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>
23 #define kenter(FMT, a...) printk("==> %s("FMT")\n",__FUNCTION__ , ## a)
24 #define kleave(FMT, a...) printk("<== %s()"FMT"\n",__FUNCTION__ , ## a)
25 #define kdebug(FMT, a...) printk(FMT"\n" , ## a)
26 #define kproto(FMT, a...) printk("### "FMT"\n" , ## a)
27 #define knet(FMT, a...) printk(FMT"\n" , ## a)
30 #define _enter(FMT, a...) kenter(FMT , ## a)
31 #define _leave(FMT, a...) kleave(FMT , ## a)
32 #define _debug(FMT, a...) kdebug(FMT , ## a)
33 #define _proto(FMT, a...) kproto(FMT , ## a)
34 #define _net(FMT, a...) knet(FMT , ## a)
36 #define _enter(FMT, a...) do { } while(0)
37 #define _leave(FMT, a...) do { } while(0)
38 #define _debug(FMT, a...) do { } while(0)
39 #define _proto(FMT, a...) do { } while(0)
40 #define _net(FMT, a...) do { } while(0)
43 static inline void afs_discard_my_signals(void)
45 while (signal_pending(current)) {
48 spin_lock_irq(¤t->sighand->siglock);
49 dequeue_signal(current,¤t->blocked, &sinfo);
50 spin_unlock_irq(¤t->sighand->siglock);
57 extern struct rw_semaphore afs_proc_cells_sem;
58 extern struct list_head afs_proc_cells;
59 #ifdef AFS_CACHING_SUPPORT
60 extern struct cachefs_index_def afs_cache_cell_index_def;
66 extern const struct inode_operations afs_dir_inode_operations;
67 extern const struct file_operations afs_dir_file_operations;
72 extern const struct address_space_operations afs_fs_aops;
73 extern const struct inode_operations afs_file_inode_operations;
75 #ifdef AFS_CACHING_SUPPORT
76 extern int afs_cache_get_page_cookie(struct page *, struct cachefs_page **);
82 extern int afs_iget(struct super_block *, struct afs_fid *, struct inode **);
83 extern int afs_inode_getattr(struct vfsmount *, struct dentry *,
85 extern void afs_clear_inode(struct inode *);
90 #ifdef AFS_CACHING_SUPPORT
91 extern struct cachefs_netfs afs_cache_netfs;
97 extern const struct inode_operations afs_mntpt_inode_operations;
98 extern const struct file_operations afs_mntpt_file_operations;
99 extern struct afs_timer afs_mntpt_expiry_timer;
100 extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
101 extern unsigned long afs_mntpt_expiry_timeout;
103 extern int afs_mntpt_check_symlink(struct afs_vnode *);
108 extern int afs_fs_init(void);
109 extern void afs_fs_exit(void);
111 #define AFS_CB_HASH_COUNT (PAGE_SIZE / sizeof(struct list_head))
113 extern struct list_head afs_cb_hash_tbl[];
114 extern spinlock_t afs_cb_hash_lock;
116 #define afs_cb_hash(SRV, FID) \
117 afs_cb_hash_tbl[((unsigned long)(SRV) + \
118 (FID)->vid + (FID)->vnode + (FID)->unique) & \
119 (AFS_CB_HASH_COUNT - 1)]
124 extern int afs_proc_init(void);
125 extern void afs_proc_cleanup(void);
126 extern int afs_proc_cell_setup(struct afs_cell *);
127 extern void afs_proc_cell_remove(struct afs_cell *);
129 #endif /* AFS_INTERNAL_H */