141 lines
3.6 KiB
C
141 lines
3.6 KiB
C
|
/* internal.h: internal AFS stuff
|
||
|
|
*
|
||
|
|
* Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
|
||
|
|
* Written by David Howells (dhowells@redhat.com)
|
||
|
|
*
|
||
|
|
* 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 of the License, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef AFS_INTERNAL_H
|
||
|
|
#define AFS_INTERNAL_H
|
||
|
|
|
||
|
|
#include <linux/compiler.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/fs.h>
|
||
|
|
#include <linux/pagemap.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* debug tracing
|
||
|
|
*/
|
||
|
|
#define kenter(FMT, a...) printk("==> %s("FMT")\n",__FUNCTION__ , ## a)
|
||
|
|
#define kleave(FMT, a...) printk("<== %s()"FMT"\n",__FUNCTION__ , ## a)
|
||
|
|
#define kdebug(FMT, a...) printk(FMT"\n" , ## a)
|
||
|
|
#define kproto(FMT, a...) printk("### "FMT"\n" , ## a)
|
||
|
|
#define knet(FMT, a...) printk(FMT"\n" , ## a)
|
||
|
|
|
||
|
|
#ifdef __KDEBUG
|
||
|
|
#define _enter(FMT, a...) kenter(FMT , ## a)
|
||
|
|
#define _leave(FMT, a...) kleave(FMT , ## a)
|
||
|
|
#define _debug(FMT, a...) kdebug(FMT , ## a)
|
||
|
|
#define _proto(FMT, a...) kproto(FMT , ## a)
|
||
|
|
#define _net(FMT, a...) knet(FMT , ## a)
|
||
|
|
#else
|
||
|
|
#define _enter(FMT, a...) do { } while(0)
|
||
|
|
#define _leave(FMT, a...) do { } while(0)
|
||
|
|
#define _debug(FMT, a...) do { } while(0)
|
||
|
|
#define _proto(FMT, a...) do { } while(0)
|
||
|
|
#define _net(FMT, a...) do { } while(0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline void afs_discard_my_signals(void)
|
||
|
|
{
|
||
|
|
while (signal_pending(current)) {
|
||
|
|
siginfo_t sinfo;
|
||
|
|
|
||
|
|
spin_lock_irq(¤t->sighand->siglock);
|
||
|
|
dequeue_signal(current,¤t->blocked, &sinfo);
|
||
|
|
spin_unlock_irq(¤t->sighand->siglock);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* cell.c
|
||
|
|
*/
|
||
|
|
extern struct rw_semaphore afs_proc_cells_sem;
|
||
|
|
extern struct list_head afs_proc_cells;
|
||
|
|
#ifdef AFS_CACHING_SUPPORT
|
||
|
|
extern struct cachefs_index_def afs_cache_cell_index_def;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* dir.c
|
||
|
|
*/
|
||
|
|
extern struct inode_operations afs_dir_inode_operations;
|
||
|
|
extern struct file_operations afs_dir_file_operations;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* file.c
|
||
|
|
*/
|
||
|
|
extern struct address_space_operations afs_fs_aops;
|
||
|
|
extern struct inode_operations afs_file_inode_operations;
|
||
|
|
extern struct file_operations afs_file_file_operations;
|
||
|
|
|
||
|
|
#ifdef AFS_CACHING_SUPPORT
|
||
|
|
extern int afs_cache_get_page_cookie(struct page *page,
|
||
|
|
struct cachefs_page **_page_cookie);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* inode.c
|
||
|
|
*/
|
||
|
|
extern int afs_iget(struct super_block *sb, struct afs_fid *fid,
|
||
|
|
struct inode **_inode);
|
||
|
|
extern int afs_inode_getattr(struct vfsmount *mnt, struct dentry *dentry,
|
||
|
|
struct kstat *stat);
|
||
|
|
extern void afs_clear_inode(struct inode *inode);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* key_afs.c
|
||
|
|
*/
|
||
|
|
#ifdef CONFIG_KEYS
|
||
|
|
extern int afs_key_register(void);
|
||
|
|
extern void afs_key_unregister(void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* main.c
|
||
|
|
*/
|
||
|
|
#ifdef AFS_CACHING_SUPPORT
|
||
|
|
extern struct cachefs_netfs afs_cache_netfs;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* mntpt.c
|
||
|
|
*/
|
||
|
|
extern struct inode_operations afs_mntpt_inode_operations;
|
||
|
|
extern struct file_operations afs_mntpt_file_operations;
|
||
|
|
extern struct afs_timer afs_mntpt_expiry_timer;
|
||
|
|
extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
|
||
|
|
extern unsigned long afs_mntpt_expiry_timeout;
|
||
|
|
|
||
|
|
extern int afs_mntpt_check_symlink(struct afs_vnode *vnode);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* super.c
|
||
|
|
*/
|
||
|
|
extern int afs_fs_init(void);
|
||
|
|
extern void afs_fs_exit(void);
|
||
|
|
|
||
|
|
#define AFS_CB_HASH_COUNT (PAGE_SIZE / sizeof(struct list_head))
|
||
|
|
|
||
|
|
extern struct list_head afs_cb_hash_tbl[];
|
||
|
|
extern spinlock_t afs_cb_hash_lock;
|
||
|
|
|
||
|
|
#define afs_cb_hash(SRV,FID) \
|
||
|
|
afs_cb_hash_tbl[((unsigned long)(SRV) + \
|
||
|
|
(FID)->vid + (FID)->vnode + (FID)->unique) % \
|
||
|
|
AFS_CB_HASH_COUNT]
|
||
|
|
|
||
|
|
/*
|
||
|
|
* proc.c
|
||
|
|
*/
|
||
|
|
extern int afs_proc_init(void);
|
||
|
|
extern void afs_proc_cleanup(void);
|
||
|
|
extern int afs_proc_cell_setup(struct afs_cell *cell);
|
||
|
|
extern void afs_proc_cell_remove(struct afs_cell *cell);
|
||
|
|
|
||
|
|
#endif /* AFS_INTERNAL_H */
|