ia64/linux-2.6.18-xen.hg

view fs/afs/internal.h @ 524:7f8b544237bf

netfront: Allow netfront in domain 0.

This is useful if your physical network device is in a utility domain.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Tue Apr 15 15:18:58 2008 +0100 (2008-04-15)
parents 831230e53067
children
line source
1 /* internal.h: internal AFS stuff
2 *
3 * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
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.
10 */
12 #ifndef AFS_INTERNAL_H
13 #define AFS_INTERNAL_H
15 #include <linux/compiler.h>
16 #include <linux/kernel.h>
17 #include <linux/fs.h>
18 #include <linux/pagemap.h>
20 /*
21 * debug tracing
22 */
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)
29 #ifdef __KDEBUG
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)
35 #else
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)
41 #endif
43 static inline void afs_discard_my_signals(void)
44 {
45 while (signal_pending(current)) {
46 siginfo_t sinfo;
48 spin_lock_irq(&current->sighand->siglock);
49 dequeue_signal(current,&current->blocked, &sinfo);
50 spin_unlock_irq(&current->sighand->siglock);
51 }
52 }
54 /*
55 * cell.c
56 */
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;
61 #endif
63 /*
64 * dir.c
65 */
66 extern struct inode_operations afs_dir_inode_operations;
67 extern const struct file_operations afs_dir_file_operations;
69 /*
70 * file.c
71 */
72 extern const struct address_space_operations afs_fs_aops;
73 extern struct inode_operations afs_file_inode_operations;
75 #ifdef AFS_CACHING_SUPPORT
76 extern int afs_cache_get_page_cookie(struct page *page,
77 struct cachefs_page **_page_cookie);
78 #endif
80 /*
81 * inode.c
82 */
83 extern int afs_iget(struct super_block *sb, struct afs_fid *fid,
84 struct inode **_inode);
85 extern int afs_inode_getattr(struct vfsmount *mnt, struct dentry *dentry,
86 struct kstat *stat);
87 extern void afs_clear_inode(struct inode *inode);
89 /*
90 * key_afs.c
91 */
92 #ifdef CONFIG_KEYS
93 extern int afs_key_register(void);
94 extern void afs_key_unregister(void);
95 #endif
97 /*
98 * main.c
99 */
100 #ifdef AFS_CACHING_SUPPORT
101 extern struct cachefs_netfs afs_cache_netfs;
102 #endif
104 /*
105 * mntpt.c
106 */
107 extern struct inode_operations afs_mntpt_inode_operations;
108 extern const struct file_operations afs_mntpt_file_operations;
109 extern struct afs_timer afs_mntpt_expiry_timer;
110 extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
111 extern unsigned long afs_mntpt_expiry_timeout;
113 extern int afs_mntpt_check_symlink(struct afs_vnode *vnode);
115 /*
116 * super.c
117 */
118 extern int afs_fs_init(void);
119 extern void afs_fs_exit(void);
121 #define AFS_CB_HASH_COUNT (PAGE_SIZE / sizeof(struct list_head))
123 extern struct list_head afs_cb_hash_tbl[];
124 extern spinlock_t afs_cb_hash_lock;
126 #define afs_cb_hash(SRV,FID) \
127 afs_cb_hash_tbl[((unsigned long)(SRV) + \
128 (FID)->vid + (FID)->vnode + (FID)->unique) % \
129 AFS_CB_HASH_COUNT]
131 /*
132 * proc.c
133 */
134 extern int afs_proc_init(void);
135 extern void afs_proc_cleanup(void);
136 extern int afs_proc_cell_setup(struct afs_cell *cell);
137 extern void afs_proc_cell_remove(struct afs_cell *cell);
139 #endif /* AFS_INTERNAL_H */