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Diffstat (limited to 'fs/afs/internal.h')
| -rw-r--r-- | fs/afs/internal.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h new file mode 100644 index 000000000000..f09860b45c1a --- /dev/null +++ b/fs/afs/internal.h @@ -0,0 +1,140 @@ +/* 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 */ |