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a463ddd343
afs actually had a write method that returned different errors depending on whether some flag was set - better return the standard EINVAL errno. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/* internal.h: internal AFS stuff
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*
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* Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef AFS_INTERNAL_H
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#define AFS_INTERNAL_H
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#include <linux/compiler.h>
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#include <linux/kernel.h>
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#include <linux/fs.h>
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#include <linux/pagemap.h>
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/*
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* debug tracing
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*/
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#define kenter(FMT, a...) printk("==> %s("FMT")\n",__FUNCTION__ , ## a)
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#define kleave(FMT, a...) printk("<== %s()"FMT"\n",__FUNCTION__ , ## a)
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#define kdebug(FMT, a...) printk(FMT"\n" , ## a)
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#define kproto(FMT, a...) printk("### "FMT"\n" , ## a)
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#define knet(FMT, a...) printk(FMT"\n" , ## a)
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#ifdef __KDEBUG
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#define _enter(FMT, a...) kenter(FMT , ## a)
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#define _leave(FMT, a...) kleave(FMT , ## a)
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#define _debug(FMT, a...) kdebug(FMT , ## a)
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#define _proto(FMT, a...) kproto(FMT , ## a)
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#define _net(FMT, a...) knet(FMT , ## a)
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#else
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#define _enter(FMT, a...) do { } while(0)
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#define _leave(FMT, a...) do { } while(0)
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#define _debug(FMT, a...) do { } while(0)
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#define _proto(FMT, a...) do { } while(0)
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#define _net(FMT, a...) do { } while(0)
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#endif
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static inline void afs_discard_my_signals(void)
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{
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while (signal_pending(current)) {
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siginfo_t sinfo;
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spin_lock_irq(¤t->sighand->siglock);
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dequeue_signal(current,¤t->blocked, &sinfo);
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spin_unlock_irq(¤t->sighand->siglock);
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}
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}
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/*
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* cell.c
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*/
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extern struct rw_semaphore afs_proc_cells_sem;
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extern struct list_head afs_proc_cells;
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#ifdef AFS_CACHING_SUPPORT
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extern struct cachefs_index_def afs_cache_cell_index_def;
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#endif
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/*
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* dir.c
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*/
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extern struct inode_operations afs_dir_inode_operations;
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extern struct file_operations afs_dir_file_operations;
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/*
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* file.c
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*/
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extern struct address_space_operations afs_fs_aops;
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extern struct inode_operations afs_file_inode_operations;
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#ifdef AFS_CACHING_SUPPORT
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extern int afs_cache_get_page_cookie(struct page *page,
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struct cachefs_page **_page_cookie);
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#endif
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/*
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* inode.c
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*/
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extern int afs_iget(struct super_block *sb, struct afs_fid *fid,
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struct inode **_inode);
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extern int afs_inode_getattr(struct vfsmount *mnt, struct dentry *dentry,
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struct kstat *stat);
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extern void afs_clear_inode(struct inode *inode);
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/*
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* key_afs.c
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*/
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#ifdef CONFIG_KEYS
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extern int afs_key_register(void);
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extern void afs_key_unregister(void);
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#endif
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/*
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* main.c
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*/
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#ifdef AFS_CACHING_SUPPORT
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extern struct cachefs_netfs afs_cache_netfs;
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#endif
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/*
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* mntpt.c
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*/
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extern struct inode_operations afs_mntpt_inode_operations;
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extern struct file_operations afs_mntpt_file_operations;
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extern struct afs_timer afs_mntpt_expiry_timer;
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extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
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extern unsigned long afs_mntpt_expiry_timeout;
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extern int afs_mntpt_check_symlink(struct afs_vnode *vnode);
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/*
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* super.c
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*/
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extern int afs_fs_init(void);
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extern void afs_fs_exit(void);
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#define AFS_CB_HASH_COUNT (PAGE_SIZE / sizeof(struct list_head))
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extern struct list_head afs_cb_hash_tbl[];
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extern spinlock_t afs_cb_hash_lock;
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#define afs_cb_hash(SRV,FID) \
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afs_cb_hash_tbl[((unsigned long)(SRV) + \
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(FID)->vid + (FID)->vnode + (FID)->unique) % \
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AFS_CB_HASH_COUNT]
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/*
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* proc.c
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*/
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extern int afs_proc_init(void);
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extern void afs_proc_cleanup(void);
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extern int afs_proc_cell_setup(struct afs_cell *cell);
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extern void afs_proc_cell_remove(struct afs_cell *cell);
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#endif /* AFS_INTERNAL_H */
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