1 /* internal.h: internal AFS stuff
3 * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #ifndef AFS_INTERNAL_H
13 #define AFS_INTERNAL_H
15 #include <linux/compiler.h>
16 #include <linux/kernel.h>
18 #include <linux/pagemap.h>
19 #include <linux/fscache.h>
24 #define __kdbg(FMT, a...) printk("[%05d] "FMT"\n", current->pid , ## a)
25 #define kenter(FMT, a...) __kdbg("==> %s("FMT")", __FUNCTION__ , ## a)
26 #define kleave(FMT, a...) __kdbg("<== %s()"FMT, __FUNCTION__ , ## a)
27 #define kdebug(FMT, a...) __kdbg(FMT , ## a)
28 #define kproto(FMT, a...) __kdbg("### "FMT , ## a)
29 #define knet(FMT, a...) __kdbg(FMT , ## a)
32 #define _enter(FMT, a...) kenter(FMT , ## a)
33 #define _leave(FMT, a...) kleave(FMT , ## a)
34 #define _debug(FMT, a...) kdebug(FMT , ## a)
35 #define _proto(FMT, a...) kproto(FMT , ## a)
36 #define _net(FMT, a...) knet(FMT , ## a)
38 #define _enter(FMT, a...) do { } while(0)
39 #define _leave(FMT, a...) do { } while(0)
40 #define _debug(FMT, a...) do { } while(0)
41 #define _proto(FMT, a...) do { } while(0)
42 #define _net(FMT, a...) do { } while(0)
45 static inline void afs_discard_my_signals(void)
47 while (signal_pending(current)) {
50 spin_lock_irq(¤t->sighand->siglock);
51 dequeue_signal(current,¤t->blocked, &sinfo);
52 spin_unlock_irq(¤t->sighand->siglock);
59 extern struct rw_semaphore afs_proc_cells_sem;
60 extern struct list_head afs_proc_cells;
65 extern struct inode_operations afs_dir_inode_operations;
66 extern const struct file_operations afs_dir_file_operations;
71 extern const struct address_space_operations afs_fs_aops;
72 extern struct inode_operations afs_file_inode_operations;
73 extern const struct file_operations afs_file_file_operations;
78 extern int afs_iget(struct super_block *sb, struct afs_fid *fid,
79 struct inode **_inode);
80 extern int afs_inode_getattr(struct vfsmount *mnt, struct dentry *dentry,
82 extern void afs_clear_inode(struct inode *inode);
88 extern int afs_key_register(void);
89 extern void afs_key_unregister(void);
95 #ifdef CONFIG_AFS_FSCACHE
96 extern struct fscache_netfs afs_cache_netfs;
102 extern struct inode_operations afs_mntpt_inode_operations;
103 extern const struct file_operations afs_mntpt_file_operations;
104 extern struct afs_timer afs_mntpt_expiry_timer;
105 extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
106 extern unsigned long afs_mntpt_expiry_timeout;
108 extern int afs_mntpt_check_symlink(struct afs_vnode *vnode);
113 extern int afs_fs_init(void);
114 extern void afs_fs_exit(void);
116 #define AFS_CB_HASH_COUNT (PAGE_SIZE / sizeof(struct list_head))
118 extern struct list_head afs_cb_hash_tbl[];
119 extern spinlock_t afs_cb_hash_lock;
121 #define afs_cb_hash(SRV,FID) \
122 afs_cb_hash_tbl[((unsigned long)(SRV) + \
123 (FID)->vid + (FID)->vnode + (FID)->unique) % \
129 extern int afs_proc_init(void);
130 extern void afs_proc_cleanup(void);
131 extern int afs_proc_cell_setup(struct afs_cell *cell);
132 extern void afs_proc_cell_remove(struct afs_cell *cell);
134 #endif /* AFS_INTERNAL_H */