
|
extern int add_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
|
|
extern int del_mtd_blktrans_dev(struct mtd_blktrans_dev *dev);
|
|
|
|
|
|
#endif /* __MTD_TRANS_H__ */
|