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/* 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 */
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