/* md.h : Multiple Devices driver for Linux Copyright (C) 1996-98 Ingo Molnar, Gadi Oxman Copyright (C) 1994-96 Marc ZYNGIER or This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. You should have received a copy of the GNU General Public License (for example /usr/src/linux/COPYING); if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _MD_H #define _MD_H #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * 'md_p.h' holds the 'physical' layout of RAID devices * 'md_u.h' holds the user kernel API * * 'md_k.h' holds kernel internal definitions */ #include #include #include /* * Different major versions are not compatible. * Different minor versions are only downward compatible. * Different patchlevel versions are downward and upward compatible. */ #define MD_MAJOR_VERSION 0 #define MD_MINOR_VERSION 90 #define MD_PATCHLEVEL_VERSION 0 extern int md_size[MAX_MD_DEVS]; extern struct hd_struct md_hd_struct[MAX_MD_DEVS]; extern void add_mddev_mapping (mddev_t *mddev, kdev_t dev, void *data); extern void del_mddev_mapping (mddev_t *mddev, kdev_t dev); extern char * partition_name (kdev_t dev); extern int register_md_personality (int p_num, mdk_personality_t *p); extern int unregister_md_personality (int p_num); extern mdk_thread_t * md_register_thread (void (*run) (void *data), void *data, const char *name); extern void md_unregister_thread (mdk_thread_t *thread); extern void md_wakeup_thread(mdk_thread_t *thread); extern void md_interrupt_thread (mdk_thread_t *thread); extern int md_update_sb (mddev_t *mddev); extern int md_do_sync(mddev_t *mddev, mdp_disk_t *spare); extern void md_done_sync(mddev_t *mddev, int blocks, int ok); extern void md_sync_acct(kdev_t dev, unsigned long nr_sectors); extern void md_recover_arrays (void); extern int md_check_ordering (mddev_t *mddev); extern int md_notify_reboot(struct notifier_block *this, unsigned long code, void *x); extern int md_error (mddev_t *mddev, kdev_t rdev); extern int md_run_setup(void); extern void md_print_devices (void); #define MD_BUG(x...) { printk("md: bug in file %s, line %d\n", __FILE__, __LINE__); md_print_devices(); } #endif
